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home/autoovt/www/vendor-old/nikic/php-parser/lib/PhpParser/NodeVisitor/FirstFindingVisitor.php 0000666 00000002343 14772346373 0026674 0 ustar 00 <?php declare(strict_types=1); namespace PhpParser\NodeVisitor; use PhpParser\Node; use PhpParser\NodeVisitor; use PhpParser\NodeVisitorAbstract; /** * This visitor can be used to find the first node satisfying some criterion determined by * a filter callback. */ class FirstFindingVisitor extends NodeVisitorAbstract { /** @var callable Filter callback */ protected $filterCallback; /** @var null|Node Found node */ protected ?Node $foundNode; public function __construct(callable $filterCallback) { $this->filterCallback = $filterCallback; } /** * Get found node satisfying the filter callback. * * Returns null if no node satisfies the filter callback. * * @return null|Node Found node (or null if not found) */ public function getFoundNode(): ?Node { return $this->foundNode; } public function beforeTraverse(array $nodes): ?array { $this->foundNode = null; return null; } public function enterNode(Node $node) { $filterCallback = $this->filterCallback; if ($filterCallback($node)) { $this->foundNode = $node; return NodeVisitor::STOP_TRAVERSAL; } return null; } }
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