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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.
| Line | Code |
|---|---|
| 1766 | do_action( 'deleted_term_taxonomy', $tt_id ); |
| 1767 | |
| 1768 | // Delete the term if no taxonomies use it. |
| 1769 | if ( !$wpdb->get_var( $wpdb->prepare( "SELECT COUNT(*) FROM $wpdb->term_taxonomy WHERE term_id = %d", $term) ) ) |
| 1770 | $wpdb->query( $wpdb->prepare( "DELETE FROM $wpdb->terms WHERE term_id = %d", $term) ); |
| 1771 | |
| 1772 | clean_term_cache($term, $taxonomy); |
| 1773 | |
| 1774 | do_action('delete_term', $term, $tt_id, $taxonomy); |
| 1775 | do_action("delete_$taxonomy", $term, $tt_id); |
| 1776 | |
| 1777 | return true; |
| 1778 | } |
| 1779 | |
| 1780 | /** |
| 1781 | * Deletes one existing category. |
| 1782 | * |
| 1783 | * @since 2.0.0 |
| 1784 | * @uses wp_delete_term() |