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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 |
---|---|
1768 | $wpdb->query( $wpdb->prepare( "DELETE FROM $wpdb->term_taxonomy WHERE term_taxonomy_id = %d", $tt_id ) ); |
1769 | do_action( 'deleted_term_taxonomy', $tt_id ); |
1770 |
|
1771 | // Delete the term if no taxonomies use it. |
1772 | if ( !$wpdb->get_var( $wpdb->prepare( "SELECT COUNT(*) FROM $wpdb->term_taxonomy WHERE term_id = %d", $term) ) ) |
1773 | $wpdb->query( $wpdb->prepare( "DELETE FROM $wpdb->terms WHERE term_id = %d", $term) ); |
1774 |
|
1775 | clean_term_cache($term, $taxonomy); |
1776 |
|
1777 | do_action('delete_term', $term, $tt_id, $taxonomy); |
1778 | do_action("delete_$taxonomy", $term, $tt_id); |
1779 |
|
1780 | return true; |
1781 | } |
1782 |
|
1783 | /** |
1784 | * Deletes one existing category. |
1785 | * |
1786 | * @since 2.0.0 |