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/home/kueuepay/public_html/vendor/nikic/php-parser/lib/PhpParser/NodeFinder.php

<?php declare(strict_types=1);

namespace PhpParser;

use PhpParser\NodeVisitor\FindingVisitor;
use PhpParser\NodeVisitor\FirstFindingVisitor;

class NodeFinder {
    /**
     * Find all nodes satisfying a filter callback.
     *
     * @param Node|Node[] $nodes Single node or array of nodes to search in
     * @param callable $filter Filter callback: function(Node $node) : bool
     *
     * @return Node[] Found nodes satisfying the filter callback
     */
    public function find($nodes, callable $filter): array {
        if ($nodes === []) {
            return [];
        }

        if (!is_array($nodes)) {
            $nodes = [$nodes];
        }

        $visitor = new FindingVisitor($filter);

        $traverser = new NodeTraverser($visitor);
        $traverser->traverse($nodes);

        return $visitor->getFoundNodes();
    }

    /**
     * Find all nodes that are instances of a certain class.

     * @template TNode as Node
     *
     * @param Node|Node[] $nodes Single node or array of nodes to search in
     * @param class-string<TNode> $class Class name
     *
     * @return TNode[] Found nodes (all instances of $class)
     */
    public function findInstanceOf($nodes, string $class): array {
        return $this->find($nodes, function ($node) use ($class) {
            return $node instanceof $class;
        });
    }

    /**
     * Find first node satisfying a filter callback.
     *
     * @param Node|Node[] $nodes Single node or array of nodes to search in
     * @param callable $filter Filter callback: function(Node $node) : bool
     *
     * @return null|Node Found node (or null if none found)
     */
    public function findFirst($nodes, callable $filter): ?Node {
        if ($nodes === []) {
            return null;
        }

        if (!is_array($nodes)) {
            $nodes = [$nodes];
        }

        $visitor = new FirstFindingVisitor($filter);

        $traverser = new NodeTraverser($visitor);
        $traverser->traverse($nodes);

        return $visitor->getFoundNode();
    }

    /**
     * Find first node that is an instance of a certain class.
     *
     * @template TNode as Node
     *
     * @param Node|Node[] $nodes Single node or array of nodes to search in
     * @param class-string<TNode> $class Class name
     *
     * @return null|TNode Found node, which is an instance of $class (or null if none found)
     */
    public function findFirstInstanceOf($nodes, string $class): ?Node {
        return $this->findFirst($nodes, function ($node) use ($class) {
            return $node instanceof $class;
        });
    }
}

[D] Builder
[D] Comment
[D] ErrorHandler
[D] Internal
[D] Lexer
[D] Node
[D] NodeVisitor
[D] Parser
[D] PrettyPrinter
[F] Builder.php
[F] BuilderFactory.php
[F] BuilderHelpers.php
[F] Comment.php
[F] compatibility_tokens.php
[F] ConstExprEvaluationException.php
[F] ConstExprEvaluator.php
[F] Error.php
[F] ErrorHandler.php
[F] JsonDecoder.php
[F] Lexer.php
[F] Modifiers.php
[F] NameContext.php
[F] Node.php
[F] NodeAbstract.php
[F] NodeDumper.php
[F] NodeFinder.php
[F] NodeTraverser.php
[F] NodeTraverserInterface.php
[F] NodeVisitor.php
[F] NodeVisitorAbstract.php
[F] Parser.php
[F] ParserAbstract.php
[F] ParserFactory.php
[F] PhpVersion.php
[F] PrettyPrinter.php
[F] PrettyPrinterAbstract.php
[F] Token.php

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