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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 4 times in this file.
| Line | Code |
|---|---|
| 1381 | $term_group = 0; |
| 1382 | if ( $alias_of ) { |
| 1383 | $alias = $wpdb->get_row( $wpdb->prepare( "SELECT term_id, term_group FROM $wpdb->terms WHERE slug = %s", $alias_of) ); |
| 1384 | if ( $alias->term_group ) { |
| 1385 | // The alias we want is already in a group, so let's use that one. |
| 1386 | $term_group = $alias->term_group; |
| 1387 | } else { |
| 1388 | // The alias isn't in a group, so let's create a new one and firstly add the alias term to it. |
| 1389 | $term_group = $wpdb->get_var("SELECT MAX(term_group) FROM $wpdb->terms") + 1; |
| 1390 | do_action( 'edit_terms', $alias->term_id ); |
| 1391 | $wpdb->update($wpdb->terms, compact('term_group'), array('term_id' => $alias->term_id) ); |
| 1392 | do_action( 'edited_terms', $alias->term_id ); |
| 1393 | } |
| 1394 | } |
| 1395 | |
| 1396 | if ( ! $term_id = is_term($slug) ) { |
| 1397 | if ( false === $wpdb->insert( $wpdb->terms, compact( 'name', 'slug', 'term_group' ) ) ) |
| 1398 | return new WP_Error('db_insert_error', __('Could not insert term into the database'), $wpdb->last_error); |
| 1399 | $term_id = (int) $wpdb->insert_id; |
| Line | Code |
| 1402 | // by incorporating parent slugs. |
| 1403 | $slug = wp_unique_term_slug($slug, (object) $args); |
| 1404 | if ( false === $wpdb->insert( $wpdb->terms, compact( 'name', 'slug', 'term_group' ) ) ) |
| 1405 | return new WP_Error('db_insert_error', __('Could not insert term into the database'), $wpdb->last_error); |
| 1406 | $term_id = (int) $wpdb->insert_id; |
| 1407 | } |
| 1408 | |
| 1409 | if ( empty($slug) ) { |
| 1410 | $slug = sanitize_title($slug, $term_id); |
| 1411 | do_action( 'edit_terms', $term_id ); |
| 1412 | $wpdb->update( $wpdb->terms, compact( 'slug' ), compact( 'term_id' ) ); |
| 1413 | do_action( 'edited_terms', $term_id ); |
| 1414 | } |
| 1415 | |
| 1416 | $tt_id = $wpdb->get_var( $wpdb->prepare( "SELECT tt.term_taxonomy_id FROM $wpdb->term_taxonomy AS tt INNER JOIN $wpdb->terms AS t ON tt.term_id = t.term_id WHERE tt.taxonomy = %s AND t.term_id = %d", $taxonomy, $term_id ) ); |
| 1417 | |
| 1418 | if ( !empty($tt_id) ) |
| 1419 | return array('term_id' => $term_id, 'term_taxonomy_id' => $tt_id); |
| 1420 | |
| Line | Code |
| 1658 | |
| 1659 | if ( $alias_of ) { |
| 1660 | $alias = $wpdb->get_row( $wpdb->prepare( "SELECT term_id, term_group FROM $wpdb->terms WHERE slug = %s", $alias_of) ); |
| 1661 | if ( $alias->term_group ) { |
| 1662 | // The alias we want is already in a group, so let's use that one. |
| 1663 | $term_group = $alias->term_group; |
| 1664 | } else { |
| 1665 | // The alias isn't in a group, so let's create a new one and firstly add the alias term to it. |
| 1666 | $term_group = $wpdb->get_var("SELECT MAX(term_group) FROM $wpdb->terms") + 1; |
| 1667 | do_action( 'edit_terms', $alias->term_id ); |
| 1668 | $wpdb->update( $wpdb->terms, compact('term_group'), array( 'term_id' => $alias->term_id ) ); |
| 1669 | do_action( 'edited_terms', $alias->term_id ); |
| 1670 | } |
| 1671 | } |
| 1672 | |
| 1673 | // Check for duplicate slug |
| 1674 | $id = $wpdb->get_var( $wpdb->prepare( "SELECT term_id FROM $wpdb->terms WHERE slug = %s", $slug ) ); |
| 1675 | if ( $id && ($id != $term_id) ) { |
| 1676 | // If an empty slug was passed or the parent changed, reset the slug to something unique. |
| 1677 | // Otherwise, bail. |
| 1678 | if ( $empty_slug || ( $parent != $term->parent) ) |
| 1679 | $slug = wp_unique_term_slug($slug, (object) $args); |
| 1680 | else |
| 1681 | return new WP_Error('duplicate_term_slug', sprintf(__('The slug “%s” is already in use by another term'), $slug)); |
| 1682 | } |
| 1683 | do_action( 'edit_terms', $term_id ); |
| 1684 | $wpdb->update($wpdb->terms, compact( 'name', 'slug', 'term_group' ), compact( 'term_id' ) ); |
| 1685 | if ( empty($slug) ) { |
| 1686 | $slug = sanitize_title($name, $term_id); |
| 1687 | $wpdb->update( $wpdb->terms, compact( 'slug' ), compact( 'term_id' ) ); |
| 1688 | } |
| 1689 | do_action( 'edited_terms', $term_id ); |
| 1690 | |
| 1691 | $tt_id = $wpdb->get_var( $wpdb->prepare( "SELECT tt.term_taxonomy_id FROM $wpdb->term_taxonomy AS tt INNER JOIN $wpdb->terms AS t ON tt.term_id = t.term_id WHERE tt.taxonomy = %s AND t.term_id = %d", $taxonomy, $term_id) ); |
| 1692 | do_action( 'edit_term_taxonomy', $tt_id ); |