Spatie\Php7to5\NodeVisitors\ArrayListingReplacer

Complexity

Total Complexity

5

Size/Duplication

Total Lines	24
Duplicated Lines	0 %

Coupling/Cohesion

Components	0
Dependencies	4

Importance

Changes

0

1 Method

Rating	Name	Duplication	Size	Complexity
A	leaveNode()	0	18	5

<?php


namespace Spatie\Php7to5\NodeVisitors;


use PhpParser\Node;
use PhpParser\NodeVisitorAbstract;

/**
 * Class ArrayListingReplacer
 * @package Spatie\Php7to5\NodeVisitors
 * @author Jiri Vrba <jirkavrbis11@gmail.com>
 *
 * Replaces [$a, $b, $c] = ['a', 'b', 'c'] with list()
 */
class ArrayListingReplacer extends NodeVisitorAbstract
{
	/**
	 * {@inheritdoc}
	 */
	public function leaveNode(Node $node)
	{
		if (!$node instanceof Node\Expr\Array_)
			return;

		$stack = [];

		foreach ($node->items as $arrayItem)
		{
			if ($arrayItem->value instanceof Node\Expr\Variable)
				$stack[] = $arrayItem->value;
		}

		if (!empty($stack))
		{
			return new Node\Expr\List_($stack);
		}
	}
}