PHP函数strip_tags的一个bug浅析_PHP
PHP 函数 strip_tags 提供了从字符串中去除 HTML 和 PHP 标记的功能,该函数尝试返回给定的字符串 str 去除空字符、HTML 和 PHP 标记后的结果。
由于 strip_tags() 无法实际验证 HTML,不完整或者破损标签将导致更多的数据被删除。
比如下述代码:
复制代码 代码如下:
通过 strip_tags($str, ‘
复制代码 代码如下:
而实际操作结果是这样的:
复制代码 代码如下:
这一切都是因为加红的那个左尖括号,查了 PHP 的文档,有一个警告提示:
由于 strip_tags() 无法实际验证 HTML,不完整或者破损标签将导致更多的数据被删除。
既然在执行过滤前无法验证代码正确性,遇到和标签相关的字符 “” 后面的代码就全挂了!

Hot AI Tools

Undresser.AI Undress
AI-powered app for creating realistic nude photos

AI Clothes Remover
Online AI tool for removing clothes from photos.

Undress AI Tool
Undress images for free

Clothoff.io
AI clothes remover

AI Hentai Generator
Generate AI Hentai for free.

Hot Article

Hot Tools

Notepad++7.3.1
Easy-to-use and free code editor

SublimeText3 Chinese version
Chinese version, very easy to use

Zend Studio 13.0.1
Powerful PHP integrated development environment

Dreamweaver CS6
Visual web development tools

SublimeText3 Mac version
God-level code editing software (SublimeText3)

Hot Topics

In this chapter, we will understand the Environment Variables, General Configuration, Database Configuration and Email Configuration in CakePHP.

PHP 8.4 brings several new features, security improvements, and performance improvements with healthy amounts of feature deprecations and removals. This guide explains how to install PHP 8.4 or upgrade to PHP 8.4 on Ubuntu, Debian, or their derivati

To work with date and time in cakephp4, we are going to make use of the available FrozenTime class.

To work on file upload we are going to use the form helper. Here, is an example for file upload.

In this chapter, we are going to learn the following topics related to routing ?

CakePHP is an open-source framework for PHP. It is intended to make developing, deploying and maintaining applications much easier. CakePHP is based on a MVC-like architecture that is both powerful and easy to grasp. Models, Views, and Controllers gu

Visual Studio Code, also known as VS Code, is a free source code editor — or integrated development environment (IDE) — available for all major operating systems. With a large collection of extensions for many programming languages, VS Code can be c

Validator can be created by adding the following two lines in the controller.
