February 11, 2011 
Definition:
function delete_meta( $mid ) {}
Parameters
- unknown_type $mid
Defined actions
- delete_postmeta
do_action( 'delete_postmeta', $mid ); - deleted_postmeta
do_action( 'deleted_postmeta', $mid );
Source code
function delete_meta( $mid ) {
global $wpdb;
$mid = (int) $mid;
$post_id = $wpdb->get_var( $wpdb->prepare("SELECT post_id FROM $wpdb->postmeta WHERE meta_id = %d", $mid) );
do_action( 'delete_postmeta', $mid );
wp_cache_delete($post_id, 'post_meta');
$rval = $wpdb->query( $wpdb->prepare("DELETE FROM $wpdb->postmeta WHERE meta_id = %d", $mid) );
do_action( 'deleted_postmeta', $mid );
return $rval;
}
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