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<?php $f = function($v, $k, $i) { return false === substr($v, 'Exception'); }; var_dump(iterator_to_array(new CallbackFilterIterator(new ArrayIterator(get_declared_classes()),$f)));
Output for git.master, git.master_jit, rfc.property-hooks
Fatal error: Uncaught TypeError: substr(): Argument #2 ($offset) must be of type int, string given in /in/5rEPs:4 Stack trace: #0 /in/5rEPs(4): substr('InternalIterato...', 'Exception') #1 [internal function]: {closure}('InternalIterato...', 0, Object(ArrayIterator)) #2 [internal function]: CallbackFilterIterator->accept() #3 [internal function]: FilterIterator->rewind() #4 /in/5rEPs(6): iterator_to_array(Object(CallbackFilterIterator)) #5 {main} thrown in /in/5rEPs on line 4
Process exited with code 255.

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