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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 |
---|---|
1897 | $tax_object = get_taxonomy( $taxonomy ); |
1898 | foreach ( $tax_object->object_type as $object_type ) |
1899 | clean_object_term_cache( $objects, $object_type ); |
1900 |
|
1901 | // Get the object before deletion so we can pass to actions below |
1902 | $deleted_term = get_term( $term, $taxonomy ); |
1903 |
|
1904 | do_action( 'delete_term_taxonomy', $tt_id ); |
1905 | $wpdb->delete( $wpdb->term_taxonomy, array( 'term_taxonomy_id' => $tt_id ) ); |
1906 | do_action( 'deleted_term_taxonomy', $tt_id ); |
1907 |
|
1908 | // Delete the term if no taxonomies use it. |
1909 | if ( !$wpdb->get_var( $wpdb->prepare( "SELECT COUNT(*) FROM $wpdb->term_taxonomy WHERE term_id = %d", $term) ) ) |
1910 | $wpdb->delete( $wpdb->terms, array( 'term_id' => $term ) ); |
1911 |
|
1912 | clean_term_cache($term, $taxonomy); |
1913 |
|
1914 | do_action( 'delete_term', $term, $tt_id, $taxonomy, $deleted_term ); |
1915 | do_action( "delete_$taxonomy", $term, $tt_id, $deleted_term ); |