Current File : /home/vacivi36/vacivitta.com.br/vendor/rector/rector/rules/Php70/Rector/List_/EmptyListRector.php
<?php
declare (strict_types=1);
namespace Rector\Php70\Rector\List_;
use PhpParser\Node;
use PhpParser\Node\Expr\ArrayItem;
use PhpParser\Node\Expr\List_;
use PhpParser\Node\Expr\Variable;
use Rector\Core\Rector\AbstractRector;
use Rector\Core\ValueObject\PhpVersionFeature;
use Rector\VersionBonding\Contract\MinPhpVersionInterface;
use Symplify\RuleDocGenerator\ValueObject\CodeSample\CodeSample;
use Symplify\RuleDocGenerator\ValueObject\RuleDefinition;
/**
* @changelog http://php.net/manual/en/migration70.incompatible.php#migration70.incompatible.variable-handling.list
* @see \Rector\Tests\Php70\Rector\List_\EmptyListRector\EmptyListRectorTest
*/
final class EmptyListRector extends \Rector\Core\Rector\AbstractRector implements \Rector\VersionBonding\Contract\MinPhpVersionInterface
{
public function getRuleDefinition() : \Symplify\RuleDocGenerator\ValueObject\RuleDefinition
{
return new \Symplify\RuleDocGenerator\ValueObject\RuleDefinition('list() cannot be empty', [new \Symplify\RuleDocGenerator\ValueObject\CodeSample\CodeSample(<<<'CODE_SAMPLE'
'list() = $values;'
CODE_SAMPLE
, <<<'CODE_SAMPLE'
'list($unusedGenerated) = $values;'
CODE_SAMPLE
)]);
}
public function provideMinPhpVersion() : int
{
return \Rector\Core\ValueObject\PhpVersionFeature::NO_EMPTY_LIST;
}
/**
* @return array<class-string<Node>>
*/
public function getNodeTypes() : array
{
return [\PhpParser\Node\Expr\List_::class];
}
/**
* @param List_ $node
*/
public function refactor(\PhpParser\Node $node) : ?\PhpParser\Node
{
foreach ($node->items as $item) {
if ($item !== null) {
return null;
}
}
$node->items[0] = new \PhpParser\Node\Expr\ArrayItem(new \PhpParser\Node\Expr\Variable('unusedGenerated'));
return $node;
}
}
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