File manager - Edit - /var/www/payraty/helpdesk/vendor/rector/rector/rules/Php80/Rector/Catch_/RemoveUnusedVariableInCatchRector.php
Back
<?php declare (strict_types=1); namespace Rector\Php80\Rector\Catch_; use PhpParser\Node; use PhpParser\Node\Expr\Variable; use PhpParser\Node\Stmt\Catch_; use Rector\Core\Rector\AbstractRector; use Rector\Core\ValueObject\PhpVersionFeature; use Rector\DeadCode\NodeAnalyzer\ExprUsedInNodeAnalyzer; use Rector\VersionBonding\Contract\MinPhpVersionInterface; use Symplify\RuleDocGenerator\ValueObject\CodeSample\CodeSample; use Symplify\RuleDocGenerator\ValueObject\RuleDefinition; /** * @changelog https://wiki.php.net/rfc/non-capturing_catches * * @see \Rector\Tests\Php80\Rector\Catch_\RemoveUnusedVariableInCatchRector\RemoveUnusedVariableInCatchRectorTest */ final class RemoveUnusedVariableInCatchRector extends AbstractRector implements MinPhpVersionInterface { /** * @readonly * @var \Rector\DeadCode\NodeAnalyzer\ExprUsedInNodeAnalyzer */ private $exprUsedInNodeAnalyzer; public function __construct(ExprUsedInNodeAnalyzer $exprUsedInNodeAnalyzer) { $this->exprUsedInNodeAnalyzer = $exprUsedInNodeAnalyzer; } public function getRuleDefinition() : RuleDefinition { return new RuleDefinition('Remove unused variable in catch()', [new CodeSample(<<<'CODE_SAMPLE' final class SomeClass { public function run() { try { } catch (Throwable $notUsedThrowable) { } } } CODE_SAMPLE , <<<'CODE_SAMPLE' final class SomeClass { public function run() { try { } catch (Throwable) { } } } CODE_SAMPLE )]); } /** * @return array<class-string<Node>> */ public function getNodeTypes() : array { return [Catch_::class]; } /** * @param Catch_ $node */ public function refactor(Node $node) : ?Node { $caughtVar = $node->var; if (!$caughtVar instanceof Variable) { return null; } if ($this->isVariableUsedInStmts($node->stmts, $caughtVar)) { return null; } if ($this->isVariableUsedNext($node, $caughtVar)) { return null; } $node->var = null; return $node; } public function provideMinPhpVersion() : int { return PhpVersionFeature::NON_CAPTURING_CATCH; } /** * @param Node[] $nodes */ private function isVariableUsedInStmts(array $nodes, Variable $variable) : bool { return (bool) $this->betterNodeFinder->findFirst($nodes, function (Node $node) use($variable) : bool { return $this->exprUsedInNodeAnalyzer->isUsed($node, $variable); }); } private function isVariableUsedNext(Catch_ $catch, Variable $variable) : bool { return (bool) $this->betterNodeFinder->findFirstNext($catch, function (Node $node) use($variable) : bool { return $this->exprUsedInNodeAnalyzer->isUsed($node, $variable); }); } }
| ver. 1.4 |
Github
|
.
| PHP 8.3.30 | Generation time: 0 |
proxy
|
phpinfo
|
Settings