How to Update WordPress PHP Version

WordPress 5.2+ brought a lot of features to the platform including the Gutenberg which replaced the old WordPress classic interface. However, to save your WordPress site from hackers you have to pay attention to software update on the platform which includes the PHP update, plugins, and themes update. When you failed to update WordPress PHP to the latest version that matches your current WordPress version you might suffer a hacker attack that will tank your site traffic.

Another reason to update WordPress PHP is to boost performance and to increase site speed. However, if you have seen the PHP update notification that you are running a lower version of the PHP script here is how to upgrade to the PHP version that matches your WordPress site version.

Check: How to fix Grammarly not working in WordPress site

This tutorial only works for WordPress platform. Other platforms should visit their platforms forum for a guide on how to upgrade site PHP to the latest version.Update WordPress PHP

Check WordPress PHP Version

If you have not updated your WordPress site PHP version in the recent time you’d probably be running a lower version. However, if you are running PHP version 7.0 you are at the risk of your site been hacked.

However, they are two ways to check the WordPress PHP version for a WordPress site and these are:

How to Check WordPress PHP Version using Plugin

The easiest approach to check a site PHP version on the WordPress platform is using a plugin and here is how:

1. Log into your WordPress siteUpdate WordPress PHP

2. Go to plugins >> Add newSearch for plugin

3. Search for Display PHP Version, install and activate the pluginInstall Display PHP version

4. Click on-screen options >> tick at a GlanceUpdate WordPress PHP

5. Click on expand “At a Glance” and you see the PHP version you are currently running.At a Glance

As you can see from the above screenshot, the site used in this guide is currently updated to PHP 7.3.8 which is the latest PHP that is available for me on my host to upgrade to.

Check for WordPress PHP Version in cPanel

If you are using a control panel (cPanel) to manage your WordPress host you can as well check for your site PHP version.

1. Log into your cPanel Login WordPress cPanel

2. Scroll down to software >> Select PHP versionSelect Software and go to PHP version

3. Wait for the PHP interface to open and check your current PHP versionUpdate WordPress PHP

The current PHP version that works perfectly with the site is the version 7.2. When I tried to upgrade to verion 7.3 it shows that they PHP version isn’t compatible with the WordPress version.

Therefore, before you move ahead to update WordPress PHP in your site it’s important to check for the PHP compatibility so that you won’t run into an error in your WordPress site.

WordPress PHP Compatibility Checker

A step by step approach to check the version of the PHP script that will work with your WordPress site. This is important as it’ll help you to know which PHP version is compatible with your WordPress version.

1. Log into your WordPress siteUpdate WordPress PHP

2. Go to Plugins >> Add newSearch for plugin

3. Search and install “PHP Compatibility Checker”Install PHP Checker

4. Tap on the activate button to activate the PHP version checker

5. Go to Tools >> PHP CompatibilityPHP Compatibility Checker

6. Start by selecting the latest version of the PHP and choose all plugins and themes to scan for your site PHP compatibility.Scan all site

7. Click on the Scan site buttonScan site for PHP compatibility

8. Just hang on and let the PHP compatibility checker scan through your site for compatible PHP and make sure the results are all good.Scanned result

Note: You can download the PHP checker compatibility for proper evalution after you’ve successfully updated your WordPress site PHP to the latest version that is compatible with your site.

How to Update WordPress PHP

Firstly, you need to check out the version of PHP that is best compatible with your WordPress site before you go ahead to upgrade the older version to the new release.

1. Log into your WordPress site cPanelLogin WordPress cPanel

2. Scroll down to Software and Select PHP versionSelect PHP version

4. Select the PHP version that best compatible with your siteCurrent Version

5. Tap on set as the current versionSet as current

Now, check your site whether the PHP update notification is still showing or not. There is a possibility that your site will show error message if you site has massive traffic. However, if your site doesn’t show any error make sure you monitor it for a couple of hours to make sure everything is working fine.

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