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ffe7874906
* extract the operation out of the loop when possible * remove unnecessary interfaces when already inherited in parent * simplify expressions * avoid using alias functions * redundant phpdoc * unused imports
33 lines
633 B
PHP
33 lines
633 B
PHP
<?php
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namespace Psalm\Internal\PhpVisitor;
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use PhpParser;
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/**
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* @internal
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*/
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class ShortClosureVisitor extends PhpParser\NodeVisitorAbstract
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{
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/**
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* @var array<string, bool>
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*/
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protected $used_variables = [];
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public function enterNode(PhpParser\Node $node): ?int
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{
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if ($node instanceof PhpParser\Node\Expr\Variable && \is_string($node->name)) {
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$this->used_variables['$' . $node->name] = true;
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}
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return null;
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}
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/**
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* @return array<string, bool>
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*/
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public function getUsedVariables(): array
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{
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return $this->used_variables;
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}
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}
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