How to Update PHP Version in WordPress » Rank Math (original) (raw)

If your WordPress site feels slow, runs into compatibility issues, or shows warnings about outdated software, chances are it’s time to update the PHP version of your site.

PHP is the programming language that powers WordPress, and running the latest version ensures your site is faster, more secure, and compatible with modern themes and plugins.

In this post, you’ll learn how to update PHP version in WordPress step by step, so you can keep your website running smoothly without unnecessary risks.

Table Of Contents

  1. Why You Should Update Your PHP Version?
  2. How to Update the PHP Version
  3. Best Practices to Update the PHP Version
  4. Frequently Asked Questions
  5. Wrapping Up the PHP Version Update

1 Why You Should Update Your PHP Version?

Updating your PHP version is one of the best things you can do to keep your WordPress site healthy and reliable. Here’s why it matters for you:

Required PHP version

Now let’s walk through the steps you need to follow to safely update the PHP version of your website.

2.1 Check Your Current PHP Version

Before updating, you should know which PHP version your site is currently running.

To do so, navigate to your WordPress dashboard’s Tools → Site Health page and go to the Info tab, as shown below.

Site Health page

Next, scroll down a little and click to expand the Server tab. This section shows server information, including the PHP version used by your server.

Check PHP Version

You can also check or change the PHP version directly from your hosting control panel. Most major WordPress hosting providers make this quick and simple.

2.2 Back Up Your Website

I always recommend that you should always back up your site before making big changes, including updating the PHP version of your site.

Even though switching PHP versions usually goes smoothly, having a backup gives you peace of mind. If something doesn’t work as expected, you can restore your site in just a few clicks.

Refer to our dedicated tutorial on backing up the WordPress site.

2.3 Update the WordPress Core, Themes, and Plugins

Before updating PHP, you should make sure everything else on your site is up to date. This includes the WordPress core, themes, and plugins. Doing so keeps your site secure, stable, and ready for the latest web standards.

To do so, navigate to the Updates page from your WordPress dashboard. Here, you can find out if there are any updates available for your website.

Updates page

To update the plugins, tick the Select All checkbox and click Update Plugins.

Update plugins

Follow the same steps mentioned above to update your WordPress themes.

Update Themes

To update the WordPress version, click the Update to version button, as shown below.

update WordPress version

2.4 Update the PHP Version of Your WordPress Site

Now that you’ve backed up your site and updated WordPress, themes, and plugins, it’s time to update your PHP version.

The easiest way to do this is through your hosting control panel. Most top hosting providers make it simple, but the exact steps may look slightly different depending on your host.

For this tutorial, let’s walk through the process in Hostinger.

First, log in to your Hostinger account dashboard. After login, navigate to the Websites tab.

Websites tab in Hostinger

Next, navigate to the Advanced → PHP Configuration menu from the left sidebar, as shown below.

Navigate to PHP Configuration

Now, Hostinger will present you with a list of supported and available PHP versions.

Select the PHP version and click the Update button to save your settings.

Select and update the PHP version

You’ll receive a confirmation message on your screen. Click on the Confirm button to update the PHP version.

Click on the Confirm button

The PHP version will be updated within a few seconds.

Note: If your hosting panel looks different or you can’t find the PHP settings, don’t worry. Most hosting dashboards follow a similar structure, and you can always reach out to your hosting provider’s support team for help.

3 Best Practices to Update the PHP Version

Updating your PHP version is easy if you follow these best practices:

4 Frequently Asked Questions

What PHP version should I update to?

It’s advisable to update to the latest stable PHP version supported by your hosting provider.

Will updating PHP break my site or plugins?

Sometimes, updating PHP can cause compatibility issues with older themes or plugins. However, most well-maintained themes and plugins are updated to work with newer PHP versions. Always take a backup of your site before you begin with the update.

Can I revert to the old PHP version if I encounter issues?

Depending on your hosting provider, you can switch to the previous PHP version if problems arise. You can further check with your hosting support for guidance.

Is it necessary to update PHP if my site works fine with the current version?

While your site may function properly with an older PHP version, updating for security reasons is essential. Older PHP versions can become vulnerable to attacks. Regular updates help to protect your site.

How often should I update PHP in WordPress?

PHP updates are released periodically. You should aim to update PHP whenever a new stable version becomes available. Staying up to date ensures ongoing security and performance benefits.

5 Wrapping Up the PHP Version Update

Updating your PHP version helps your WordPress site run better, stay secure, and work smoothly.

With each update, you get faster page load times, fewer compatibility issues, and improved protection against security problems. Running the latest PHP version also helps your site follow good technical practices for SEO.

Take a moment to check your PHP version and update it if needed. Have you updated your site’s PHP version? Share your experience by tweeting @rankmathseo.