A PHP version refers to the specific release of the PHP programming language running on your website. PHP powers most dynamic websites, and the selected version directly impacts performance and security.

Why Is the PHP Version Important?

• Affects website speed and performance
• Ensures security updates are applied
• Determines compatibility with CMS platforms
• Improves server resource efficiency

Risks of Using an Outdated PHP Version

• No security patches
• Incompatibility with new plugins or themes
• Unexpected errors or site crashes

Which PHP Version Should You Use?

You should always choose the latest stable PHP version supported by your website software. For WordPress websites, PHP 8.x versions are generally recommended.

Things to Consider When Changing PHP Versions

• Create a full backup before changes
• Check theme and plugin compatibility
• Test changes in a staging environment

Web Hosting and PHP Management

Modern web hosting services allow easy PHP version switching via the control panel.

Conclusion

Choosing the correct PHP version is essential for maintaining a secure, fast, and stable website.