$check =
apply_filters( "update_{
$meta_type}_metadata_by_mid", null,
$meta_id,
$meta_value,
$meta_key );
if ( null !==
$check ) { return (bool) $check;
} // Fetch the meta and go on if it's found.
$meta =
get_metadata_by_mid( $meta_type,
$meta_id );
if ( $meta ) { $original_key =
$meta->meta_key;
$object_id =
$meta->
{$column};
/*
* If a new meta_key (last parameter) was specified, change the meta key,
* otherwise use the original key in the update statement.
*/
if ( false ===
$meta_key ) { $meta_key =
$original_key;
} elseif ( !
is_string( $meta_key ) ) {