Online PHP editor | output for SDjl4

<?php $array = array ( 0 => array ( 0 => 'Project_id', 1 => 'Id_autre', 2 => 'App', 3 => 'App_lib', ), 1 => array ( 0 => '15685', 1 => '14950', 2 => '14950_APP1', 3 => 'TEST 01', ), 2 => array ( 0 => '16129', 1 => '14950', 2 => '14950_APP1', 3 => 'TEST 01', ), 3 => array ( 0 => '16100', 1 => '15600', 2 => '15600_APP2', 3 => 'TEST 02', ), 4 => array ( 0 => '16200', 1 => '15600', 2 => '15600_APP2', 3 => 'TEST 02', ), 5 => array ( 0 => '18000', 1 => '15700', 2 => '15700_APP3', 3 => 'TEST 03', ), ); function unique_multidim_array($array, $key) { $temp_array = array(); $i = 0; $key_array = array(); foreach($array as $val) { // Do a check if the value is_numeric if(is_numeric($val[0])){ // Search array in $key_array if doenst exists add if (!array_search($val[$key], $key_array)) { $key_array[$i] = $val[$key]; $temp_array[$i] = $val; } else { // Search array and if it does exists replace the array. $key_array[array_search($val[$key], $key_array)] = $val[$key]; $temp_array[array_search($val[$key], $key_array)] = $val; } } $i++; } return $temp_array; } $details = unique_multidim_array($array,3); print_r($details);