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<?php declare (strict_types=1); namespace Rector\CodeQuality\Rector\FuncCall; use PhpParser\Node; use PhpParser\Node\Arg; use PhpParser\Node\Expr\Array_; use PhpParser\Node\Expr\ArrayItem; use PhpParser\Node\Expr\BinaryOp\Equal; use PhpParser\Node\Expr\BinaryOp\Identical; use PhpParser\Node\Expr\FuncCall; use Rector\Core\Rector\AbstractRector; use Symplify\RuleDocGenerator\ValueObject\CodeSample\CodeSample; use Symplify\RuleDocGenerator\ValueObject\RuleDefinition; /** * @see \Rector\Tests\CodeQuality\Rector\FuncCall\SingleInArrayToCompareRector\SingleInArrayToCompareRectorTest */ final class SingleInArrayToCompareRector extends AbstractRector { public function getRuleDefinition() : RuleDefinition { return new RuleDefinition('Changes in_array() with single element to ===', [new CodeSample(<<<'CODE_SAMPLE' class SomeClass { public function run() { if (in_array(strtolower($type), ['$this'], true)) { return strtolower($type); } } } CODE_SAMPLE , <<<'CODE_SAMPLE' class SomeClass { public function run() { if (strtolower($type) === '$this') { return strtolower($type); } } } CODE_SAMPLE )]); } /** * @return array<class-string<Node>> */ public function getNodeTypes() : array { return [FuncCall::class]; } /** * @param FuncCall $node */ public function refactor(Node $node) : ?Node { if (!$this->isName($node, 'in_array')) { return null; } if (!isset($node->args[1])) { return null; } if (!$node->args[1] instanceof Arg) { return null; } if (!$node->args[1]->value instanceof Array_) { return null; } /** @var Array_ $arrayNode */ $arrayNode = $node->args[1]->value; if (\count($arrayNode->items) !== 1) { return null; } $firstArrayItem = $arrayNode->items[0]; if (!$firstArrayItem instanceof ArrayItem) { return null; } if (!isset($node->args[0])) { return null; } if (!$node->args[0] instanceof Arg) { return null; } $firstArrayItemValue = $firstArrayItem->value; // strict if (isset($node->args[2])) { return new Identical($node->args[0]->value, $firstArrayItemValue); } return new Equal($node->args[0]->value, $firstArrayItemValue); } }
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