How to Change Your PHP Version in cPanel

ByIqra Akram

PHP version will directly impact how your website handles requests, executes scripts, and processes other functionality on the server side. With each new version of PHP, there are improvements in speed, stability, and enhancement of security, while outdated versions may not support necessary updates or functions required by your website. An outdated version might create slow performance, compatibility, or security concerns.

PHP version management enables you to run a stable hosting environment and guarantee that your website always works as intended. cPanel offers tools that help you see, choose, and set the PHP version depending on what the website requires.

Why PHP Version Management Is Important

The process of upgrading or changing versions of PHP will influence how efficiently your website functions, together with how secure it is. The optimized version of PHP will thereby enhance the reliability of your website.

Key benefits include:

  • Enhanced script execution and loading speeds
  • Improved compatibility with the latest themes and plugins
  • Enhanced security via supported PHP releases
  • Fewer warnings and errors due to outdated functions

PHP management maintains stability of your website when there are software requirements.

Checking Your Current PHP Version in cPanel

Before applying any modifications, it is essential to verify the version of PHP being used.

To check your PHP version:

  1. Login into your cPanel account.
  2. Scroll down to the Software section and click on MultiPHP Manager.
  3. Your active PHP version will be shown alongside each domain

This helps you decide whether a change is needed.

Changing PHP Version Using MultiPHP Manager

To update your PHP version via the MultiPHP Manager:

  1. Check the box corresponding to the domain you would like to change (you may check multiple domains, if required).
  2. Choose the PHP version from the dropdown menu.
  3. Click the Apply button to apply your changes. The PHP version you selected will be applied to the domain immediately.

Verify the PHP Version

After you have upgraded PHP version through MultiPHP Manager, it is recommended to verify the update and make sure that PHP configuration is set properly.

To verify:

  1. Open File Manager from cPanel.
  2. Go to the root directory of your website, which is usually public_html or the folder where all the files for your website are kept.
  3. Check the following files:
    • php.ini: This file holds PHP configuration settings.
    • user.ini: Sets PHP configuration parameters specific to the account.
    • .htaccess: Contain PHP version or handler directives.
  4. Open each file by right-clicking the file and choosing the option Edit.
  5. Now, check your PHP settings in the following files to ensure your settings are correct and not causing any conflicts with your chosen version of PHP.

Things to Check After Changing PHP Version

After changing versions of PHP, it is important to verify everything is working properly on your website.

Recommended checks:

  • Load a few pages on your website.
  • Test forms and interactive Components.
  • Login to admin dashboard.
  • Examine error logs using cPanel.

Monitoring helps detect potential compatibility problems.

Typical Problems When Upgrading PHP Versions

There can be problems for some sites after PHP upgrades.

Website Not Loading

Possible causes:

  • Incompatible plugins or themes
  • Outdated scripts

Solution: Roll back to a previous PHP version and make necessary component upgrades.

500 Internal Server Error

This error can occur because of:

  • Unsupported PHP version
  • Configuration rules that are invalid

Solution: Check the error log for any issues and make sure the chosen PHP version is compatible.

Warning or Notice Messages

These are usually indications of outdated code

Solution: Update themes, plugins, and/or scripts to work with the chosen PHP version.

Best Practices for Updating PHP Version

To minimize risk and prevent downtime:

  • Create a complete website backup before making changes
  • Keep themes and plugins updated
  • Avoid unsupported PHP versions
  • Examine error logs after updates
  • Perform updates during off-peak times

These practices ensure that a smooth transition is achieved.

When to Upgrade Your PHP Version

You would need to change your PHP version if:

  • Your website performance is down
  • Scripts or plugins requires a newer version of PHP
  • Compatibility warnings appear
  • Your current PHP version is no longer supported

Upgrading PHP ensures your hosting environment remains secure, efficient, and reliable, allowing your websites to function optimally with minimal issues. By taking a proactive approach to PHP updates, your websites stay stable, compatible with applications, and consistently perform at their best.

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