/inc/extras.php

<?php
/**
 * Custom functions that act independently of the theme templates
 *
 * Eventually, some of the functionality here could be replaced by core features
 *
 * @package nopasare
 */

/**
 * Get our wp_nav_menu() fallback, wp_page_menu(), to show a home link.
 *
 * @param array $args Configuration arguments.
 * @return array
 */
function wrong_page_menu_args( $args ) {
	$args['show_home'] = true;
	return $args;
}
add_filter( 'wp_page_menu_args', 'wrong_page_menu_args' );

/**
 * Adds custom classes to the array of body classes.
 *
 * @param array $classes Classes for the body element.
 * @return array
 */
function wrong_body_classes( $classes ) {
	// Adds a class of group-blog to blogs with more than 1 published author.
	if ( is_multi_author() ) {
		$classes[] = 'group-blog';
	}
	if ( is_front_page() ) {
		$classes[] = 'has-slider';
	}

	return $classes;
}
add_filter( 'body_class', 'wrong_body_classes' );

/**
 * Filters wp_title to print a neat <title> tag based on what is being viewed.
 *
 * @param string $title Default title text for current view.
 * @param string $sep Optional separator.
 * @return string The filtered title.
 */
function wrong_wp_title( $title, $sep ) {
	if ( is_feed() ) {
		return $title;
	}

	global $page, $paged;

	// Add the blog name
	$title .= get_bloginfo( 'name', 'display' );

	// Add the blog description for the home/front page.
	$site_description = get_bloginfo( 'description', 'display' );
	if ( $site_description && ( is_home() || is_front_page() ) ) {
		$title .= " $sep $site_description";
	}

	// Add a page number if necessary:
	if ( ( $paged >= 2 || $page >= 2 ) && ! is_404() ) {
		$title .= " $sep " . sprintf( __( 'Page %s', 'nopasare' ), max( $paged, $page ) );
	}

	return $title;
}
add_filter( 'wp_title', 'wrong_wp_title', 10, 2 );

/**
 * Sets the authordata global when viewing an author archive.
 *
 * This provides backwards compatibility with
 * http://core.trac.wordpress.org/changeset/25574
 *
 * It removes the need to call the_post() and rewind_posts() in an author
 * template to print information about the author.
 *
 * @global WP_Query $wp_query WordPress Query object.
 * @return void
 */
function wrong_setup_author() {
	global $wp_query;

	if ( $wp_query->is_author() && isset( $wp_query->post ) ) {
		$GLOBALS['authordata'] = get_userdata( $wp_query->post->post_author );
	}
}
add_action( 'wp', 'wrong_setup_author' );
global $wp_embed;
add_filter( 'the_excerpt', array( $wp_embed, 'autoembed' ), 9 );

function add_linkpages_content( $content ) {
	$pages = wp_link_pages(
		array(
			'before' => '<div>' . __( 'Page: ', 'wrong' ),
			'after' => '</div>',
			'echo' => false,
		)
	);
	if ( ! $pages ) {
		return $content . $pages;
	}
	return $content;
}
add_filter( 'the_content', 'add_linkpages_content' );

add_filter( 'the_password_form', 'my_password_form' );
function my_password_form() {
	global $post;

	$form = '
	<form class="password-form" action="/wp-login.php?action=postpass" method="post">
	<p>' . __( 'This post is password protected. To read it please enter the password below.' ) . '</p>
	<input type="password" value="" name="post_password" id="password-' . $post->ID . '"/>
	</form>';
	return $form;
}

add_action( 'widgets_init', 'extended_archive_widget' );
function extended_archive_widget() {
	register_widget( 'x_archives' );
}

class x_archives extends WP_Widget
{
	function __construct() {
		$widget_ops = array(
			'classname'   => 'archives_extended',
			'description' => 'Extended archives with additional options.',
			);
		parent::__construct( 'x_archive_widget', 'Archives', $widget_ops );
	} # __construct()

	function widget( $args, $instance ) {
		extract( $args );
		$limit = ( empty( $instance['limit'] ) ) ? '12' : $instance['limit'];
		$type  = ( empty( $instance['type'] ) ) ? 'monthly' : $instance['type'];
		$title = apply_filters( 'widget_title', empty( $instance['title'] ) ? __( 'Archives' ) : $instance['title'], $instance, $this->id_base );

		$content = wp_get_archives( array(
			'type'            => $type,
			'limit'           => $limit,
			'format'          => 'html',
			'before'          => '',
			'after'           => '',
			'show_post_count' => false,
			'echo'            => 0,
			'order'           => 'DESC',
		) );

		$output = $before_widget . $before_title . $title . $after_title . '<ul class="archive">' . $content .'</ul>' . $after_widget;
		echo $output;
	} # widget()

	function update( $new_instance, $old_instance ) {
		$instance = $old_instance;
		$new_instance = wp_parse_args( (array) $new_instance, array( 'title' => 'Archives', 'type' => '', 'limit' => '' ) );
		$instance['title'] = $new_instance['title'];
		$instance['limit'] = $new_instance['limit'];
		$instance['type'] = $new_instance['type'];
		return $instance;
	}

	function form( $instance ) {
		$instance = wp_parse_args( (array) $instance, array( 'title', 'limit', 'type' ) );
		$title = $instance['title'];
		$limit = $instance['limit'];
		$type = $instance['type'];
		$types = array(
			'Post' => 'postbypost',
			'Daily' => 'daily',
			'Weekly' => 'weekly',
			'Monthly' => 'monthly',
		); ?>
			<label for="<?php echo $this->get_field_id( 'title' ); ?>"><?php _e( 'Title:' ); ?></label>
			<input id="<?php echo $this->get_field_id( 'title' ); ?>" class="widefat" name="<?php echo $this->get_field_name( 'title' ); ?>" type="text" value="<?php echo $title; ?>" />
			<label for="<?php echo $this->get_field_id( 'limit' ); ?>"><?php _e( 'Limit:' ); ?></label>
			<input id="<?php echo $this->get_field_id( 'limit' ); ?>" class="widefat" name="<?php echo $this->get_field_name( 'limit' ); ?>" type="text" value="<?php echo $limit; ?>" />
			<label for="<?php echo $this->get_field_id( 'type' ); ?>"><?php _e( 'Type:' ); ?></label>
			<select id="<?php echo $this->get_field_id( 'type' ); ?>" name="<?php echo $this->get_field_name( 'type' ); ?>">
			<?php foreach ( $types as $key => $typo ) {
				echo '<option value=' . $typo;
				selected( $type, $typo );
				echo ">$key</option>";
			} ?>
			</select>
	<?php
	} # form()
} # widget class

add_action( 'theme_footer_section', 'my_theme_extra_footer' );
function my_theme_extra_footer() {
	echo get_theme_mod( 'footer_setting', 'Add additional information here' );
}

remove_action( 'wp_head', 'feed_links_extra', 3 );
remove_action( 'wp_head', 'feed_links', 2 );
update_option( 'thumbnail_size_w', 460 );
update_option( 'thumbnail_size_h', 460 );