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<?php $arrays = [ [ ['A' => 'aaaaa'], ['A' => null], ['A' => null], ['A' => (float)666] ] ]; $arrays = array_map(function($x) { return array_filter($x, function($y) { return is_float($y['A']) || is_string($y['A']); }); }, $arrays); var_dump($arrays);
Output for git.master, git.master_jit, rfc.property-hooks
array(1) { [0]=> array(2) { [0]=> array(1) { ["A"]=> string(5) "aaaaa" } [3]=> array(1) { ["A"]=> float(666) } } }

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