/wp-admin/wp-admin/includes/template.php

<?php

/**

 * Template WordPress Administration API.

 *

 * A Big Mess. Also some neat functions that are nicely written.

 *

 * @package WordPress

 * @subpackage Administration

 */





//

// Category Checklists

//



/**

 * {@internal Missing Short Description}}

 *

 * @since 2.5.1

 */

class Walker_Category_Checklist extends Walker {

	var $tree_type = 'category';

	var $db_fields = array ('parent' => 'parent', 'id' => 'term_id'); //TODO: decouple this



	function start_lvl(&$output, $depth, $args) {

		$indent = str_repeat("\t", $depth);

		$output .= "$indent<ul class='children'>\n";

	}



	function end_lvl(&$output, $depth, $args) {

		$indent = str_repeat("\t", $depth);

		$output .= "$indent</ul>\n";

	}



	function start_el(&$output, $category, $depth, $args) {

		extract($args);

		if ( empty($taxonomy) )

			$taxonomy = 'category';



		if ( $taxonomy == 'category' )

			$name = 'post_category';

		else

			$name = 'tax_input['.$taxonomy.']';



		$class = in_array( $category->term_id, $popular_cats ) ? ' class="popular-category"' : '';

		$output .= "\n<li id='{$taxonomy}-{$category->term_id}'$class>" . '<label class="selectit"><input value="' . $category->term_id . '" type="checkbox" name="'.$name.'[]" id="in-'.$taxonomy.'-' . $category->term_id . '"' . checked( in_array( $category->term_id, $selected_cats ), true, false ) . disabled( empty( $args['disabled'] ), false, false ) . ' /> ' . esc_html( apply_filters('the_category', $category->name )) . '</label>';

	}



	function end_el(&$output, $category, $depth, $args) {

		$output .= "</li>\n";

	}

}



/**

 * {@internal Missing Short Description}}

 *

 * @since 2.5.1

 *

 * @param unknown_type $post_id

 * @param unknown_type $descendants_and_self

 * @param unknown_type $selected_cats

 * @param unknown_type $popular_cats

 */

function wp_category_checklist( $post_id = 0, $descendants_and_self = 0, $selected_cats = false, $popular_cats = false, $walker = null, $checked_ontop = true ) {

	wp_terms_checklist($post_id,

	 	array(

			'taxonomy' => 'category',

			'descendants_and_self' => $descendants_and_self,

			'selected_cats' => $selected_cats,

			'popular_cats' => $popular_cats,

			'walker' => $walker,

			'checked_ontop' => $checked_ontop

  ));

}



/**

 * Taxonomy independent version of wp_category_checklist

 *

 * @since 3.0.0

 *

 * @param int $post_id

 * @param array $args

 */

function wp_terms_checklist($post_id = 0, $args = array()) {

 	$defaults = array(

		'descendants_and_self' => 0,

		'selected_cats' => false,

		'popular_cats' => false,

		'walker' => null,

		'taxonomy' => 'category',

		'checked_ontop' => true

	);

	extract( wp_parse_args($args, $defaults), EXTR_SKIP );



	if ( empty($walker) || !is_a($walker, 'Walker') )

		$walker = new Walker_Category_Checklist;



	$descendants_and_self = (int) $descendants_and_self;



	$args = array('taxonomy' => $taxonomy);



	$tax = get_taxonomy($taxonomy);

	$args['disabled'] = !current_user_can($tax->cap->assign_terms);



	if ( is_array( $selected_cats ) )

		$args['selected_cats'] = $selected_cats;

	elseif ( $post_id )

		$args['selected_cats'] = wp_get_object_terms($post_id, $taxonomy, array_merge($args, array('fields' => 'ids')));

	else

		$args['selected_cats'] = array();



	if ( is_array( $popular_cats ) )

		$args['popular_cats'] = $popular_cats;

	else

		$args['popular_cats'] = get_terms( $taxonomy, array( 'fields' => 'ids', 'orderby' => 'count', 'order' => 'DESC', 'number' => 10, 'hierarchical' => false ) );



	if ( $descendants_and_self ) {

		$categories = (array) get_terms($taxonomy, array( 'child_of' => $descendants_and_self, 'hierarchical' => 0, 'hide_empty' => 0 ) );

		$self = get_term( $descendants_and_self, $taxonomy );

		array_unshift( $categories, $self );

	} else {

		$categories = (array) get_terms($taxonomy, array('get' => 'all'));

	}



	if ( $checked_ontop ) {

		// Post process $categories rather than adding an exclude to the get_terms() query to keep the query the same across all posts (for any query cache)

		$checked_categories = array();

		$keys = array_keys( $categories );



		foreach( $keys as $k ) {

			if ( in_array( $categories[$k]->term_id, $args['selected_cats'] ) ) {

				$checked_categories[] = $categories[$k];

				unset( $categories[$k] );

			}

		}



		// Put checked cats on top

		echo call_user_func_array(array(&$walker, 'walk'), array($checked_categories, 0, $args));

	}

	// Then the rest of them

	echo call_user_func_array(array(&$walker, 'walk'), array($categories, 0, $args));

}



/**

 * {@internal Missing Short Description}}

 *

 * @since 2.5.0

 *

 * @param unknown_type $taxonomy

 * @param unknown_type $default

 * @param unknown_type $number

 * @param unknown_type $echo

 * @return unknown

 */

function wp_popular_terms_checklist( $taxonomy, $default = 0, $number = 10, $echo = true ) {

	global $post_ID;



	if ( $post_ID )

		$checked_terms = wp_get_object_terms($post_ID, $taxonomy, array('fields'=>'ids'));

	else

		$checked_terms = array();



	$terms = get_terms( $taxonomy, array( 'orderby' => 'count', 'order' => 'DESC', 'number' => $number, 'hierarchical' => false ) );



	$tax = get_taxonomy($taxonomy);

	if ( ! current_user_can($tax->cap->assign_terms) )

		$disabled = 'disabled="disabled"';

	else

		$disabled = '';



	$popular_ids = array();

	foreach ( (array) $terms as $term ) {

		$popular_ids[] = $term->term_id;

		if ( !$echo ) // hack for AJAX use

			continue;

		$id = "popular-$taxonomy-$term->term_id";

		$checked = in_array( $term->term_id, $checked_terms ) ? 'checked="checked"' : '';

		?>



		<li id="<?php echo $id; ?>" class="popular-category">

			<label class="selectit">

			<input id="in-<?php echo $id; ?>" type="checkbox" <?php echo $checked; ?> value="<?php echo (int) $term->term_id; ?>" <?php echo $disabled ?>/>

				<?php echo esc_html( apply_filters( 'the_category', $term->name ) ); ?>

			</label>

		</li>



		<?php

	}

	return $popular_ids;

}



/**

 * {@internal Missing Short Description}}

 *

 * @since 2.5.1

 *

 * @param unknown_type $link_id

 */

function wp_link_category_checklist( $link_id = 0 ) {

	$default = 1;



	if ( $link_id ) {

		$checked_categories = wp_get_link_cats( $link_id );

		// No selected categories, strange

		if ( ! count( $checked_categories ) )

			$checked_categories[] = $default;

	} else {

		$checked_categories[] = $default;

	}



	$categories = get_terms( 'link_category', array( 'orderby' => 'name', 'hide_empty' => 0 ) );



	if ( empty( $categories ) )

		return;



	foreach ( $categories as $category ) {

		$cat_id = $category->term_id;

		$name = esc_html( apply_filters( 'the_category', $category->name ) );

		$checked = in_array( $cat_id, $checked_categories ) ? ' checked="checked"' : '';

		echo '<li id="link-category-', $cat_id, '"><label for="in-link-category-', $cat_id, '" class="selectit"><input value="', $cat_id, '" type="checkbox" name="link_category[]" id="in-link-category-', $cat_id, '"', $checked, '/> ', $name, "</label></li>";

	}

}



/**

 * Get the column headers for a screen

 *

 * @since 2.7.0

 *

 * @param string|object $screen The screen you want the headers for

 * @return array Containing the headers in the format id => UI String

 */

function get_column_headers( $screen ) {

	if ( is_string( $screen ) )

		$screen = convert_to_screen( $screen );



	global $_wp_column_headers;



	if ( !isset( $_wp_column_headers[ $screen->id ] ) ) {

		$_wp_column_headers[ $screen->id ] = apply_filters( 'manage_' . $screen->id . '_columns', array() );

	}



	return $_wp_column_headers[ $screen->id ];

}



/**

 * Get a list of hidden columns.

 *

 * @since 2.7.0

 *

 * @param string|object $screen The screen you want the hidden columns for

 * @return array

 */

function get_hidden_columns( $screen ) {

	if ( is_string( $screen ) )

		$screen = convert_to_screen( $screen );



	return (array) get_user_option( 'manage' . $screen->id . 'columnshidden' );

}



// adds hidden fields with the data for use in the inline editor for posts and pages

/**

 * {@internal Missing Short Description}}

 *

 * @since 2.7.0

 *

 * @param unknown_type $post

 */

function get_inline_data($post) {

	$post_type_object = get_post_type_object($post->post_type);

	if ( ! current_user_can($post_type_object->cap->edit_post, $post->ID) )

		return;



	$title = esc_textarea( trim( $post->post_title ) );



	echo '

<div class="hidden" id="inline_' . $post->ID . '">

	<div class="post_title">' . $title . '</div>

	<div class="post_name">' . apply_filters('editable_slug', $post->post_name) . '</div>

	<div class="post_author">' . $post->post_author . '</div>

	<div class="comment_status">' . esc_html( $post->comment_status ) . '</div>

	<div class="ping_status">' . esc_html( $post->ping_status ) . '</div>

	<div class="_status">' . esc_html( $post->post_status ) . '</div>

	<div class="jj">' . mysql2date( 'd', $post->post_date, false ) . '</div>

	<div class="mm">' . mysql2date( 'm', $post->post_date, false ) . '</div>

	<div class="aa">' . mysql2date( 'Y', $post->post_date, false ) . '</div>

	<div class="hh">' . mysql2date( 'H', $post->post_date, false ) . '</div>

	<div class="mn">' . mysql2date( 'i', $post->post_date, false ) . '</div>

	<div class="ss">' . mysql2date( 's', $post->post_date, false ) . '</div>

	<div class="post_password">' . esc_html( $post->post_password ) . '</div>';



	if ( $post_type_object->hierarchical )

		echo '<div class="post_parent">' . $post->post_parent . '</div>';



	if ( $post->post_type == 'page' )

		echo '<div class="page_template">' . esc_html( get_post_meta( $post->ID, '_wp_page_template', true ) ) . '</div>';



	if ( $post_type_object->hierarchical )

		echo '<div class="menu_order">' . $post->menu_order . '</div>';



	$taxonomy_names = get_object_taxonomies( $post->post_type );

	foreach ( $taxonomy_names as $taxonomy_name) {

		$taxonomy = get_taxonomy( $taxonomy_name );



		if ( $taxonomy->hierarchical && $taxonomy->show_ui )

				echo '<div class="post_category" id="'.$taxonomy_name.'_'.$post->ID.'">' . implode( ',', wp_get_object_terms( $post->ID, $taxonomy_name, array('fields'=>'ids')) ) . '</div>';

		elseif ( $taxonomy->show_ui )

			echo '<div class="tags_input" id="'.$taxonomy_name.'_'.$post->ID.'">' . esc_html( str_replace( ',', ', ', get_terms_to_edit($post->ID, $taxonomy_name) ) ) . '</div>';

	}



	if ( !$post_type_object->hierarchical )

		echo '<div class="sticky">' . (is_sticky($post->ID) ? 'sticky' : '') . '</div>';



	echo '</div>';

}



/**

 * {@internal Missing Short Description}}

 *

 * @since 2.7.0

 *

 * @param unknown_type $position

 * @param unknown_type $checkbox

 * @param unknown_type $mode

 */

function wp_comment_reply($position = '1', $checkbox = false, $mode = 'single', $table_row = true) {

	// allow plugin to replace the popup content

	$content = apply_filters( 'wp_comment_reply', '', array('position' => $position, 'checkbox' => $checkbox, 'mode' => $mode) );



	if ( ! empty($content) ) {

		echo $content;

		return;

	}



	if ( $mode == 'single' ) {

		$wp_list_table = _get_list_table('WP_Post_Comments_List_Table');

	} else {

		$wp_list_table = _get_list_table('WP_Comments_List_Table');

	}



?>

<form method="get" action="">

<?php if ( $table_row ) : ?>

<table style="display:none;"><tbody id="com-reply"><tr id="replyrow" style="display:none;"><td colspan="<?php echo $wp_list_table->get_column_count(); ?>" class="colspanchange">

<?php else : ?>

<div id="com-reply" style="display:none;"><div id="replyrow" style="display:none;">

<?php endif; ?>

	<div id="replyhead" style="display:none;"><?php _e('Reply to Comment'); ?></div>



	<div id="edithead" style="display:none;">

		<div class="inside">

		<label for="author"><?php _e('Name') ?></label>

		<input type="text" name="newcomment_author" size="50" value="" tabindex="101" id="author" />

		</div>



		<div class="inside">

		<label for="author-email"><?php _e('E-mail') ?></label>

		<input type="text" name="newcomment_author_email" size="50" value="" tabindex="102" id="author-email" />

		</div>



		<div class="inside">

		<label for="author-url"><?php _e('URL') ?></label>

		<input type="text" id="author-url" name="newcomment_author_url" size="103" value="" tabindex="103" />

		</div>

		<div style="clear:both;"></div>

	</div>



	<div id="replycontainer"><textarea rows="8" cols="40" name="replycontent" tabindex="104" id="replycontent"></textarea></div>



	<p id="replysubmit" class="submit">

	<a href="#comments-form" class="cancel button-secondary alignleft" tabindex="106"><?php _e('Cancel'); ?></a>

	<a href="#comments-form" class="save button-primary alignright" tabindex="104">

	<span id="savebtn" style="display:none;"><?php _e('Update Comment'); ?></span>

	<span id="replybtn" style="display:none;"><?php _e('Submit Reply'); ?></span></a>

	<img class="waiting" style="display:none;" src="<?php echo esc_url( admin_url( 'images/wpspin_light.gif' ) ); ?>" alt="" />

	<span class="error" style="display:none;"></span>

	<br class="clear" />

	</p>



	<input type="hidden" name="user_ID" id="user_ID" value="<?php echo get_current_user_id(); ?>" />

	<input type="hidden" name="action" id="action" value="" />

	<input type="hidden" name="comment_ID" id="comment_ID" value="" />

	<input type="hidden" name="comment_post_ID" id="comment_post_ID" value="" />

	<input type="hidden" name="status" id="status" value="" />

	<input type="hidden" name="position" id="position" value="<?php echo $position; ?>" />

	<input type="hidden" name="checkbox" id="checkbox" value="<?php echo $checkbox ? 1 : 0; ?>" />

	<input type="hidden" name="mode" id="mode" value="<?php echo esc_attr($mode); ?>" />

	<?php wp_nonce_field( 'replyto-comment', '_ajax_nonce-replyto-comment', false ); ?>

	<?php wp_comment_form_unfiltered_html_nonce(); ?>

<?php if ( $table_row ) : ?>

</td></tr></tbody></table>

<?php else : ?>

</div></div>

<?php endif; ?>

</form>

<?php

}



/**

 * Output 'undo move to trash' text for comments

 *

 * @since 2.9.0

 */

function wp_comment_trashnotice() {

?>

<div class="hidden" id="trash-undo-holder">

	<div class="trash-undo-inside"><?php printf(__('Comment by %s moved to the trash.'), '<strong></strong>'); ?> <span class="undo untrash"><a href="#"><?php _e('Undo'); ?></a></span></div>

</div>

<div class="hidden" id="spam-undo-holder">

	<div class="spam-undo-inside"><?php printf(__('Comment by %s marked as spam.'), '<strong></strong>'); ?> <span class="undo unspam"><a href="#"><?php _e('Undo'); ?></a></span></div>

</div>

<?php

}



/**

 * {@internal Missing Short Description}}

 *

 * @since 1.2.0

 *

 * @param unknown_type $meta

 */

function list_meta( $meta ) {

	// Exit if no meta

	if ( ! $meta ) {

		echo '

<table id="list-table" style="display: none;">

	<thead>

	<tr>

		<th class="left">' . _x( 'Name', 'meta name' ) . '</th>

		<th>' . __( 'Value' ) . '</th>

	</tr>

	</thead>

	<tbody id="the-list" class="list:meta">

	<tr><td></td></tr>

	</tbody>

</table>'; //TBODY needed for list-manipulation JS

		return;

	}

	$count = 0;

?>

<table id="list-table">

	<thead>

	<tr>

		<th class="left"><?php _ex( 'Name', 'meta name' ) ?></th>

		<th><?php _e( 'Value' ) ?></th>

	</tr>

	</thead>

	<tbody id='the-list' class='list:meta'>

<?php

	foreach ( $meta as $entry )

		echo _list_meta_row( $entry, $count );

?>

	</tbody>

</table>

<?php

}



/**

 * {@internal Missing Short Description}}

 *

 * @since 2.5.0

 *

 * @param unknown_type $entry

 * @param unknown_type $count

 * @return unknown

 */

function _list_meta_row( $entry, &$count ) {

	static $update_nonce = false;



	if ( is_protected_meta( $entry['meta_key'] ) )

		return;



	if ( !$update_nonce )

		$update_nonce = wp_create_nonce( 'add-meta' );



	$r = '';

	++ $count;

	if ( $count % 2 )

		$style = 'alternate';

	else

		$style = '';

	if ('_' == $entry['meta_key'] { 0 } )

		$style .= ' hidden';



	if ( is_serialized( $entry['meta_value'] ) ) {

		if ( is_serialized_string( $entry['meta_value'] ) ) {

			// this is a serialized string, so we should display it

			$entry['meta_value'] = maybe_unserialize( $entry['meta_value'] );

		} else {

			// this is a serialized array/object so we should NOT display it

			--$count;

			return;

		}

	}



	$entry['meta_key'] = esc_attr($entry['meta_key']);

	$entry['meta_value'] = esc_textarea( $entry['meta_value'] ); // using a <textarea />

	$entry['meta_id'] = (int) $entry['meta_id'];



	$delete_nonce = wp_create_nonce( 'delete-meta_' . $entry['meta_id'] );



	$r .= "\n\t<tr id='meta-{$entry['meta_id']}' class='$style'>";

	$r .= "\n\t\t<td class='left'><label class='screen-reader-text' for='meta[{$entry['meta_id']}][key]'>" . __( 'Key' ) . "</label><input name='meta[{$entry['meta_id']}][key]' id='meta[{$entry['meta_id']}][key]' tabindex='6' type='text' size='20' value='{$entry['meta_key']}' />";



	$r .= "\n\t\t<div class='submit'>";

	$r .= get_submit_button( __( 'Delete' ), "delete:the-list:meta-{$entry['meta_id']}::_ajax_nonce=$delete_nonce deletemeta", "deletemeta[{$entry['meta_id']}]", false, array( 'tabindex' => '6' ) );

	$r .= "\n\t\t";

	$r .= get_submit_button( __( 'Update' ), "add:the-list:meta-{$entry['meta_id']}::_ajax_nonce-add-meta=$update_nonce updatemeta" , 'updatemeta', false, array( 'tabindex' => '6' ) );

	$r .= "</div>";

	$r .= wp_nonce_field( 'change-meta', '_ajax_nonce', false, false );

	$r .= "</td>";



	$r .= "\n\t\t<td><label class='screen-reader-text' for='meta[{$entry['meta_id']}][value]'>" . __( 'Value' ) . "</label><textarea name='meta[{$entry['meta_id']}][value]' id='meta[{$entry['meta_id']}][value]' tabindex='6' rows='2' cols='30'>{$entry['meta_value']}</textarea></td>\n\t</tr>";

	return $r;

}



/**

 * {@internal Missing Short Description}}

 *

 * @since 1.2.0

 */

function meta_form() {

	global $wpdb;

	$limit = (int) apply_filters( 'postmeta_form_limit', 30 );

	$keys = $wpdb->get_col( "

		SELECT meta_key

		FROM $wpdb->postmeta

		GROUP BY meta_key

		HAVING meta_key NOT LIKE '\_%'

		ORDER BY meta_key

		LIMIT $limit" );

	if ( $keys )

		natcasesort($keys);

?>

<p><strong><?php _e( 'Add New Custom Field:' ) ?></strong></p>

<table id="newmeta">

<thead>

<tr>

<th class="left"><label for="metakeyselect"><?php _ex( 'Name', 'meta name' ) ?></label></th>

<th><label for="metavalue"><?php _e( 'Value' ) ?></label></th>

</tr>

</thead>



<tbody>

<tr>

<td id="newmetaleft" class="left">

<?php if ( $keys ) { ?>

<select id="metakeyselect" name="metakeyselect" tabindex="7">

<option value="#NONE#"><?php _e( '&mdash; Select &mdash;' ); ?></option>

<?php



	foreach ( $keys as $key ) {

		echo "\n<option value='" . esc_attr($key) . "'>" . esc_html($key) . "</option>";

	}

?>

</select>

<input class="hide-if-js" type="text" id="metakeyinput" name="metakeyinput" tabindex="7" value="" />

<a href="#postcustomstuff" class="hide-if-no-js" onclick="jQuery('#metakeyinput, #metakeyselect, #enternew, #cancelnew').toggle();return false;">

<span id="enternew"><?php _e('Enter new'); ?></span>

<span id="cancelnew" class="hidden"><?php _e('Cancel'); ?></span></a>

<?php } else { ?>

<input type="text" id="metakeyinput" name="metakeyinput" tabindex="7" value="" />

<?php } ?>

</td>

<td><textarea id="metavalue" name="metavalue" rows="2" cols="25" tabindex="8"></textarea></td>

</tr>



<tr><td colspan="2" class="submit">

<?php submit_button( __( 'Add Custom Field' ), 'add:the-list:newmeta', 'addmeta', false, array( 'id' => 'addmetasub', 'tabindex' => '9' ) ); ?>

<?php wp_nonce_field( 'add-meta', '_ajax_nonce-add-meta', false ); ?>

</td></tr>

</tbody>

</table>

<?php



}



/**

 * {@internal Missing Short Description}}

 *

 * @since 0.71

 *

 * @param unknown_type $edit

 * @param unknown_type $for_post

 * @param unknown_type $tab_index

 * @param unknown_type $multi

 */

function touch_time( $edit = 1, $for_post = 1, $tab_index = 0, $multi = 0 ) {

	global $wp_locale, $post, $comment;



	if ( $for_post )

		$edit = ! ( in_array($post->post_status, array('draft', 'pending') ) && (!$post->post_date_gmt || '0000-00-00 00:00:00' == $post->post_date_gmt ) );



	$tab_index_attribute = '';

	if ( (int) $tab_index > 0 )

		$tab_index_attribute = " tabindex=\"$tab_index\"";



	// echo '<label for="timestamp" style="display: block;"><input type="checkbox" class="checkbox" name="edit_date" value="1" id="timestamp"'.$tab_index_attribute.' /> '.__( 'Edit timestamp' ).'</label><br />';



	$time_adj = current_time('timestamp');

	$post_date = ($for_post) ? $post->post_date : $comment->comment_date;

	$jj = ($edit) ? mysql2date( 'd', $post_date, false ) : gmdate( 'd', $time_adj );

	$mm = ($edit) ? mysql2date( 'm', $post_date, false ) : gmdate( 'm', $time_adj );

	$aa = ($edit) ? mysql2date( 'Y', $post_date, false ) : gmdate( 'Y', $time_adj );

	$hh = ($edit) ? mysql2date( 'H', $post_date, false ) : gmdate( 'H', $time_adj );

	$mn = ($edit) ? mysql2date( 'i', $post_date, false ) : gmdate( 'i', $time_adj );

	$ss = ($edit) ? mysql2date( 's', $post_date, false ) : gmdate( 's', $time_adj );



	$cur_jj = gmdate( 'd', $time_adj );

	$cur_mm = gmdate( 'm', $time_adj );

	$cur_aa = gmdate( 'Y', $time_adj );

	$cur_hh = gmdate( 'H', $time_adj );

	$cur_mn = gmdate( 'i', $time_adj );



	$month = "<select " . ( $multi ? '' : 'id="mm" ' ) . "name=\"mm\"$tab_index_attribute>\n";

	for ( $i = 1; $i < 13; $i = $i +1 ) {

		$month .= "\t\t\t" . '<option value="' . zeroise($i, 2) . '"';

		if ( $i == $mm )

			$month .= ' selected="selected"';

		$month .= '>' . $wp_locale->get_month_abbrev( $wp_locale->get_month( $i ) ) . "</option>\n";

	}

	$month .= '</select>';



	$day = '<input type="text" ' . ( $multi ? '' : 'id="jj" ' ) . 'name="jj" value="' . $jj . '" size="2" maxlength="2"' . $tab_index_attribute . ' autocomplete="off" />';

	$year = '<input type="text" ' . ( $multi ? '' : 'id="aa" ' ) . 'name="aa" value="' . $aa . '" size="4" maxlength="4"' . $tab_index_attribute . ' autocomplete="off" />';

	$hour = '<input type="text" ' . ( $multi ? '' : 'id="hh" ' ) . 'name="hh" value="' . $hh . '" size="2" maxlength="2"' . $tab_index_attribute . ' autocomplete="off" />';

	$minute = '<input type="text" ' . ( $multi ? '' : 'id="mn" ' ) . 'name="mn" value="' . $mn . '" size="2" maxlength="2"' . $tab_index_attribute . ' autocomplete="off" />';



	echo '<div class="timestamp-wrap">';

	/* translators: 1: month input, 2: day input, 3: year input, 4: hour input, 5: minute input */

	printf(__('%1$s%2$s, %3$s @ %4$s : %5$s'), $month, $day, $year, $hour, $minute);



	echo '</div><input type="hidden" id="ss" name="ss" value="' . $ss . '" />';



	if ( $multi ) return;



	echo "\n\n";

	foreach ( array('mm', 'jj', 'aa', 'hh', 'mn') as $timeunit ) {

		echo '<input type="hidden" id="hidden_' . $timeunit . '" name="hidden_' . $timeunit . '" value="' . $$timeunit . '" />' . "\n";

		$cur_timeunit = 'cur_' . $timeunit;

		echo '<input type="hidden" id="'. $cur_timeunit . '" name="'. $cur_timeunit . '" value="' . $$cur_timeunit . '" />' . "\n";

	}

?>



<p>

<a href="#edit_timestamp" class="save-timestamp hide-if-no-js button"><?php _e('OK'); ?></a>

<a href="#edit_timestamp" class="cancel-timestamp hide-if-no-js"><?php _e('Cancel'); ?></a>

</p>

<?php

}



/**

 * {@internal Missing Short Description}}

 *

 * @since 1.5.0

 *

 * @param unknown_type $default

 */

function page_template_dropdown( $default = '' ) {

	$templates = get_page_templates();

	ksort( $templates );

	foreach (array_keys( $templates ) as $template )

		: if ( $default == $templates[$template] )

			$selected = " selected='selected'";

		else

			$selected = '';

	echo "\n\t<option value='".$templates[$template]."' $selected>$template</option>";

	endforeach;

}



/**

 * {@internal Missing Short Description}}

 *

 * @since 1.5.0

 *

 * @param unknown_type $default

 * @param unknown_type $parent

 * @param unknown_type $level

 * @return unknown

 */

function parent_dropdown( $default = 0, $parent = 0, $level = 0 ) {

	global $wpdb, $post_ID;

	$items = $wpdb->get_results( $wpdb->prepare("SELECT ID, post_parent, post_title FROM $wpdb->posts WHERE post_parent = %d AND post_type = 'page' ORDER BY menu_order", $parent) );



	if ( $items ) {

		foreach ( $items as $item ) {

			// A page cannot be its own parent.

			if (!empty ( $post_ID ) ) {

				if ( $item->ID == $post_ID ) {

					continue;

				}

			}

			$pad = str_repeat( '&nbsp;', $level * 3 );

			if ( $item->ID == $default)

				$current = ' selected="selected"';

			else

				$current = '';



			echo "\n\t<option class='level-$level' value='$item->ID'$current>$pad " . esc_html($item->post_title) . "</option>";

			parent_dropdown( $default, $item->ID, $level +1 );

		}

	} else {

		return false;

	}

}



/**

 * {@internal Missing Short Description}}

 *

 * @since 2.0.0

 *

 * @param unknown_type $id

 * @return unknown

 */

function the_attachment_links( $id = false ) {

	$id = (int) $id;

	$post = & get_post( $id );



	if ( $post->post_type != 'attachment' )

		return false;



	$icon = wp_get_attachment_image( $post->ID, 'thumbnail', true );

	$attachment_data = wp_get_attachment_metadata( $id );

	$thumb = isset( $attachment_data['thumb'] );

?>

<form id="the-attachment-links">

<table>

	<col />

	<col class="widefat" />

	<tr>

		<th scope="row"><?php _e( 'URL' ) ?></th>

		<td><textarea rows="1" cols="40" type="text" class="attachmentlinks" readonly="readonly"><?php echo esc_textarea( wp_get_attachment_url() ); ?></textarea></td>

	</tr>

<?php if ( $icon ) : ?>

	<tr>

		<th scope="row"><?php $thumb ? _e( 'Thumbnail linked to file' ) : _e( 'Image linked to file' ); ?></th>

		<td><textarea rows="1" cols="40" type="text" class="attachmentlinks" readonly="readonly"><a href="<?php echo wp_get_attachment_url(); ?>"><?php echo $icon ?></a></textarea></td>

	</tr>

	<tr>

		<th scope="row"><?php $thumb ? _e( 'Thumbnail linked to page' ) : _e( 'Image linked to page' ); ?></th>

		<td><textarea rows="1" cols="40" type="text" class="attachmentlinks" readonly="readonly"><a href="<?php echo get_attachment_link( $post->ID ) ?>" rel="attachment wp-att-<?php echo $post->ID; ?>"><?php echo $icon ?></a></textarea></td>

	</tr>

<?php else : ?>

	<tr>

		<th scope="row"><?php _e( 'Link to file' ) ?></th>

		<td><textarea rows="1" cols="40" type="text" class="attachmentlinks" readonly="readonly"><a href="<?php echo wp_get_attachment_url(); ?>" class="attachmentlink"><?php echo basename( wp_get_attachment_url() ); ?></a></textarea></td>

	</tr>

	<tr>

		<th scope="row"><?php _e( 'Link to page' ) ?></th>

		<td><textarea rows="1" cols="40" type="text" class="attachmentlinks" readonly="readonly"><a href="<?php echo get_attachment_link( $post->ID ) ?>" rel="attachment wp-att-<?php echo $post->ID ?>"><?php the_title(); ?></a></textarea></td>

	</tr>

<?php endif; ?>

</table>

</form>

<?php

}





/**

 * Print out <option> html elements for role selectors

 *

 * @since 2.1.0

 *

 * @param string $selected slug for the role that should be already selected

 */

function wp_dropdown_roles( $selected = false ) {

	$p = '';

	$r = '';



	$editable_roles = get_editable_roles();



	foreach ( $editable_roles as $role => $details ) {

		$name = translate_user_role($details['name'] );

		if ( $selected == $role ) // preselect specified role

			$p = "\n\t<option selected='selected' value='" . esc_attr($role) . "'>$name</option>";

		else

			$r .= "\n\t<option value='" . esc_attr($role) . "'>$name</option>";

	}

	echo $p . $r;

}



/**

 * {@internal Missing Short Description}}

 *

 * @since 2.3.0

 *

 * @param unknown_type $size

 * @return unknown

 */

function wp_convert_hr_to_bytes( $size ) {

	$size = strtolower($size);

	$bytes = (int) $size;

	if ( strpos($size, 'k') !== false )

		$bytes = intval($size) * 1024;

	elseif ( strpos($size, 'm') !== false )

		$bytes = intval($size) * 1024 * 1024;

	elseif ( strpos($size, 'g') !== false )

		$bytes = intval($size) * 1024 * 1024 * 1024;

	return $bytes;

}



/**

 * {@internal Missing Short Description}}

 *

 * @since 2.3.0

 *

 * @param unknown_type $bytes

 * @return unknown

 */

function wp_convert_bytes_to_hr( $bytes ) {

	$units = array( 0 => 'B', 1 => 'kB', 2 => 'MB', 3 => 'GB' );

	$log = log( $bytes, 1024 );

	$power = (int) $log;

	$size = pow(1024, $log - $power);

	return $size . $units[$power];

}



/**

 * {@internal Missing Short Description}}

 *

 * @since 2.5.0

 *

 * @return unknown

 */

function wp_max_upload_size() {

	$u_bytes = wp_convert_hr_to_bytes( ini_get( 'upload_max_filesize' ) );

	$p_bytes = wp_convert_hr_to_bytes( ini_get( 'post_max_size' ) );

	$bytes = apply_filters( 'upload_size_limit', min($u_bytes, $p_bytes), $u_bytes, $p_bytes );

	return $bytes;

}



/**

 * Outputs the form used by the importers to accept the data to be imported

 *

 * @since 2.0.0

 *

 * @param string $action The action attribute for the form.

 */

function wp_import_upload_form( $action ) {

	$bytes = apply_filters( 'import_upload_size_limit', wp_max_upload_size() );

	$size = wp_convert_bytes_to_hr( $bytes );

	$upload_dir = wp_upload_dir();

	if ( ! empty( $upload_dir['error'] ) ) :

		?><div class="error"><p><?php _e('Before you can upload your import file, you will need to fix the following error:'); ?></p>

		<p><strong><?php echo $upload_dir['error']; ?></strong></p></div><?php

	else :

?>

<form enctype="multipart/form-data" id="import-upload-form" method="post" action="<?php echo esc_attr(wp_nonce_url($action, 'import-upload')); ?>">

<p>

<label for="upload"><?php _e( 'Choose a file from your computer:' ); ?></label> (<?php printf( __('Maximum size: %s' ), $size ); ?>)

<input type="file" id="upload" name="import" size="25" />

<input type="hidden" name="action" value="save" />

<input type="hidden" name="max_file_size" value="<?php echo $bytes; ?>" />

</p>

<?php submit_button( __('Upload file and import'), 'button' ); ?>

</form>

<?php

	endif;

}



/**

 * Add a meta box to an edit form.

 *

 * @since 2.5.0

 *

 * @param string $id String for use in the 'id' attribute of tags.

 * @param string $title Title of the meta box.

 * @param string $callback Function that fills the box with the desired content. The function should echo its output.

 * @param string $page The type of edit page on which to show the box (post, page, link).

 * @param string $context The context within the page where the boxes should show ('normal', 'advanced').

 * @param string $priority The priority within the context where the boxes should show ('high', 'low').

 */

function add_meta_box($id, $title, $callback, $page, $context = 'advanced', $priority = 'default', $callback_args=null) {

	global $wp_meta_boxes;



	if ( !isset($wp_meta_boxes) )

		$wp_meta_boxes = array();

	if ( !isset($wp_meta_boxes[$page]) )

		$wp_meta_boxes[$page] = array();

	if ( !isset($wp_meta_boxes[$page][$context]) )

		$wp_meta_boxes[$page][$context] = array();



	foreach ( array_keys($wp_meta_boxes[$page]) as $a_context ) {

		foreach ( array('high', 'core', 'default', 'low') as $a_priority ) {

			if ( !isset($wp_meta_boxes[$page][$a_context][$a_priority][$id]) )

				continue;



			// If a core box was previously added or removed by a plugin, don't add.

			if ( 'core' == $priority ) {

				// If core box previously deleted, don't add

				if ( false === $wp_meta_boxes[$page][$a_context][$a_priority][$id] )

					return;

				// If box was added with default priority, give it core priority to maintain sort order

				if ( 'default' == $a_priority ) {

					$wp_meta_boxes[$page][$a_context]['core'][$id] = $wp_meta_boxes[$page][$a_context]['default'][$id];

					unset($wp_meta_boxes[$page][$a_context]['default'][$id]);

				}

				return;

			}

			// If no priority given and id already present, use existing priority

			if ( empty($priority) ) {

				$priority = $a_priority;

			// else if we're adding to the sorted priortiy, we don't know the title or callback. Glab them from the previously added context/priority.

			} elseif ( 'sorted' == $priority ) {

				$title = $wp_meta_boxes[$page][$a_context][$a_priority][$id]['title'];

				$callback = $wp_meta_boxes[$page][$a_context][$a_priority][$id]['callback'];

				$callback_args = $wp_meta_boxes[$page][$a_context][$a_priority][$id]['args'];

			}

			// An id can be in only one priority and one context

			if ( $priority != $a_priority || $context != $a_context )

				unset($wp_meta_boxes[$page][$a_context][$a_priority][$id]);

		}

	}



	if ( empty($priority) )

		$priority = 'low';



	if ( !isset($wp_meta_boxes[$page][$context][$priority]) )

		$wp_meta_boxes[$page][$context][$priority] = array();



	$wp_meta_boxes[$page][$context][$priority][$id] = array('id' => $id, 'title' => $title, 'callback' => $callback, 'args' => $callback_args);

}



/**

 * Meta-Box template function

 *

 * @since 2.5.0

 *

 * @param string $page page identifier, also known as screen identifier

 * @param string $context box context

 * @param mixed $object gets passed to the box callback function as first parameter

 * @return int number of meta_boxes

 */

function do_meta_boxes($page, $context, $object) {

	global $wp_meta_boxes;

	static $already_sorted = false;



	$hidden = get_hidden_meta_boxes($page);



	printf('<div id="%s-sortables" class="meta-box-sortables">', htmlspecialchars($context));



	$i = 0;

	do {

		// Grab the ones the user has manually sorted. Pull them out of their previous context/priority and into the one the user chose

		if ( !$already_sorted && $sorted = get_user_option( "meta-box-order_$page" ) ) {

			foreach ( $sorted as $box_context => $ids ) {

				foreach ( explode(',', $ids ) as $id ) {

					if ( $id && 'dashboard_browser_nag' !== $id )

						add_meta_box( $id, null, null, $page, $box_context, 'sorted' );

				}

			}

		}

		$already_sorted = true;



		if ( !isset($wp_meta_boxes) || !isset($wp_meta_boxes[$page]) || !isset($wp_meta_boxes[$page][$context]) )

			break;



		foreach ( array('high', 'sorted', 'core', 'default', 'low') as $priority ) {

			if ( isset($wp_meta_boxes[$page][$context][$priority]) ) {

				foreach ( (array) $wp_meta_boxes[$page][$context][$priority] as $box ) {

					if ( false == $box || ! $box['title'] )

						continue;

					$i++;

					$style = '';

					$hidden_class = in_array($box['id'], $hidden) ? ' hide-if-js' : '';

					echo '<div id="' . $box['id'] . '" class="postbox ' . postbox_classes($box['id'], $page) . $hidden_class . '" ' . '>' . "\n";

					if ( 'dashboard_browser_nag' != $box['id'] )

						echo '<div class="handlediv" title="' . esc_attr__('Click to toggle') . '"><br /></div>';

					echo "<h3 class='hndle'><span>{$box['title']}</span></h3>\n";

					echo '<div class="inside">' . "\n";

					call_user_func($box['callback'], $object, $box);

					echo "</div>\n";

					echo "</div>\n";

				}

			}

		}

	} while(0);



	echo "</div>";



	return $i;



}



/**

 * Remove a meta box from an edit form.

 *

 * @since 2.6.0

 *

 * @param string $id String for use in the 'id' attribute of tags.

 * @param string $page The type of edit page on which to show the box (post, page, link).

 * @param string $context The context within the page where the boxes should show ('normal', 'advanced').

 */

function remove_meta_box($id, $page, $context) {

	global $wp_meta_boxes;



	if ( !isset($wp_meta_boxes) )

		$wp_meta_boxes = array();

	if ( !isset($wp_meta_boxes[$page]) )

		$wp_meta_boxes[$page] = array();

	if ( !isset($wp_meta_boxes[$page][$context]) )

		$wp_meta_boxes[$page][$context] = array();



	foreach ( array('high', 'core', 'default', 'low') as $priority )

		$wp_meta_boxes[$page][$context][$priority][$id] = false;

}



/**

 * {@internal Missing Short Description}}

 *

 * @since 2.7.0

 *

 * @param unknown_type $screen

 */

function meta_box_prefs($screen) {

	global $wp_meta_boxes;



	if ( is_string($screen) )

		$screen = convert_to_screen($screen);



	if ( empty($wp_meta_boxes[$screen->id]) )

		return;



	$hidden = get_hidden_meta_boxes($screen);



	foreach ( array_keys($wp_meta_boxes[$screen->id]) as $context ) {

		foreach ( array_keys($wp_meta_boxes[$screen->id][$context]) as $priority ) {

			foreach ( $wp_meta_boxes[$screen->id][$context][$priority] as $box ) {

				if ( false == $box || ! $box['title'] )

					continue;

				// Submit box cannot be hidden

				if ( 'submitdiv' == $box['id'] || 'linksubmitdiv' == $box['id'] )

					continue;

				$box_id = $box['id'];

				echo '<label for="' . $box_id . '-hide">';

				echo '<input class="hide-postbox-tog" name="' . $box_id . '-hide" type="checkbox" id="' . $box_id . '-hide" value="' . $box_id . '"' . (! in_array($box_id, $hidden) ? ' checked="checked"' : '') . ' />';

				echo "{$box['title']}</label>\n";

			}

		}

	}

}



/**

 * Get Hidden Meta Boxes

 *

 * @since 2.7.0

 *

 * @param string|object $screen Screen identifier

 * @return array Hidden Meta Boxes

 */

function get_hidden_meta_boxes( $screen ) {

	if ( is_string( $screen ) )

		$screen = convert_to_screen( $screen );



	$hidden = get_user_option( "metaboxhidden_{$screen->id}" );



	// Hide slug boxes by default

	if ( !is_array( $hidden ) ) {

		if ( 'post' == $screen->base || 'page' == $screen->base )

			$hidden = array('slugdiv', 'trackbacksdiv', 'postcustom', 'postexcerpt', 'commentstatusdiv', 'commentsdiv', 'authordiv', 'revisionsdiv');

		else

			$hidden = array( 'slugdiv' );

		$hidden = apply_filters('default_hidden_meta_boxes', $hidden, $screen);

	}



	return $hidden;

}



/**

 * Add a new section to a settings page.

 *

 * Part of the Settings API. Use this to define new settings sections for an admin page.

 * Show settings sections in your admin page callback function with do_settings_sections().

 * Add settings fields to your section with add_settings_field()

 *

 * The $callback argument should be the name of a function that echoes out any

 * content you want to show at the top of the settings section before the actual

 * fields. It can output nothing if you want.

 *

 * @since 2.7.0

 *

 * @global $wp_settings_sections Storage array of all settings sections added to admin pages

 *

 * @param string $id Slug-name to identify the section. Used in the 'id' attribute of tags.

 * @param string $title Formatted title of the section. Shown as the heading for the section.

 * @param string $callback Function that echos out any content at the top of the section (between heading and fields).

 * @param string $page The slug-name of the settings page on which to show the section. Built-in pages include 'general', 'reading', 'writing', 'discussion', 'media', etc. Create your own using add_options_page();

 */

function add_settings_section($id, $title, $callback, $page) {

	global $wp_settings_sections;



	if ( 'misc' == $page ) {

		_deprecated_argument( __FUNCTION__, '3.0', __( 'The miscellaneous options group has been removed. Use another settings group.' ) );

		$page = 'general';

	}



	if ( !isset($wp_settings_sections) )

		$wp_settings_sections = array();

	if ( !isset($wp_settings_sections[$page]) )

		$wp_settings_sections[$page] = array();

	if ( !isset($wp_settings_sections[$page][$id]) )

		$wp_settings_sections[$page][$id] = array();



	$wp_settings_sections[$page][$id] = array('id' => $id, 'title' => $title, 'callback' => $callback);

}



/**

 * Add a new field to a section of a settings page

 *

 * Part of the Settings API. Use this to define a settings field that will show

 * as part of a settings section inside a settings page. The fields are shown using

 * do_settings_fields() in do_settings-sections()

 *

 * The $callback argument should be the name of a function that echoes out the

 * html input tags for this setting field. Use get_option() to retrive existing

 * values to show.

 *

 * @since 2.7.0

 *

 * @global $wp_settings_fields Storage array of settings fields and info about their pages/sections

 *

 * @param string $id Slug-name to identify the field. Used in the 'id' attribute of tags.

 * @param string $title Formatted title of the field. Shown as the label for the field during output.

 * @param string $callback Function that fills the field with the desired form inputs. The function should echo its output.

 * @param string $page The slug-name of the settings page on which to show the section (general, reading, writing, ...).

 * @param string $section The slug-name of the section of the settingss page in which to show the box (default, ...).

 * @param array $args Additional arguments

 */

function add_settings_field($id, $title, $callback, $page, $section = 'default', $args = array()) {

	global $wp_settings_fields;



	if ( 'misc' == $page ) {

		_deprecated_argument( __FUNCTION__, '3.0', __( 'The miscellaneous options group has been removed. Use another settings group.' ) );

		$page = 'general';

	}



	if ( !isset($wp_settings_fields) )

		$wp_settings_fields = array();

	if ( !isset($wp_settings_fields[$page]) )

		$wp_settings_fields[$page] = array();

	if ( !isset($wp_settings_fields[$page][$section]) )

		$wp_settings_fields[$page][$section] = array();



	$wp_settings_fields[$page][$section][$id] = array('id' => $id, 'title' => $title, 'callback' => $callback, 'args' => $args);

}



/**

 * Prints out all settings sections added to a particular settings page

 *

 * Part of the Settings API. Use this in a settings page callback function

 * to output all the sections and fields that were added to that $page with

 * add_settings_section() and add_settings_field()

 *

 * @global $wp_settings_sections Storage array of all settings sections added to admin pages

 * @global $wp_settings_fields Storage array of settings fields and info about their pages/sections

 * @since 2.7.0

 *

 * @param string $page The slug name of the page whos settings sections you want to output

 */

function do_settings_sections($page) {

	global $wp_settings_sections, $wp_settings_fields;



	if ( !isset($wp_settings_sections) || !isset($wp_settings_sections[$page]) )

		return;



	foreach ( (array) $wp_settings_sections[$page] as $section ) {

		echo "<h3>{$section['title']}</h3>\n";

		call_user_func($section['callback'], $section);

		if ( !isset($wp_settings_fields) || !isset($wp_settings_fields[$page]) || !isset($wp_settings_fields[$page][$section['id']]) )

			continue;

		echo '<table class="form-table">';

		do_settings_fields($page, $section['id']);

		echo '</table>';

	}

}



/**

 * Print out the settings fields for a particular settings section

 *

 * Part of the Settings API. Use this in a settings page to output

 * a specific section. Should normally be called by do_settings_sections()

 * rather than directly.

 *

 * @global $wp_settings_fields Storage array of settings fields and their pages/sections

 *

 * @since 2.7.0

 *

 * @param string $page Slug title of the admin page who's settings fields you want to show.

 * @param section $section Slug title of the settings section who's fields you want to show.

 */

function do_settings_fields($page, $section) {

	global $wp_settings_fields;



	if ( !isset($wp_settings_fields) || !isset($wp_settings_fields[$page]) || !isset($wp_settings_fields[$page][$section]) )

		return;



	foreach ( (array) $wp_settings_fields[$page][$section] as $field ) {

		echo '<tr valign="top">';

		if ( !empty($field['args']['label_for']) )

			echo '<th scope="row"><label for="' . $field['args']['label_for'] . '">' . $field['title'] . '</label></th>';

		else

			echo '<th scope="row">' . $field['title'] . '</th>';

		echo '<td>';

		call_user_func($field['callback'], $field['args']);

		echo '</td>';

		echo '</tr>';

	}

}



/**

 * Register a settings error to be displayed to the user

 *

 * Part of the Settings API. Use this to show messages to users about settings validation

 * problems, missing settings or anything else.

 *

 * Settings errors should be added inside the $sanitize_callback function defined in

 * register_setting() for a given setting to give feedback about the submission.

 *

 * By default messages will show immediately after the submission that generated the error.

 * Additional calls to settings_errors() can be used to show errors even when the settings

 * page is first accessed.

 *

 * @since 3.0.0

 *

 * @global array $wp_settings_errors Storage array of errors registered during this pageload

 *

 * @param string $setting Slug title of the setting to which this error applies

 * @param string $code Slug-name to identify the error. Used as part of 'id' attribute in HTML output.

 * @param string $message The formatted message text to display to the user (will be shown inside styled <div> and <p>)

 * @param string $type The type of message it is, controls HTML class. Use 'error' or 'updated'.

 */

function add_settings_error( $setting, $code, $message, $type = 'error' ) {

	global $wp_settings_errors;



	if ( !isset($wp_settings_errors) )

		$wp_settings_errors = array();



	$new_error = array(

		'setting' => $setting,

		'code' => $code,

		'message' => $message,

		'type' => $type

	);

	$wp_settings_errors[] = $new_error;

}



/**

 * Fetch settings errors registered by add_settings_error()

 *

 * Checks the $wp_settings_errors array for any errors declared during the current

 * pageload and returns them.

 *

 * If changes were just submitted ($_GET['settings-updated']) and settings errors were saved

 * to the 'settings_errors' transient then those errors will be returned instead. This

 * is used to pass errors back across pageloads.

 *

 * Use the $sanitize argument to manually re-sanitize the option before returning errors.

 * This is useful if you have errors or notices you want to show even when the user

 * hasn't submitted data (i.e. when they first load an options page, or in admin_notices action hook)

 *

 * @since 3.0.0

 *

 * @global array $wp_settings_errors Storage array of errors registered during this pageload

 *

 * @param string $setting Optional slug title of a specific setting who's errors you want.

 * @param boolean $sanitize Whether to re-sanitize the setting value before returning errors.

 * @return array Array of settings errors

 */

function get_settings_errors( $setting = '', $sanitize = FALSE ) {

	global $wp_settings_errors;



	// If $sanitize is true, manually re-run the sanitizisation for this option

	// This allows the $sanitize_callback from register_setting() to run, adding

	// any settings errors you want to show by default.

	if ( $sanitize )

		sanitize_option( $setting, get_option($setting));



	// If settings were passed back from options.php then use them

	// Ignore transients if $sanitize is true, we dont' want the old values anyway

	if ( isset($_GET['settings-updated']) && $_GET['settings-updated'] && get_transient('settings_errors') ) {

		$settings_errors = get_transient('settings_errors');

		delete_transient('settings_errors');

	// Otherwise check global in case validation has been run on this pageload

	} elseif ( count( $wp_settings_errors ) ) {

		$settings_errors = $wp_settings_errors;

	} else {

		return;

	}



	// Filter the results to those of a specific setting if one was set

	if ( $setting ) {

		foreach ( (array) $settings_errors as $key => $details )

			if ( $setting != $details['setting'] )

				unset( $settings_errors[$key] );

	}

	return $settings_errors;

}



/**

 * Display settings errors registered by add_settings_error()

 *

 * Part of the Settings API. Outputs a <div> for each error retrieved by get_settings_errors().

 *

 * This is called automatically after a settings page based on the Settings API is submitted.

 * Errors should be added during the validation callback function for a setting defined in register_setting()

 *

 * The $sanitize option is passed into get_settings_errors() and will re-run the setting sanitization

 * on its current value.

 *

 * The $hide_on_update option will cause errors to only show when the settings page is first loaded.

 * if the user has already saved new values it will be hidden to avoid repeating messages already

 * shown in the default error reporting after submission. This is useful to show general errors like missing

 * settings when the user arrives at the settings page.

 *

 * @since 3.0.0

 *

 * @param string $setting Optional slug title of a specific setting who's errors you want.

 * @param boolean $sanitize Whether to re-sanitize the setting value before returning errors.

 * @param boolean $hide_on_update If set to true errors will not be shown if the settings page has already been submitted.

 */

function settings_errors( $setting = '', $sanitize = FALSE, $hide_on_update = FALSE ) {



	if ($hide_on_update AND $_GET['settings-updated']) return;



	$settings_errors = get_settings_errors( $setting, $sanitize );



	if ( !is_array($settings_errors) ) return;



	$output = '';

	foreach ( $settings_errors as $key => $details ) {

		$css_id = 'setting-error-' . $details['code'];

		$css_class = $details['type'] . ' settings-error';

		$output .= "<div id='$css_id' class='$css_class'> \n";

		$output .= "<p><strong>{$details['message']}</strong></p>";

		$output .= "</div> \n";

	}

	echo $output;

}



/**

 * {@internal Missing Short Description}}

 *

 * @since 2.7.0

 *

 * @param unknown_type $found_action

 */

function find_posts_div($found_action = '') {

?>

	<div id="find-posts" class="find-box" style="display:none;">

		<div id="find-posts-head" class="find-box-head"><?php _e('Find Posts or Pages'); ?></div>

		<div class="find-box-inside">

			<div class="find-box-search">

				<?php if ( $found_action ) { ?>

					<input type="hidden" name="found_action" value="<?php echo esc_attr($found_action); ?>" />

				<?php } ?>



				<input type="hidden" name="affected" id="affected" value="" />

				<?php wp_nonce_field( 'find-posts', '_ajax_nonce', false ); ?>

				<label class="screen-reader-text" for="find-posts-input"><?php _e( 'Search' ); ?></label>

				<input type="text" id="find-posts-input" name="ps" value="" />

				<input type="button" id="find-posts-search" value="<?php esc_attr_e( 'Search' ); ?>" class="button" /><br />



				<?php

				$post_types = get_post_types( array('public' => true), 'objects' );

				foreach ( $post_types as $post ) {

					if ( 'attachment' == $post->name )

						continue;

				?>

				<input type="radio" name="find-posts-what" id="find-posts-<?php echo esc_attr($post->name); ?>" value="<?php echo esc_attr($post->name); ?>" <?php checked($post->name,  'post'); ?> />

				<label for="find-posts-<?php echo esc_attr($post->name); ?>"><?php echo $post->label; ?></label>

				<?php

				} ?>

			</div>

			<div id="find-posts-response"></div>

		</div>

		<div class="find-box-buttons">

			<input id="find-posts-close" type="button" class="button alignleft" value="<?php esc_attr_e('Close'); ?>" />

			<?php submit_button( __( 'Select' ), 'button-primary alignright', 'find-posts-submit', false ); ?>

		</div>

	</div>

<?php

}



/**

 * Display the post password.

 *

 * The password is passed through {@link esc_attr()} to ensure that it

 * is safe for placing in an html attribute.

 *

 * @uses attr

 * @since 2.7.0

 */

function the_post_password() {

	global $post;

	if ( isset( $post->post_password ) ) echo esc_attr( $post->post_password );

}



/**

 * {@internal Missing Short Description}}

 *

 * @since 2.7.0

 */

function favorite_actions( $screen = null ) {

	$default_action = false;



	if ( is_string($screen) )

		$screen = convert_to_screen($screen);



	if ( $screen->is_user )

		return;



	if ( isset($screen->post_type) ) {

		$post_type_object = get_post_type_object($screen->post_type);

		if ( 'add' != $screen->action )

			$default_action = array('post-new.php?post_type=' . $post_type_object->name => array($post_type_object->labels->new_item, $post_type_object->cap->edit_posts));

		else

			$default_action = array('edit.php?post_type=' . $post_type_object->name => array($post_type_object->labels->name, $post_type_object->cap->edit_posts));

	}



	if ( !$default_action ) {

		if ( $screen->is_network ) {

			$default_action = array('sites.php' => array( __('Sites'), 'manage_sites'));

		} else {

			switch ( $screen->id ) {

				case 'upload':

					$default_action = array('media-new.php' => array(__('New Media'), 'upload_files'));

					break;

				case 'media':

					$default_action = array('upload.php' => array(__('Edit Media'), 'upload_files'));

					break;

				case 'link-manager':

				case 'link':

					if ( 'add' != $screen->action )

						$default_action = array('link-add.php' => array(__('New Link'), 'manage_links'));

					else

						$default_action = array('link-manager.php' => array(__('Edit Links'), 'manage_links'));

					break;

				case 'users':

					$default_action = array('user-new.php' => array(__('New User'), 'create_users'));

					break;

				case 'user':

					$default_action = array('users.php' => array(__('Edit Users'), 'edit_users'));

					break;

				case 'plugins':

					$default_action = array('plugin-install.php' => array(__('Install Plugins'), 'install_plugins'));

					break;

				case 'plugin-install':

					$default_action = array('plugins.php' => array(__('Manage Plugins'), 'activate_plugins'));

					break;

				case 'themes':

					$default_action = array('theme-install.php' => array(__('Install Themes'), 'install_themes'));

					break;

				case 'theme-install':

					$default_action = array('themes.php' => array(__('Manage Themes'), 'switch_themes'));

					break;

				default:

					$default_action = array('post-new.php' => array(__('New Post'), 'edit_posts'));

					break;

			}

		}

	}



	if ( !$screen->is_network ) {

		$actions = array(

			'post-new.php' => array(__('New Post'), 'edit_posts'),

			'edit.php?post_status=draft' => array(__('Drafts'), 'edit_posts'),

			'post-new.php?post_type=page' => array(__('New Page'), 'edit_pages'),

			'media-new.php' => array(__('Upload'), 'upload_files'),

			'edit-comments.php' => array(__('Comments'), 'moderate_comments')

			);

	} else {

		$actions = array(

			'sites.php' => array( __('Sites'), 'manage_sites'),

			'users.php' => array( __('Users'), 'manage_network_users')

		);

	}



	$default_key = array_keys($default_action);

	$default_key = $default_key[0];

	if ( isset($actions[$default_key]) )

		unset($actions[$default_key]);

	$actions = array_merge($default_action, $actions);

	$actions = apply_filters( 'favorite_actions', $actions, $screen );



	$allowed_actions = array();

	foreach ( $actions as $action => $data ) {

		if ( current_user_can($data[1]) )

			$allowed_actions[$action] = $data[0];

	}



	if ( empty($allowed_actions) )

		return;



	$first = array_keys($allowed_actions);

	$first = $first[0];

	echo '<div id="favorite-actions">';

	echo '<div id="favorite-first"><a href="' . $first . '">' . $allowed_actions[$first] . '</a></div><div id="favorite-toggle"><br /></div>';

	echo '<div id="favorite-inside">';



	array_shift($allowed_actions);



	foreach ( $allowed_actions as $action => $label) {

		echo "<div class='favorite-action'><a href='$action'>";

		echo $label;

		echo "</a></div>\n";

	}

	echo "</div></div>\n";

}



/**

 * Get the post title.

 *

 * The post title is fetched and if it is blank then a default string is

 * returned.

 *

 * @since 2.7.0

 * @param int $post_id The post id. If not supplied the global $post is used.

 * @return string The post title if set

 */

function _draft_or_post_title( $post_id = 0 ) {

	$title = get_the_title($post_id);

	if ( empty($title) )

		$title = __('(no title)');

	return $title;

}



/**

 * Display the search query.

 *

 * A simple wrapper to display the "s" parameter in a GET URI. This function

 * should only be used when {@link the_search_query()} cannot.

 *

 * @uses attr

 * @since 2.7.0

 *

 */

function _admin_search_query() {

	echo isset($_REQUEST['s']) ? esc_attr( stripslashes( $_REQUEST['s'] ) ) : '';

}



/**

 * Generic Iframe header for use with Thickbox

 *

 * @since 2.7.0

 * @param string $title Title of the Iframe page.

 * @param bool $limit_styles Limit styles to colour-related styles only (unless others are enqueued).

 *

 */

function iframe_header( $title = '', $limit_styles = false ) {

	show_admin_bar( false );

	global $hook_suffix, $current_screen, $current_user, $admin_body_class, $wp_locale;

	$admin_body_class = preg_replace('/[^a-z0-9_-]+/i', '-', $hook_suffix);

	$admin_body_class .= ' iframe';



?><!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">

<html xmlns="http://www.w3.org/1999/xhtml" <?php do_action('admin_xml_ns'); ?> <?php language_attributes(); ?>>

<head>

<meta http-equiv="Content-Type" content="<?php bloginfo('html_type'); ?>; charset=<?php echo get_option('blog_charset'); ?>" />

<title><?php bloginfo('name') ?> &rsaquo; <?php echo $title ?> &#8212; <?php _e('WordPress'); ?></title>

<?php

wp_enqueue_style( 'global' );

if ( ! $limit_styles )

	wp_enqueue_style( 'wp-admin' );

wp_enqueue_style( 'colors' );

?>

<script type="text/javascript">

//<![CDATA[

addLoadEvent = function(func){if(typeof jQuery!="undefined")jQuery(document).ready(func);else if(typeof wpOnload!='function'){wpOnload=func;}else{var oldonload=wpOnload;wpOnload=function(){oldonload();func();}}};

function tb_close(){var win=window.dialogArguments||opener||parent||top;win.tb_remove();}

var userSettings = {

		'url': '<?php echo SITECOOKIEPATH; ?>',

		'uid': '<?php if ( ! isset($current_user) ) $current_user = wp_get_current_user(); echo $current_user->ID; ?>',

		'time':'<?php echo time() ?>'

	},

	ajaxurl = '<?php echo admin_url('admin-ajax.php'); ?>',

	pagenow = '<?php echo $current_screen->id; ?>',

	typenow = '<?php if ( isset($current_screen->post_type) ) echo $current_screen->post_type; ?>',

	adminpage = '<?php echo $admin_body_class; ?>',

	thousandsSeparator = '<?php echo addslashes( $wp_locale->number_format['thousands_sep'] ); ?>',

	decimalPoint = '<?php echo addslashes( $wp_locale->number_format['decimal_point'] ); ?>',

	isRtl = <?php echo (int) is_rtl(); ?>;

//]]>

</script>

<?php

do_action('admin_enqueue_scripts', $hook_suffix);

do_action("admin_print_styles-$hook_suffix");

do_action('admin_print_styles');

do_action("admin_print_scripts-$hook_suffix");

do_action('admin_print_scripts');

do_action("admin_head-$hook_suffix");

do_action('admin_head');

?>

</head>

<body<?php if ( isset($GLOBALS['body_id']) ) echo ' id="' . $GLOBALS['body_id'] . '"'; ?>  class="no-js <?php echo $admin_body_class; ?>">

<script type="text/javascript">

//<![CDATA[

(function(){

var c = document.body.className;

c = c.replace(/no-js/, 'js');

document.body.className = c;

})();

//]]>

</script>

<?php

}



/**

 * Generic Iframe footer for use with Thickbox

 *

 * @since 2.7.0

 *

 */

function iframe_footer() {

	//We're going to hide any footer output on iframe pages, but run the hooks anyway since they output Javascript or other needed content. ?>

	<div class="hidden">

<?php

	do_action('admin_footer', '');

	do_action('admin_print_footer_scripts'); ?>

	</div>

<script type="text/javascript">if(typeof wpOnload=="function")wpOnload();</script>

</body>

</html>

<?php

}



function _post_states($post) {

	$post_states = array();

	if ( isset($_GET['post_status']) )

		$post_status = $_GET['post_status'];

	else

		$post_status = '';



	if ( !empty($post->post_password) )

		$post_states['protected'] = __('Password protected');

	if ( 'private' == $post->post_status && 'private' != $post_status )

		$post_states['private'] = __('Private');

	if ( 'draft' == $post->post_status && 'draft' != $post_status )

		$post_states['draft'] = __('Draft');

	if ( 'pending' == $post->post_status && 'pending' != $post_status )

		/* translators: post state */

		$post_states['pending'] = _x('Pending', 'post state');

	if ( is_sticky($post->ID) )

		$post_states['sticky'] = __('Sticky');



	$post_states = apply_filters( 'display_post_states', $post_states );



	if ( ! empty($post_states) ) {

		$state_count = count($post_states);

		$i = 0;

		echo ' - ';

		foreach ( $post_states as $state ) {

			++$i;

			( $i == $state_count ) ? $sep = '' : $sep = ', ';

			echo "<span class='post-state'>$state$sep</span>";

		}

	}



	if ( get_post_format( $post->ID ) )

		echo ' - <span class="post-state-format">' . get_post_format_string( get_post_format( $post->ID ) ) . '</span>';

}



function _media_states( $post ) {

	$media_states = array();

	$stylesheet = get_option('stylesheet');



	if ( current_theme_supports( 'custom-header') ) {

		$meta_header = get_post_meta($post->ID, '_wp_attachment_is_custom_header', true );

		if ( ! empty( $meta_header ) && $meta_header == $stylesheet )

			$media_states[] = __( 'Header Image' );

	}



	if ( current_theme_supports( 'custom-background') ) {

		$meta_background = get_post_meta($post->ID, '_wp_attachment_is_custom_background', true );

		if ( ! empty( $meta_background ) && $meta_background == $stylesheet )

			$media_states[] = __( 'Background Image' );

	}



	$media_states = apply_filters( 'display_media_states', $media_states );



	if ( ! empty( $media_states ) ) {

		$state_count = count( $media_states );

		$i = 0;

		echo ' - ';

		foreach ( $media_states as $state ) {

			++$i;

			( $i == $state_count ) ? $sep = '' : $sep = ', ';

			echo "<span class='post-state'>$state$sep</span>";

		}

	}

}



/**

 * Convert a screen string to a screen object

 *

 * @since 3.0.0

 *

 * @param string $screen The name of the screen

 * @return object An object containing the safe screen name and id

 */

function convert_to_screen( $screen ) {

	$screen = str_replace( array('.php', '-new', '-add', '-network', '-user' ), '', $screen);



	if ( is_network_admin() )

		$screen .= '-network';

	elseif ( is_user_admin() )

		$screen .= '-user';



	$screen = (string) apply_filters( 'screen_meta_screen', $screen );

	$screen = (object) array('id' => $screen, 'base' => $screen);

	return $screen;

}



function screen_meta($screen) {

	global $wp_meta_boxes, $_wp_contextual_help, $wp_list_table, $wp_current_screen_options;



	if ( is_string($screen) )

		$screen = convert_to_screen($screen);



	$columns = get_column_headers( $screen );

	$hidden = get_hidden_columns( $screen );



	$meta_screens = array('index' => 'dashboard');



	if ( isset($meta_screens[$screen->id]) ) {

		$screen->id = $meta_screens[$screen->id];

		$screen->base = $screen->id;

	}



	$show_screen = false;

	if ( !empty($wp_meta_boxes[$screen->id]) || !empty($columns) )

		$show_screen = true;



	$screen_options = screen_options($screen);

	if ( $screen_options )

		$show_screen = true;



	if ( !isset($_wp_contextual_help) )

		$_wp_contextual_help = array();



	$settings = apply_filters('screen_settings', '', $screen);



	switch ( $screen->id ) {

		case 'widgets':

			$settings = '<p><a id="access-on" href="widgets.php?widgets-access=on">' . __('Enable accessibility mode') . '</a><a id="access-off" href="widgets.php?widgets-access=off">' . __('Disable accessibility mode') . "</a></p>\n";

			$show_screen = true;

			break;

	}

	if ( ! empty( $settings ) )

		$show_screen = true;



	if ( !empty($wp_current_screen_options) )

		$show_screen = true;



	$show_screen = apply_filters('screen_options_show_screen', $show_screen, $screen);



?>

<div id="screen-meta">

<?php if ( $show_screen ) : ?>

<div id="screen-options-wrap" class="hidden">

	<form id="adv-settings" action="" method="post">

	<?php if ( isset($wp_meta_boxes[$screen->id]) ) : ?>

		<h5><?php _ex('Show on screen', 'Metaboxes') ?></h5>

		<div class="metabox-prefs">

			<?php meta_box_prefs($screen); ?>

			<br class="clear" />

		</div>

		<?php endif;

		if ( ! empty($columns) ) : ?>

		<h5><?php echo ( isset( $columns['_title'] ) ?  $columns['_title'] :  _x('Show on screen', 'Columns') ) ?></h5>

		<div class="metabox-prefs">

<?php

	$special = array('_title', 'cb', 'comment', 'media', 'name', 'title', 'username', 'blogname');



	foreach ( $columns as $column => $title ) {

		// Can't hide these for they are special

		if ( in_array( $column, $special ) )

			continue;

		if ( empty( $title ) )

			continue;



		if ( 'comments' == $column )

			$title = __( 'Comments' );

		$id = "$column-hide";

		echo '<label for="' . $id . '">';

		echo '<input class="hide-column-tog" name="' . $id . '" type="checkbox" id="' . $id . '" value="' . $column . '"' . checked( !in_array($column, $hidden), true, false ) . ' />';

		echo "$title</label>\n";

	}

?>

			<br class="clear" />

		</div>

	<?php endif;

	echo screen_layout($screen);



	if ( !empty( $screen_options ) ) {

		?>

		<h5><?php _ex('Show on screen', 'Screen Options') ?></h5>

		<?php

	}



	echo $screen_options;

	echo $settings; ?>

<div><?php wp_nonce_field( 'screen-options-nonce', 'screenoptionnonce', false ); ?></div>

</form>

</div>



<?php endif; // $show_screen



	$_wp_contextual_help = apply_filters('contextual_help_list', $_wp_contextual_help, $screen);

	?>

	<div id="contextual-help-wrap" class="hidden">

	<?php

	$contextual_help = '';

	if ( isset($_wp_contextual_help[$screen->id]) ) {

		$contextual_help .= '<div class="metabox-prefs">' . $_wp_contextual_help[$screen->id] . "</div>\n";

	} else {

		$contextual_help .= '<div class="metabox-prefs">';

		$default_help = __('<a href="http://codex.wordpress.org/" target="_blank">Documentation</a>');

		$default_help .= '<br />';

		$default_help .= __('<a href="http://wordpress.org/support/" target="_blank">Support Forums</a>');

		$contextual_help .= apply_filters('default_contextual_help', $default_help);

		$contextual_help .= "</div>\n";

	}



	echo apply_filters('contextual_help', $contextual_help, $screen->id, $screen);

	?>

	</div>



<div id="screen-meta-links">

<div id="contextual-help-link-wrap" class="hide-if-no-js screen-meta-toggle">

<a href="#contextual-help" id="contextual-help-link" class="show-settings"><?php _e('Help') ?></a>

</div>

<?php if ( $show_screen ) { ?>

<div id="screen-options-link-wrap" class="hide-if-no-js screen-meta-toggle">

<a href="#screen-options" id="show-settings-link" class="show-settings"><?php _e('Screen Options') ?></a>

</div>

<?php } ?>

</div>

</div>

<?php

}



/**

 * Add contextual help text for a page

 *

 * @since 2.7.0

 *

 * @param string $screen The handle for the screen to add help to.  This is usually the hook name returned by the add_*_page() functions.

 * @param string $help Arbitrary help text

 */

function add_contextual_help($screen, $help) {

	global $_wp_contextual_help;



	if ( is_string($screen) )

		$screen = convert_to_screen($screen);



	if ( !isset($_wp_contextual_help) )

		$_wp_contextual_help = array();



	$_wp_contextual_help[$screen->id] = $help;

}



function screen_layout($screen) {

	global $screen_layout_columns, $wp_current_screen_options;



	if ( is_string($screen) )

		$screen = convert_to_screen($screen);



	// Back compat for plugins using the filter instead of add_screen_option()

	$columns = apply_filters('screen_layout_columns', array(), $screen->id, $screen);

	if ( !empty($columns) && isset($columns[$screen->id]) )

		add_screen_option('layout_columns', array('max' => $columns[$screen->id]) );



	if ( !isset($wp_current_screen_options['layout_columns']) ) {

		$screen_layout_columns = 0;

		return '';

	}



	$screen_layout_columns = get_user_option("screen_layout_$screen->id");

	$num = $wp_current_screen_options['layout_columns']['max'];



	if ( ! $screen_layout_columns ) {

		if ( isset($wp_current_screen_options['layout_columns']['default']) )

			$screen_layout_columns = $wp_current_screen_options['layout_columns']['default'];

		else

			$screen_layout_columns = 2;

	}



	$i = 1;

	$return = '<h5>' . __('Screen Layout') . "</h5>\n<div class='columns-prefs'>" . __('Number of Columns:') . "\n";

	while ( $i <= $num ) {

		$return .= "<label><input type='radio' name='screen_columns' value='$i'" . ( ($screen_layout_columns == $i) ? " checked='checked'" : "" ) . " /> $i</label>\n";

		++$i;

	}

	$return .= "</div>\n";

	return $return;

}



/**

 * Register and configure an admin screen option

 *

 * @since 3.1.0

 *

 * @param string $option An option name.

 * @param mixed $args Option dependent arguments

 * @return void

 */

function add_screen_option( $option, $args = array() ) {

	global $wp_current_screen_options;



	if ( !isset($wp_current_screen_options) )

		$wp_current_screen_options = array();



	$wp_current_screen_options[$option] = $args;

}



function screen_options($screen) {

	global $wp_current_screen_options;



	if ( is_string($screen) )

		$screen = convert_to_screen($screen);



	if ( !isset($wp_current_screen_options['per_page']) )

		return '';



	$per_page_label = $wp_current_screen_options['per_page']['label'];



	if ( empty($wp_current_screen_options['per_page']['option']) ) {

		$option = str_replace( '-', '_', "{$screen->id}_per_page" );

	} else {

		$option = $wp_current_screen_options['per_page']['option'];

	}



	$per_page = (int) get_user_option( $option );

	if ( empty( $per_page ) || $per_page < 1 ) {

		if ( isset($wp_current_screen_options['per_page']['default']) )

			$per_page = $wp_current_screen_options['per_page']['default'];

		else

			$per_page = 20;

	}



	if ( 'edit_comments_per_page' == $option )

		$per_page = apply_filters( 'comments_per_page', $per_page, isset($_REQUEST['comment_status']) ? $_REQUEST['comment_status'] : 'all' );

	elseif ( 'categories_per_page' == $option )

		$per_page = apply_filters( 'edit_categories_per_page', $per_page );

	else

		$per_page = apply_filters( $option, $per_page );



	// Back compat

	if ( isset( $screen->post_type ) )

		$per_page = apply_filters( 'edit_posts_per_page', $per_page, $screen->post_type );



	$return = "<div class='screen-options'>\n";

	if ( !empty($per_page_label) )

		$return .= "<input type='text' class='screen-per-page' name='wp_screen_options[value]' id='$option' maxlength='3' value='$per_page' /> <label for='$option'>$per_page_label</label>\n";

	$return .= get_submit_button( __( 'Apply' ), 'button', 'screen-options-apply', false );

	$return .= "<input type='hidden' name='wp_screen_options[option]' value='" . esc_attr($option) . "' />";

	$return .= "</div>\n";

	return $return;

}



function screen_icon( $screen = '' ) {

	echo get_screen_icon( $screen );

}



function get_screen_icon( $screen = '' ) {

	global $current_screen, $typenow;



	if ( empty($screen) )

		$screen = $current_screen;

	elseif ( is_string($screen) )

		$name = $screen;



	$class = 'icon32';



	if ( empty($name) ) {

		if ( !empty($screen->parent_base) )

			$name = $screen->parent_base;

		else

			$name = $screen->base;



		if ( 'edit' == $name && isset($screen->post_type) && 'page' == $screen->post_type )

			$name = 'edit-pages';



		$post_type = '';

		if ( isset( $screen->post_type ) )

			$post_type = $screen->post_type;

		elseif ( $current_screen == $screen )

			$post_type = $typenow;

		if ( $post_type )

			$class .= ' ' . sanitize_html_class( 'icon32-posts-' . $post_type );

	}



	return '<div id="icon-' . esc_attr( $name ) . '" class="' . $class . '"><br /></div>';

}



/**

 * Test support for compressing JavaScript from PHP

 *

 * Outputs JavaScript that tests if compression from PHP works as expected

 * and sets an option with the result. Has no effect when the current user

 * is not an administrator. To run the test again the option 'can_compress_scripts'

 * has to be deleted.

 *

 * @since 2.8.0

 */

function compression_test() {

?>

	<script type="text/javascript">

	/* <![CDATA[ */

	var testCompression = {

		get : function(test) {

			var x;

			if ( window.XMLHttpRequest ) {

				x = new XMLHttpRequest();

			} else {

				try{x=new ActiveXObject('Msxml2.XMLHTTP');}catch(e){try{x=new ActiveXObject('Microsoft.XMLHTTP');}catch(e){};}

			}



			if (x) {

				x.onreadystatechange = function() {

					var r, h;

					if ( x.readyState == 4 ) {

						r = x.responseText.substr(0, 18);

						h = x.getResponseHeader('Content-Encoding');

						testCompression.check(r, h, test);

					}

				}



				x.open('GET', ajaxurl + '?action=wp-compression-test&test='+test+'&'+(new Date()).getTime(), true);

				x.send('');

			}

		},



		check : function(r, h, test) {

			if ( ! r && ! test )

				this.get(1);



			if ( 1 == test ) {

				if ( h && ( h.match(/deflate/i) || h.match(/gzip/i) ) )

					this.get('no');

				else

					this.get(2);



				return;

			}



			if ( 2 == test ) {

				if ( '"wpCompressionTest' == r )

					this.get('yes');

				else

					this.get('no');

			}

		}

	};

	testCompression.check();

	/* ]]> */

	</script>

<?php

}



/**

 *  Get the current screen object

 *

 *  @since 3.1.0

 *

 * @return object Current screen object

 */

function get_current_screen() {

	global $current_screen;



	if ( !isset($current_screen) )

		return null;



	return $current_screen;

}



/**

 * Set the current screen object

 *

 * @since 3.0.0

 *

 * @uses $current_screen

 *

 * @param string $id Screen id, optional.

 */

function set_current_screen( $id =  '' ) {

	global $current_screen, $hook_suffix, $typenow, $taxnow;



	$action = '';



	if ( empty($id) ) {

		$current_screen = $hook_suffix;

		$current_screen = str_replace('.php', '', $current_screen);

		if ( preg_match('/-add|-new$/', $current_screen) )

			$action = 'add';

		$current_screen = str_replace('-new', '', $current_screen);

		$current_screen = str_replace('-add', '', $current_screen);

		$current_screen = array('id' => $current_screen, 'base' => $current_screen);

	} else {

		$id = sanitize_key($id);

		if ( false !== strpos($id, '-') ) {

			list( $id, $typenow ) = explode('-', $id, 2);

			if ( taxonomy_exists( $typenow ) ) {

				$id = 'edit-tags';

				$taxnow = $typenow;

				$typenow = '';

			}

		}

		$current_screen = array('id' => $id, 'base' => $id);

	}



	$current_screen = (object) $current_screen;



	$current_screen->action = $action;



	// Map index to dashboard

	if ( 'index' == $current_screen->base )

		$current_screen->base = 'dashboard';

	if ( 'index' == $current_screen->id )

		$current_screen->id = 'dashboard';



	if ( 'edit' == $current_screen->id ) {

		if ( empty($typenow) )

			$typenow = 'post';

		$current_screen->id .= '-' . $typenow;

		$current_screen->post_type = $typenow;

	} elseif ( 'post' == $current_screen->id ) {

		if ( empty($typenow) )

			$typenow = 'post';

		$current_screen->id = $typenow;

		$current_screen->post_type = $typenow;

	} elseif ( 'edit-tags' == $current_screen->id ) {

		if ( empty($taxnow) )

			$taxnow = 'post_tag';

		$current_screen->id = 'edit-' . $taxnow;

		$current_screen->taxonomy = $taxnow;

	}



	$current_screen->is_network = is_network_admin();

	$current_screen->is_user = is_user_admin();



	if ( $current_screen->is_network ) {

		$current_screen->base .= '-network';

		$current_screen->id .= '-network';

	} elseif ( $current_screen->is_user ) {

		$current_screen->base .= '-user';

		$current_screen->id .= '-user';

	}



	$current_screen = apply_filters('current_screen', $current_screen);

}



/**

 * Echos a submit button, with provided text and appropriate class

 *

 * @since 3.1.0

 *

 * @param string $text The text of the button (defaults to 'Save Changes')

 * @param string $type The type of button. One of: primary, secondary, delete

 * @param string $name The HTML name of the submit button. Defaults to "submit". If no id attribute

 *               is given in $other_attributes below, $name will be used as the button's id.

 * @param bool $wrap True if the output button should be wrapped in a paragraph tag,

 * 			   false otherwise. Defaults to true

 * @param array|string $other_attributes Other attributes that should be output with the button,

 *                     mapping attributes to their values, such as array( 'tabindex' => '1' ).

 *                     These attributes will be ouput as attribute="value", such as tabindex="1".

 *                     Defaults to no other attributes. Other attributes can also be provided as a

 *                     string such as 'tabindex="1"', though the array format is typically cleaner.

 */

function submit_button( $text = NULL, $type = 'primary', $name = 'submit', $wrap = true, $other_attributes = NULL ) {

	echo get_submit_button( $text, $type, $name, $wrap, $other_attributes );

}



/**

 * Returns a submit button, with provided text and appropriate class

 *

 * @since 3.1.0

 *

 * @param string $text The text of the button (defaults to 'Save Changes')

 * @param string $type The type of button. One of: primary, secondary, delete

 * @param string $name The HTML name of the submit button. Defaults to "submit". If no id attribute

 *               is given in $other_attributes below, $name will be used as the button's id.

 * @param bool $wrap True if the output button should be wrapped in a paragraph tag,

 * 			   false otherwise. Defaults to true

 * @param array|string $other_attributes Other attributes that should be output with the button,

 *                     mapping attributes to their values, such as array( 'tabindex' => '1' ).

 *                     These attributes will be ouput as attribute="value", such as tabindex="1".

 *                     Defaults to no other attributes. Other attributes can also be provided as a

 *                     string such as 'tabindex="1"', though the array format is typically cleaner.

 */

function get_submit_button( $text = NULL, $type = 'primary', $name = 'submit', $wrap = true, $other_attributes = NULL ) {

	switch ( $type ) :

		case 'primary' :

		case 'secondary' :

			$class = 'button-' . $type;

			break;

		case 'delete' :

			$class = 'button-secondary delete';

			break;

		default :

			$class = $type; // Custom cases can just pass in the classes they want to be used

	endswitch;

	$text = ( NULL == $text ) ? __( 'Save Changes' ) : $text;



	// Default the id attribute to $name unless an id was specifically provided in $other_attributes

	$id = $name;

	if ( is_array( $other_attributes ) && isset( $other_attributes['id'] ) ) {

		$id = $other_attributes['id'];

		unset( $other_attributes['id'] );

	}



	$attributes = '';

	if ( is_array( $other_attributes ) ) {

		foreach ( $other_attributes as $attribute => $value ) {

			$attributes .= $attribute . '="' . esc_attr( $value ) . '" '; // Trailing space is important

		}

	} else if ( !empty( $other_attributes ) ) { // Attributes provided as a string

		$attributes = $other_attributes;

	}



	$button = '<input type="submit" name="' . esc_attr( $name ) . '" id="' . esc_attr( $id ) . '" class="' . esc_attr( $class );

	$button	.= '" value="' . esc_attr( $text ) . '" ' . $attributes . ' />';



	if ( $wrap ) {

		$button = '<p class="submit">' . $button . '</p>';

	}



	return $button;

}