echo 1; } else { echo -1; } } else { echo -1; } } function aa1($value1, $value2) { $string = file_get_contents("data/teach.json"); $j = json_decode($string, true); if (array_key_exists($value1, $j)) { if ($j[$value1] == $value2) { echo 1; } else { echo -1; } } else { echo -1; } } } if (isset($_POST['uid'])) { $m1 = new mm(); if ($_POST['t'] == 0) { $m1->aa($_POST['uid'], $_POST['pwd']); } else { $m1->aa1($_POST['uid'], $_POST['pwd']); } }