有没有一种方法可以限制php表单的提交数量?

本文介绍了有没有一种方法可以限制php表单的提交数量?的处理方法，对大家解决问题具有一定的参考价值，需要的朋友们下面随着小编来一起学习吧！ 问题描述

例如一张注册表只能使用x次?

eg. A registration form can only be used x amount of times?

推荐答案

PHP的快速而又肮脏的解决方案.

Quick and Dirty Solution For PHP.

每次他们访问页面时，它都会增加计数器的数量.太多次意味着页面die().您可以选择将此代码放置在仅当有人提交表单时才执行的位置.

Everytime they visit a page, it increments the counter. Too many times means the page die()s. You can choose to put this code in a spot where it will only be executed when someone submits the form.

它经常重置计数.

已知的错误:清除Cookie会破坏它，关闭cookie会破坏它.

Known Bugs: Clearing Cookies breaks it, having cookies off breaks it.

<?php session_start(); if(!isset($_SESSION['count'])) { $_SESSION['count'] = 1; $_SESSION['first'] = time(); } else { // Increase the Count $_SESSION['count']++; // Reset every so often if($_SESSION['first'] < (time() - 500)) { $_SESSION['count'] = 1; $_SESSION['first'] = time(); } // Die if they have viewed the page too many times if($_SESSION['count'] > 100) { die("You have submitted to many times"); } }

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