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<?php $test = [1, 2]; $filter = function ($x) { return $x == 2; }; $result = array_filter($test, $filter); print_r($result); print_r($result[0]); print_r(array_pop($result));
Output for git.master, git.master_jit, rfc.property-hooks
Array ( [1] => 2 ) Warning: Undefined array key 0 in /in/HQkQV on line 12 2

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