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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 |
|---|---|
| 1895 | $tax_object = get_taxonomy( $taxonomy ); |
| 1896 | foreach ( $tax_object->object_type as $object_type ) |
| 1897 | clean_object_term_cache( $objects, $object_type ); |
| 1898 | |
| 1899 | // Get the object before deletion so we can pass to actions below |
| 1900 | $deleted_term = get_term( $term, $taxonomy ); |
| 1901 | |
| 1902 | do_action( 'delete_term_taxonomy', $tt_id ); |
| 1903 | $wpdb->delete( $wpdb->term_taxonomy, array( 'term_taxonomy_id' => $tt_id ) ); |
| 1904 | do_action( 'deleted_term_taxonomy', $tt_id ); |
| 1905 | |
| 1906 | // Delete the term if no taxonomies use it. |
| 1907 | if ( !$wpdb->get_var( $wpdb->prepare( "SELECT COUNT(*) FROM $wpdb->term_taxonomy WHERE term_id = %d", $term) ) ) |
| 1908 | $wpdb->delete( $wpdb->terms, array( 'term_id' => $term ) ); |
| 1909 | |
| 1910 | clean_term_cache($term, $taxonomy); |
| 1911 | |
| 1912 | do_action( 'delete_term', $term, $tt_id, $taxonomy, $deleted_term ); |
| 1913 | do_action( "delete_$taxonomy", $term, $tt_id, $deleted_term ); |