When developers need to display PHP source code on web pages, the built-in highlight_file() function of PHP is a very convenient method. It can output the code of PHP files directly in syntax highlighting, which is ideal for document presentations, tutorial websites, or code sample demonstrations.

The strip_tags() function is used to remove all HTML and PHP tags from a string. Its basic syntax is as follows:

2. Why should we pay attention to character escaping? If user input or dynamic content is output directly, it may cause HTML structure to be corrupted or security vulnerabilities (such as XSS attacks). For example:

How to Properly Escape HTML Entities in PHP Using the get_html_translation_table Function

The basic syntax of the get_meta_tags function is as follows:

1. Basic usage of mb_strcut mb_strcut intercepts strings in bytes. Unlike mb_substr, mb_strcut is intercepted by bytes and is often used to process multi-byte encoding.

In PHP programming, the sprintf function is a very useful tool that formats strings and inserts dynamic values ​​into predefined string templates. Using the sprintf function can make the code more concise and easy to maintain. This article will explore how to use the sprintf function to generate HTML tables and show some practical tips and methods.