return $this->array_to_code_string( $items, $quotes );
}

/**
 * Takes an array of strings and returns php code for an array of strings.
 *
 * @param string[] $items The array to convert.
 * @param bool     $quotes Whether to add quotes to the values or not.
 *
 * @return string
 */
public function array_to_code_string( $items, $quotes = true ) {
	if ( empty( $items ) || empty( $items[0] ) ) {
		return 'array()';
	}
	$items = array_map( 'trim', $items );
	if ( $quotes ) {
		$items = array_map( array( $this, 'add_quotes' ), $items );
	}

	return 'array( ' . implode( ', ', $items ) . ' )';
}

/**
 * Callback to add quotes because we can't use closures in PHP 5.2.
 *
 * @param string $item String to add quotes to.
 *
 * @return string
 */
private function add_quotes( $item ) {
	return "'$item'";
}
POC：