How to avoid same-origin policy issues in PHP language development?

PHPz
Release: 2023-06-10 10:10:01
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With the development of the Internet, Web applications have become more and more common, and PHP, as a popular Web programming language, is widely used in website development. However, one security issue that developers need to pay attention to is the Same-Origin Policy. The same-origin policy is a security measure of web browsers that restricts interactions between scripts from different origins. This article will introduce how to avoid same-origin policy issues in PHP language development.

1. What is the same-origin policy?

The same-origin policy is a security restriction implemented by web browsers that restricts access between scripts from different sources (that is, different protocols, domain names, or port numbers). The same origin policy is often used to prevent security issues such as cross-site scripting (XSS) and cross-site request forgery (CSRF). The same-origin policy prevents attacks from malicious websites while protecting user privacy and security.

2. How to avoid same-origin policy issues?

  1. Using JSONP

JSONP (JSON with Padding) is a way to bypass the same-origin policy and can request data across domains. JSONP dynamically creates a

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