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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 |
|---|---|
| 2101 | $wpdb->delete( $wpdb->term_taxonomy, array( 'term_taxonomy_id' => $tt_id ) ); |
| 2102 | |
| 2103 | /** |
| 2104 | * Fires immediately after a term taxonomy ID is deleted. |
| 2105 | * |
| 2106 | * @since 2.9.0 |
| 2107 | * |
| 2108 | * @param int $tt_id Term taxonomy ID. |
| 2109 | */ |
| 2110 | do_action( 'deleted_term_taxonomy', $tt_id ); |
| 2111 | |
| 2112 | // Delete the term if no taxonomies use it. |
| 2113 | if ( ! $wpdb->get_var( $wpdb->prepare( "SELECT COUNT(*) FROM $wpdb->term_taxonomy WHERE term_id = %d", $term ) ) ) { |
| 2114 | $wpdb->delete( $wpdb->terms, array( 'term_id' => $term ) ); |
| 2115 | } |
| 2116 | |
| 2117 | clean_term_cache( $term, $taxonomy ); |
| 2118 | |
| 2119 | /** |