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47 lines
1009 B
PHP
47 lines
1009 B
PHP
<?php declare(strict_types = 1);
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namespace Composer\PHPStanRules;
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use PhpParser\Node;
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use PHPStan\Analyser\Scope;
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use PHPStan\Rules\Rule;
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/**
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* @phpstan-implements Rule<\PhpParser\Node\Expr\Variable>
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*/
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final class AnonymousFunctionWithThisRule implements Rule
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{
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/**
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* @inheritDoc
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*/
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public function getNodeType(): string
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{
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return \PhpParser\Node\Expr\Variable::class;
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}
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/**
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* @inheritDoc
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*/
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public function processNode(Node $node, Scope $scope): array
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{
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if (!\is_string($node->name) || $node->name !== 'this') {
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return [];
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}
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if ($scope->isInClosureBind()) {
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return [];
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}
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if (!$scope->isInClass()) {
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// reported in other standard rule on level 0
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return [];
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}
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if ($scope->isInAnonymousFunction()) {
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return ['Using $this inside anonymous function is prohibited because of PHP 5.3 support.'];
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}
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return [];
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}
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}
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