delete_meta

February 11, 2011 by Thorsten 0 Comments

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;

}

798

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