array_intersect возвращает серьезность: 4096 Сообщение: объект класса stdClass не может быть преобразован в строку CodeIgniter

Этот код возвращает желаемые результаты.

function ary_diff( $ary_1, $ary_2 ) {   // compare the value of 2 array   // get differences that in ary_1 but not in ary_2   // get difference that in ary_2 but not in ary_1   // return the unique difference between value of 2 array   $diff = array();

  // get differences that in ary_1 but not in ary_2   foreach ( $ary_1 as $v1 ) {
    $flag = 0;
    foreach ( $ary_2 as $v2 ) {
      $flag |= ( $v1 == $v2 );
      if ( $flag ) break;
    }
    if ( !$flag ) array_push( $diff, $v1 );   }

  // get difference that in ary_2 but not in ary_1   foreach ( $ary_2 as $v2 ) {
    $flag = 0;
    foreach ( $ary_1 as $v1 ) {
      $flag |= ( $v1 == $v2 );
      if ( $flag ) break;
    }
    if ( !$flag && !in_array( $v2, $diff ) ) array_push( $diff, $v2 );   }

  return $diff; }