Online PHP editor | refs for YUi0v

<?php $original = array('foo', null, 'bar', false, 5); $data = $original; print_r($data); foreach ($data as $key => $value) { if ($value === null) { unset($data[$key]); } } print_r($data); $data = $original; $data = array_filter($data, function ($value) { return $value === null; }); print_r($data);