format(*)', [new CodeSample(<<<'CODE_SAMPLE' class SomeClass { public function run() { $date = date('Y-m-d'); } } CODE_SAMPLE , <<<'CODE_SAMPLE' class SomeClass { public function run() { $date = \Carbon\Carbon::now()->format('Y-m-d'); } } CODE_SAMPLE )]); } /** * @return array> */ public function getNodeTypes() : array { return [FuncCall::class]; } /** * @param FuncCall $node */ public function refactor(Node $node) : ?Node { if (!$this->isName($node->name, 'date')) { return null; } if ($node->isFirstClassCallable()) { return null; } if (\count($node->getArgs()) !== 1) { return null; } $firstArg = $node->getArgs()[0]; if (!$firstArg->value instanceof String_) { return null; } // create now and format() $nowStaticCall = new StaticCall(new FullyQualified('Carbon\\Carbon'), 'now'); return new MethodCall($nowStaticCall, 'format', [new Arg($firstArg->value)]); } }