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<?php declare (strict_types=1); namespace Rector\CodingStyle\Rector\ClassMethod; use PhpParser\Node; use PhpParser\Node\Expr; use PhpParser\Node\Expr\Assign; use PhpParser\Node\Expr\Closure; use PhpParser\Node\Expr\FuncCall; use PhpParser\Node\Expr\Variable; use PhpParser\Node\Param; use PhpParser\Node\Stmt\ClassMethod; use PhpParser\Node\Stmt\Expression; use PhpParser\Node\Stmt\Function_; use Rector\PhpParser\Node\BetterNodeFinder; use Rector\Rector\AbstractRector; use Rector\ValueObject\PhpVersionFeature; use Rector\VersionBonding\Contract\MinPhpVersionInterface; use Symplify\RuleDocGenerator\ValueObject\CodeSample\CodeSample; use Symplify\RuleDocGenerator\ValueObject\RuleDefinition; /** * @see \Rector\Tests\CodingStyle\Rector\ClassMethod\FuncGetArgsToVariadicParamRector\FuncGetArgsToVariadicParamRectorTest */ final class FuncGetArgsToVariadicParamRector extends AbstractRector implements MinPhpVersionInterface { /** * @readonly * @var \Rector\PhpParser\Node\BetterNodeFinder */ private $betterNodeFinder; public function __construct(BetterNodeFinder $betterNodeFinder) { $this->betterNodeFinder = $betterNodeFinder; } public function getRuleDefinition() : RuleDefinition { return new RuleDefinition('Refactor func_get_args() in to a variadic param', [new CodeSample(<<<'CODE_SAMPLE' function run() { $args = \func_get_args(); } CODE_SAMPLE , <<<'CODE_SAMPLE' function run(...$args) { } CODE_SAMPLE )]); } /** * @return array<class-string<Node>> */ public function getNodeTypes() : array { return [ClassMethod::class, Function_::class, Closure::class]; } /** * @param ClassMethod|Function_|Closure $node */ public function refactor(Node $node) : ?Node { if ($node->params !== [] || $node->stmts === null) { return null; } /** @var Expression<Assign>|null $expression */ $expression = $this->matchFuncGetArgsVariableAssign($node); if (!$expression instanceof Expression) { return null; } foreach ($node->stmts as $key => $stmt) { if (!$stmt instanceof Expression) { continue; } if (!$stmt->expr instanceof Assign) { continue; } $assign = $stmt->expr; if (!$this->isFuncGetArgsFuncCall($assign->expr)) { continue; } if ($assign->var instanceof Variable) { /** @var string $variableName */ $variableName = $this->getName($assign->var); unset($node->stmts[$key]); return $this->applyVariadicParams($node, $variableName); } $assign->expr = new Variable('args'); return $this->applyVariadicParams($node, 'args'); } return null; } public function provideMinPhpVersion() : int { return PhpVersionFeature::VARIADIC_PARAM; } /** * @param \PhpParser\Node\Stmt\ClassMethod|\PhpParser\Node\Stmt\Function_|\PhpParser\Node\Expr\Closure $node * @return \PhpParser\Node\Stmt\ClassMethod|\PhpParser\Node\Stmt\Function_|\PhpParser\Node\Expr\Closure|null */ private function applyVariadicParams($node, string $variableName) { $param = $this->createVariadicParam($variableName); if ($param->var instanceof Variable && $this->hasFunctionOrClosureInside($node, $param->var)) { return null; } $node->params[] = $param; return $node; } /** * @param \PhpParser\Node\Stmt\ClassMethod|\PhpParser\Node\Stmt\Function_|\PhpParser\Node\Expr\Closure $functionLike */ private function hasFunctionOrClosureInside($functionLike, Variable $variable) : bool { if ($functionLike->stmts === null) { return \false; } return (bool) $this->betterNodeFinder->findFirst($functionLike->stmts, function (Node $node) use($variable) : bool { if (!$node instanceof Closure && !$node instanceof Function_) { return \false; } if ($node->params !== []) { return \false; } $expression = $this->matchFuncGetArgsVariableAssign($node); if (!$expression instanceof Expression) { return \false; } /** @var Assign $assign */ $assign = $expression->expr; return $this->nodeComparator->areNodesEqual($assign->var, $variable); }); } /** * @return Expression<Assign>|null * @param \PhpParser\Node\Stmt\ClassMethod|\PhpParser\Node\Stmt\Function_|\PhpParser\Node\Expr\Closure $functionLike */ private function matchFuncGetArgsVariableAssign($functionLike) : ?Expression { /** @var Expression[] $expressions */ $expressions = $this->betterNodeFinder->findInstancesOfInFunctionLikeScoped($functionLike, Expression::class); foreach ($expressions as $expression) { if (!$expression->expr instanceof Assign) { continue; } $assign = $expression->expr; if (!$assign->expr instanceof FuncCall) { continue; } if (!$this->isName($assign->expr, 'func_get_args')) { continue; } return $expression; } return null; } private function createVariadicParam(string $variableName) : Param { $variable = new Variable($variableName); return new Param($variable, null, null, \false, \true); } private function isFuncGetArgsFuncCall(Expr $expr) : bool { if (!$expr instanceof FuncCall) { return \false; } return $this->isName($expr, 'func_get_args'); } }
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| PHP 8.2.30 | ??????????? ?????????: 0.06 |
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