Online PHP editor | refs for N3AP3

<?php $arr = array( array ( '45' => array( '1 day' ) ), array ( '45' => array( '- None -' ) ), '- None -' ); function removeNoneElements(&$arr){ $temp = $arr; $hasNone = false; foreach($temp as $index => $val){ if(is_array($val)){ $containsNone = removeNoneElements($val); if($containsNone){ $hasNone = true; unset($arr[$index]); } }else if($val === '- None -'){ unset($arr[$index]); $hasNone = true; } } return $hasNone; } echo "Before Removal",PHP_EOL; print_r($arr); removeNoneElements($arr); echo "After Removal",PHP_EOL; print_r($arr);