Question

我想要消除 GOTO 指令（因为你知道只支持最新版本的php）才能使我的代码更兼容，但我真的无法弄清楚如何改变没有 GOTO 的代码流程（不重复代码）。谢谢你的帮助。

Answer 1

<?php

include("/LIB/error.php");
session_start();
if (isset($_POST['Submit1'])) {

   // if 'token' isn't in SESSION then it jumps right away to where dale: was
   // otherwise it performs the check and if that fails it does dale: again
   if (isset($_SESSION['token']) && (time() - $_SESSION['token']) < 5) {
      error('Debes esperar 5 segundos para poder enviar otra informacion.');
   } else { 
      $_SESSION['token'] = time();
      include("/LIB/HeadSQL.php");
      include("/LIB/comprueba.php");
   }

}

?>

Answer 2

重新排序if / else块（然后当然会改变时间条件）并且变得容易。

<?php
include("/LIB/error.php");
session_start();
if (isset($_POST['Submit1'])) {

    if (!isset($_SESSION['token']) || (time() - $_SESSION['token']) >= 5) { 
        $_SESSION['token'] = time();
        include("/LIB/HeadSQL.php");
        include("/LIB/comprueba.php");
    }
    else {
        error('Debes esperar 5 segundos para poder enviar otra informacion.');
    } 
}

?>

需要在PHP脚本中消除GOTO但不知道如何

2 个答案: