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<?php $arr = [0,1,[0,1,[0,1]]]; $dir = new RecursiveArrayIterator($arr); $it = new RecursiveCallbackFilterIterator($dir, function(){return true;}); var_dump($it->getChildren());
Output for git.master, git.master_jit, rfc.property-hooks
Fatal error: Uncaught TypeError: ArrayIterator::__construct(): Argument #1 ($array) must be of type array, int given in /in/afPL7:7 Stack trace: #0 [internal function]: ArrayIterator->__construct(0, 0) #1 [internal function]: RecursiveArrayIterator->getChildren() #2 /in/afPL7(7): RecursiveCallbackFilterIterator->getChildren() #3 {main} thrown in /in/afPL7 on line 7
Process exited with code 255.

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