WordPress/wp-includes/default-filters.php

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<?php
/**
* Sets up the default filters and actions for most
* of the WordPress hooks.
*
* If you need to remove a default hook, this file will
* give you the priority for which to use to remove the
* hook.
*
* Not all of the default hooks are found in default-filters.php
*
* @package WordPress
*/
// Strip, trim, kses, special chars for string saves
$filters = array('pre_term_name', 'pre_comment_author_name', 'pre_link_name', 'pre_link_target',
'pre_link_rel', 'pre_user_display_name', 'pre_user_first_name', 'pre_user_last_name',
'pre_user_nickname');
foreach ( $filters as $filter ) {
add_filter($filter, 'strip_tags');
add_filter($filter, 'trim');
add_filter($filter, 'wp_filter_kses');
add_filter($filter, 'wp_specialchars', 30);
}
// Kses only for textarea saves
$filters = array('pre_term_description', 'pre_link_description', 'pre_link_notes', 'pre_user_description');
foreach ( $filters as $filter ) {
add_filter($filter, 'wp_filter_kses');
}
// Email
$filters = array('pre_comment_author_email', 'pre_user_email');
foreach ( $filters as $filter ) {
add_filter($filter, 'trim');
add_filter($filter, 'sanitize_email');
add_filter($filter, 'wp_filter_kses');
}
// Save URL
$filters = array('pre_comment_author_url', 'pre_user_url', 'pre_link_url', 'pre_link_image',
'pre_link_rss');
foreach ( $filters as $filter ) {
add_filter($filter, 'strip_tags');
add_filter($filter, 'trim');
add_filter($filter, 'sanitize_url');
add_filter($filter, 'wp_filter_kses');
}
// Display URL
$filters = array('user_url', 'link_url', 'link_image', 'link_rss', 'comment_url');
foreach ( $filters as $filter ) {
add_filter($filter, 'strip_tags');
add_filter($filter, 'trim');
add_filter($filter, 'clean_url');
add_filter($filter, 'wp_filter_kses');
}
// Slugs
$filters = array('pre_term_slug');
foreach ( $filters as $filter ) {
add_filter($filter, 'sanitize_title');
}
// Keys
$filters = array('pre_post_type');
foreach ( $filters as $filter ) {
add_filter($filter, 'sanitize_user');
}
// Places to balance tags on input
$filters = array('content_save_pre', 'excerpt_save_pre', 'comment_save_pre', 'pre_comment_content');
foreach ( $filters as $filter ) {
add_filter( $filter, 'balanceTags', 50);
}
// Format strings for display.
$filters = array('comment_author', 'term_name', 'link_name', 'link_description',
'link_notes', 'bloginfo', 'wp_title');
foreach ( $filters as $filter ) {
add_filter($filter, 'wptexturize');
add_filter($filter, 'convert_chars');
add_filter($filter, 'wp_specialchars');
}
// Format text area for display.
$filters = array('term_description');
foreach ( $filters as $filter ) {
add_filter($filter, 'wptexturize');
add_filter($filter, 'convert_chars');
add_filter($filter, 'wpautop');
}
// Format for RSS
$filters = array('term_name_rss');
foreach ( $filters as $filter ) {
add_filter($filter, 'convert_chars');
}
// Display filters
add_filter('the_title', 'wptexturize');
add_filter('the_title', 'convert_chars');
add_filter('the_title', 'trim');
add_filter('the_content', 'wptexturize');
add_filter('the_content', 'convert_smilies');
add_filter('the_content', 'convert_chars');
add_filter('the_content', 'wpautop');
add_filter('the_content', 'prepend_attachment');
add_filter('the_excerpt', 'wptexturize');
add_filter('the_excerpt', 'convert_smilies');
add_filter('the_excerpt', 'convert_chars');
add_filter('the_excerpt', 'wpautop');
add_filter('get_the_excerpt', 'wp_trim_excerpt');
add_filter('comment_text', 'wptexturize');
add_filter('comment_text', 'convert_chars');
add_filter('comment_text', 'make_clickable', 9);
add_filter('comment_text', 'force_balance_tags', 25);
add_filter('comment_text', 'convert_smilies', 20);
add_filter('comment_text', 'wpautop', 30);
add_filter('comment_excerpt', 'convert_chars');
add_filter('list_cats', 'wptexturize');
add_filter('single_post_title', 'wptexturize');
add_filter('wp_sprintf', 'wp_sprintf_l', 10, 2);
// RSS filters
add_filter('the_title_rss', 'strip_tags');
add_filter('the_title_rss', 'ent2ncr', 8);
add_filter('the_title_rss', 'wp_specialchars');
add_filter('the_content_rss', 'ent2ncr', 8);
add_filter('the_excerpt_rss', 'convert_chars');
add_filter('the_excerpt_rss', 'ent2ncr', 8);
add_filter('comment_author_rss', 'ent2ncr', 8);
add_filter('comment_text_rss', 'ent2ncr', 8);
add_filter('comment_text_rss', 'wp_specialchars');
add_filter('bloginfo_rss', 'ent2ncr', 8);
add_filter('the_author', 'ent2ncr', 8);
// Misc filters
add_filter('option_ping_sites', 'privacy_ping_filter');
add_filter('option_blog_charset', 'wp_specialchars');
add_filter('option_home', '_config_wp_home');
add_filter('option_siteurl', '_config_wp_siteurl');
add_filter('tiny_mce_before_init', '_mce_set_direction');
add_filter('pre_kses', 'wp_pre_kses_less_than');
add_filter('sanitize_title', 'sanitize_title_with_dashes');
add_action('check_comment_flood', 'check_comment_flood_db', 10, 3);
add_filter('comment_flood_filter', 'wp_throttle_comment_flood', 10, 3);
add_filter('pre_comment_content', 'wp_rel_nofollow', 15);
add_filter('comment_email', 'antispambot');
//Atom SSL support
add_filter('atom_service_url','atom_service_url_filter');
// Actions
add_action('wp_head', 'rsd_link');
add_action('wp_head', 'wlwmanifest_link');
add_action('wp_head', 'locale_stylesheet');
add_action('publish_future_post', 'check_and_publish_future_post', 10, 1);
add_action('wp_head', 'noindex', 1);
add_action('wp_head', 'wp_print_scripts');
add_action('wp_head', 'wp_generator');
if(!defined('DOING_CRON'))
add_action('init', 'wp_cron');
add_action('do_feed_rdf', 'do_feed_rdf', 10, 1);
add_action('do_feed_rss', 'do_feed_rss', 10, 1);
add_action('do_feed_rss2', 'do_feed_rss2', 10, 1);
add_action('do_feed_atom', 'do_feed_atom', 10, 1);
add_action('do_pings', 'do_all_pings', 10, 1);
add_action('do_robots', 'do_robots');
add_action('sanitize_comment_cookies', 'sanitize_comment_cookies');
add_action('admin_print_scripts', 'wp_print_scripts', 20);
add_action('admin_print_styles', 'wp_print_styles', 20);
add_action('init', 'smilies_init', 5);
add_action( 'plugins_loaded', 'wp_maybe_load_widgets', 0 );
add_action( 'shutdown', 'wp_ob_end_flush_all', 1);
add_action( 'pre_post_update', 'wp_save_post_revision' );
add_action('publish_post', '_publish_post_hook', 5, 1);
add_action('future_post', '_future_post_hook', 5, 2);
add_action('future_page', '_future_post_hook', 5, 2);
add_action('save_post', '_save_post_hook', 5, 2);
add_action('transition_post_status', '_transition_post_status', 5, 3);
add_action('comment_form', 'wp_comment_form_unfiltered_html_nonce');
// Redirect Old Slugs
add_action('template_redirect', 'wp_old_slug_redirect');
add_action('edit_post', 'wp_check_for_changed_slugs');
add_action('edit_form_advanced', 'wp_remember_old_slug');
?>