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<?php $data1 = array('foo', null, 'bar', false, 5); $data2 = array('foo', null, 'bar', false, 5); // ======================================================== foreach ($data1 as $key => $value) { if ($value === null) { unset($data1[$key]); } } print_r($data1); // ======================================================== $data2 = array_filter($data2, function ($value) { return $value === null; }); print_r($data2);
Output for git.master, git.master_jit, rfc.property-hooks
Array ( [0] => foo [2] => bar [3] => [4] => 5 ) Array ( [1] => )

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