Online PHP editor | output for DecZa

<?php $old_array = array(0 => Array( 'id' => 1392, 'name' => 'vhswwindow2', 'probability' => 65 )); $new_array_array = array(0 => Array( 'id' => 1392, 'name' => 'vhswwindow2', 'probability' => 65 )); , 1=> ); $count_old = count($old_arr); $count_new = count($new_arr); $return = array(); $return['change'] = array();//what indexes need to be updated $return['changed'] = false;//whether or not indexes $return['add'] = false; $return['delete'] = false; $return['add_remove'] = array(); $return['diff'] = NULL; if ($count_old == $count_new) { $max = $count_old; } else if ($count_old < $count_new) { $max = $count_old; $return['add'] = true; $return['diff'] = $count_new - $count_old; } else { $max = $count_new; $return['delete'] = true; $return['diff'] = $count_old - $count_new; } for ($i=0; $i<$max ; $i++) { $record_changed = false; for($j=0;$j<3;$j++) { if ($new_arr[$i][$j]!==$old_arr[$i][$map[$j]]) {//false != $return['changed'] = true; $record_changed = true; } } if ($record_changed) { $return['change'][] = $i; } } if ($return['diff'] &&($return['diff']>0)) { for ($j=$max;$j<($max+$return['diff']);$j++) { $return['add_remove'][] = $j; } } print_r($return);