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<?php declare(strict_types=1); $arr = ["1"]; $filtered = array_filter($arr, function(int $i){var_dump(["func_get_args"=>func_get_args()]);return true;}); var_dump($arr);
Output for git.master, git.master_jit, rfc.property-hooks
array(1) { ["func_get_args"]=> array(1) { [0]=> int(1) } } array(1) { [0]=> string(1) "1" }

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