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<?php declare (strict_types=1); namespace Rector\CodeQuality\Rector\FuncCall; use PhpParser\Node; use PhpParser\Node\Arg; use PhpParser\Node\Expr\ArrowFunction; use PhpParser\Node\Expr\Closure; use PhpParser\Node\Expr\FuncCall; use Rector\Core\Rector\AbstractRector; use Rector\Php74\NodeAnalyzer\ClosureArrowFunctionAnalyzer; use Symplify\RuleDocGenerator\ValueObject\CodeSample\CodeSample; use Symplify\RuleDocGenerator\ValueObject\RuleDefinition; /** * @changelog https://3v4l.org/fuuEF * * @see \Rector\Tests\CodeQuality\Rector\FuncCall\CallUserFuncWithArrowFunctionToInlineRector\CallUserFuncWithArrowFunctionToInlineRectorTest */ final class CallUserFuncWithArrowFunctionToInlineRector extends AbstractRector { /** * @readonly * @var \Rector\Php74\NodeAnalyzer\ClosureArrowFunctionAnalyzer */ private $closureArrowFunctionAnalyzer; public function __construct(ClosureArrowFunctionAnalyzer $closureArrowFunctionAnalyzer) { $this->closureArrowFunctionAnalyzer = $closureArrowFunctionAnalyzer; } public function getRuleDefinition() : RuleDefinition { return new RuleDefinition('Refactor call_user_func() with arrow function to direct call', [new CodeSample(<<<'CODE_SAMPLE' final class SomeClass { public function run() { $result = \call_user_func(fn () => 100); } } CODE_SAMPLE , <<<'CODE_SAMPLE' final class SomeClass { public function run() { $result = 100; } } CODE_SAMPLE )]); } /** * @return array<class-string<Node>> */ public function getNodeTypes() : array { return [FuncCall::class]; } /** * @param FuncCall $node */ public function refactor(Node $node) : ?Node { if (!$this->isName($node, 'call_user_func')) { return null; } if (\count($node->args) !== 1) { return null; } // change the node if (!isset($node->args[0])) { return null; } $firstArg = $node->args[0]; if (!$firstArg instanceof Arg) { return null; } $firstArgValue = $firstArg->value; if ($firstArgValue instanceof ArrowFunction) { return $firstArgValue->expr; } if ($firstArgValue instanceof Closure) { return $this->closureArrowFunctionAnalyzer->matchArrowFunctionExpr($firstArgValue); } return null; } }
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