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<?php class MyFilter extends FilterIterator { public function accept() { return true; } } $it = new ArrayIterator(array(1, 2, 3)); $fi = new MyFilter($it); var_dump($it->count()); var_dump($fi->count()); var_dump(count($it)); var_dump(count($fi));
Output for git.master, git.master_jit, rfc.property-hooks
Deprecated: Return type of MyFilter::accept() should either be compatible with FilterIterator::accept(): bool, or the #[\ReturnTypeWillChange] attribute should be used to temporarily suppress the notice in /in/jKOgZ on line 5 int(3) int(3) int(3) Fatal error: Uncaught TypeError: count(): Argument #1 ($value) must be of type Countable|array, MyFilter given in /in/jKOgZ:18 Stack trace: #0 {main} thrown in /in/jKOgZ on line 18
Process exited with code 255.

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