// $old should be regexp safe ([a-zA-Z_])
$newTable = preg_replace( '/^' . $old . '/', $new, $table );
$this->output( "Renaming table $table to $newTable\n" );
// $old should be regexp safe ([a-zA-Z_])
$newTable = preg_replace( '/^' . $old . '/', $new, $table );
$this->output( "Renaming table $table to $newTable\n" );