if ( $meta->meta_value != stripslashes($value) || $meta->meta_key != stripslashes($key) ) {
if ( !$u = update_meta( $mid, $key, $value ) )
die('0'); // We know meta exists; we also know it's unchanged (or DB error, in which case there are bigger problems).
if ( $meta->meta_value != stripslashes($value) || $meta->meta_key != stripslashes($key) ) {
if ( !$u = update_meta( $mid, $key, $value ) )
die('0'); // We know meta exists; we also know it's unchanged (or DB error, in which case there are bigger problems).