Web Hosting General

What is PHP version compatibility and how do I upgrade PHP safely?

PHP versions significantly impact WordPress performance and security. PHP 8.1/8.2 is 2-3x faster than PHP 7.4 for WordPress due to JIT compilation and internal optimizations. PHP versions reach end-of-life and stop receiving security patches (PHP 7.4 EOL: Nov 2022, PHP 8.0 EOL: Nov 2023). However, upgrading blindly breaks sites if plugins/themes have compatibility issues. Safe upgrade process: 1) Create a staging site, 2) Change PHP version on staging via cPanel > PHP Selector, 3) Check for errors in PHP error log, 4) Test all site functionality thoroughly, 5) Fix incompatible plugins/themes, 6) Apply same PHP version to live site. Connect Quest cPanel allows switching PHP versions per account in PHP Selector. Use PHP 8.1 or higher for best performance on connectquest.co.in.

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