/content/plugins/w3-total-cache/inc/options/referrer.php

<?php
namespace W3TC;

if ( !defined( 'W3TC' ) )
	die();

?>
<?php include W3TC_INC_DIR . '/options/common/header.php'; ?>

<script type="text/javascript">/*<![CDATA[*/
    var referrer_themes = {};
    <?php foreach ( $themes as $theme_key => $theme_name ): ?>
    referrer_themes['<?php echo addslashes( $theme_key ); ?>'] = '<?php echo addslashes( $theme_name ); ?>';
    <?php endforeach; ?>
/*]]>*/</script>

<p>
    <?php _e( 'Referrer group support is always <span class="w3tc-enabled">enabled', 'w3-total-cache' ); ?></span>.
</p>

<form id="referrer_form" action="admin.php?page=<?php echo $this->_page; ?>" method="post">
    <div class="metabox-holder">
        <?php Util_Ui::postbox_header( __( 'Manage Referrer Groups', 'w3-total-cache' ), '', 'manage' ); ?>
        <p>
            <input id="referrer_add" type="button" class="button" value="<?php _e( 'Create a group', 'w3-total-cache' ); ?>" /> <?php _e( 'of referrers by specifying names in the referrers field. Assign a set of referrers to use a specific theme, redirect them to another domain, create referrer groups to ensure that a unique cache is created for each referrer group. Drag and drop groups into order (if needed) to determine their priority (top -&gt; down).', 'w3-total-cache' ); ?>
        </p>

        <ul id="referrer_groups">
            <?php $index = 0; foreach ( $groups as $group => $group_config ): $index++; ?>
            <li id="referrer_group_<?php echo esc_attr( $group ); ?>">
                <table class="form-table">
                    <tr>
                        <th>
                            <?php _e( 'Group name:', 'w3-total-cache' ); ?>
                        </th>
                        <td>
                            <span class="referrer_group_number"><?php echo $index; ?>.</span> <span class="referrer_group"><?php echo htmlspecialchars( $group ); ?></span> <input type="button" class="button referrer_delete" value="<?php _e( 'Delete group', 'w3-total-cache' ); ?>" />
                        </td>
                    </tr>
                    <tr>
                        <th>
                            <label for="referrer_groups_<?php echo esc_attr( $group ); ?>_enabled"><?php _e( 'Enabled:', 'w3-total-cache' ); ?></label>
                        </th>
                        <td>
                            <input type="hidden" name="referrer_groups[<?php echo esc_attr( $group ); ?>][enabled]" value="0" />
                            <input id="referrer_groups_<?php echo esc_attr( $group ); ?>_enabled" type="checkbox" name="referrer_groups[<?php echo esc_attr( $group ); ?>][enabled]" value="1"<?php checked( $group_config['enabled'], true ); ?> />
                        </td>
                    </tr>
                    <tr>
                        <th>
                            <label for="referrer_groups_<?php echo esc_attr( $group ); ?>_theme"><?php _e( 'Theme:', 'w3-total-cache' ); ?></label>
                        </th>
                        <td>
                            <select id="referrer_groups_<?php echo esc_attr( $group ); ?>_theme" name="referrer_groups[<?php echo esc_attr( $group ); ?>][theme]">
                                <option value=""><?php _e( '-- Pass-through --', 'w3-total-cache' ); ?></option>
                                <?php foreach ( $themes as $theme_key => $theme_name ): ?>
                                <option value="<?php echo esc_attr( $theme_key ); ?>"<?php selected( $theme_key, $group_config['theme'] ); ?>><?php echo htmlspecialchars( $theme_name ); ?></option>
                                <?php endforeach; ?>
                            </select>
                            <br /><span class="description"><?php _e( 'Assign this group of referrers to a specific theme. Selecting "Pass-through" allows any plugin(s) (e.g. referrer plugins) to properly handle requests for these referrers. If the "redirect users to" field is not empty, this setting is ignored.', 'w3-total-cache' ); ?></span>
                        </td>
                    </tr>
                    <tr>
                        <th>
                            <label for="referrer_groups_<?php echo esc_attr( $group ); ?>_redirect"><?php _e( 'Redirect users to:', 'w3-total-cache' ); ?></label>
                        </th>
                        <td>
                            <input id="referrer_groups_<?php echo esc_attr( $group ); ?>_redirect" type="text" name="referrer_groups[<?php echo esc_attr( $group ); ?>][redirect]" value="<?php echo esc_attr( $group_config['redirect'] ); ?>" size="60" />
                            <br /><span class="description"><?php _e( 'A 302 redirect is used to send this group of referrers to another hostname (domain).', 'w3-total-cache' ); ?></span>
                        </td>
                    </tr>
                    <tr>
                        <th>
                            <label for="referrer_groups_<?php echo esc_attr( $group ); ?>_referrers"><?php _e( 'Referrers:', 'w3-total-cache' ); ?></label>
                        </th>
                        <td>
                            <textarea id="referrer_groups_<?php echo esc_attr( $group ); ?>_referrers" name="referrer_groups[<?php echo esc_attr( $group ); ?>][referrers]" rows="10" cols="50"><?php echo esc_textarea( implode( "\r\n", (array) $group_config['referrers'] ) ); ?></textarea>
                            <br /><span class="description"><?php _e( 'Specify the referrers for this group. Remember to escape special characters like spaces, dots or dashes with a backslash. Regular expressions are also supported.', 'w3-total-cache' ); ?></span>
                        </td>
                    </tr>
                </table>
            </li>
            <?php endforeach; ?>
        </ul>
        <div id="referrer_groups_empty" style="display: none;"><?php _e( 'No groups added. All referrers recieve the same page and minify cache results.', 'w3-total-cache' ); ?></div>

        <?php Util_Ui::button_config_save( 'referrers' ); ?>
        <?php Util_Ui::postbox_footer(); ?>
    </div>
</form>

<?php include W3TC_INC_DIR . '/options/common/footer.php'; ?>