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To save our bandwidth, we show only a snippet of code around each occurence of the hook. View complete file in SVN (without highlighting).
The best way to understand what a hook does is to look at where it occurs in the source code.
do_action( "hook_name" )apply_filters( "hook_name", "what_to_filter" ).Remember, this hook may occur in more than one file. Moreover, the hook's context may change from version to version.
This hook occurs 2 times in this file.
| Line | Code |
|---|---|
| 1661 | |
| 1662 | $object_id = (int) $object_id; |
| 1663 | |
| 1664 | if ( !is_array($taxonomies) ) |
| 1665 | $taxonomies = array($taxonomies); |
| 1666 | |
| 1667 | foreach ( (array) $taxonomies as $taxonomy ) { |
| 1668 | $tt_ids = wp_get_object_terms($object_id, $taxonomy, array('fields' => 'tt_ids')); |
| 1669 | $in_tt_ids = "'" . implode("', '", $tt_ids) . "'"; |
| 1670 | do_action( 'delete_term_relationships', $object_id, $tt_ids ); |
| 1671 | $wpdb->query( $wpdb->prepare("DELETE FROM $wpdb->term_relationships WHERE object_id = %d AND term_taxonomy_id IN ($in_tt_ids)", $object_id) ); |
| 1672 | do_action( 'deleted_term_relationships', $object_id, $tt_ids ); |
| 1673 | wp_update_term_count($tt_ids, $taxonomy); |
| 1674 | } |
| 1675 | } |
| 1676 | |
| 1677 | /** |
| 1678 | * Removes a term from the database. |
| 1679 | * |
| Line | Code |
| 2136 | do_action( 'added_term_relationship', $object_id, $tt_id ); |
| 2137 | } |
| 2138 | |
| 2139 | wp_update_term_count($tt_ids, $taxonomy); |
| 2140 | |
| 2141 | if ( ! $append ) { |
| 2142 | $delete_terms = array_diff($old_tt_ids, $tt_ids); |
| 2143 | if ( $delete_terms ) { |
| 2144 | $in_delete_terms = "'" . implode("', '", $delete_terms) . "'"; |
| 2145 | do_action( 'delete_term_relationships', $object_id, $delete_terms ); |
| 2146 | $wpdb->query( $wpdb->prepare("DELETE FROM $wpdb->term_relationships WHERE object_id = %d AND term_taxonomy_id IN ($in_delete_terms)", $object_id) ); |
| 2147 | do_action( 'deleted_term_relationships', $object_id, $delete_terms ); |
| 2148 | wp_update_term_count($delete_terms, $taxonomy); |
| 2149 | } |
| 2150 | } |
| 2151 | |
| 2152 | $t = get_taxonomy($taxonomy); |
| 2153 | if ( ! $append && isset($t->sort) && $t->sort ) { |
| 2154 | $values = array(); |