Online PHP editor | refs for V1HSp

<?php $array1 = [ ['ishani.lad', 9033187384], ['rajkumar.prajapati', 8460078459], ['lokesh.bhandari', 9687060900], ['shishansu.rai', 8401915337], ['vishal.dake', 9879815299], ['mohsin', 8347163123] ]; $a2 = ['ishani.lad', 'rajkumar.prajapati', 'lokesh.bhandari']; $output = array_filter($array1, function($a1) use ($a2) { return ! in_array($a1[0], $a2); }); echo '<pre>'; var_dump($output); echo '</pre>';