<?php
header('content-type:text/html;charset=UTF-8');
// 創建email異常處理類
class emailException extends exception
{
}
// 創建pwd異常處理類
class pwdException extends exception
{
  public function __tostring(){
    return $this->getMessage().'in file:'.$this->getFile().'on line:'.$this->getLine();
  }
}
function reg($reginfo = null)
{
  // 依據不同錯誤拋出不同異常
  if (empty($reginfo) || !isset($reginfo)) {
    throw new Exception('參數非法');
  }
  if (empty($reginfo['email'])) {
    throw new emailException('郵件為空');
  }
  if ($reginfo['pwd'] != $reginfo['repwd']) {
    throw new pwdException('兩次密碼不一致!');
  }
}
// 接收不同異常,并針對性處理!
try {
  reg(array('email' => '1078789950@qq.com', 'pwd' => '123', 'repwd' => '1231' ));
} catch (Exception $e) {
  echo $e ->getMessage();
} catch (emailException $ee) {
  echo $ee ->getMessage();
} catch (pwdException $ep) {
  echo $ep;
}