Introduction

In the world of WordPress, understanding your website’s technical specifications is vital for optimal performance and security. One key aspect is your site’s PHP version. Knowing how to check PHP version WordPress can help you ensure your website runs smoothly, remains secure, and utilizes the full power of WordPress features. In this article, we’ll navigate through the ins and outs of PHP versions in WordPress, explaining why it matters, how to check it, troubleshooting tips, and much more. Let’s dive right in!

Understanding PHP in WordPress

PHP, which stands for Hypertext Preprocessor, is a server-side scripting language designed for web development. WordPress is built using PHP, and various contemporary plugins and themes rely on this programming language to function effectively. Regular updates to PHP not only enhance performance but also fortify security against vulnerabilities.

What is the importance of PHP Versions?

Each version of PHP comes with improvements, bug fixes, and security enhancements. For instance, using an outdated PHP version may expose your WordPress site to threats and could lead to slower performance. Keeping your site updated with a compatible PHP version ensures better speed, performance, and compatibility with plugins and themes.

Common PHP Versions Used in WordPress

As of now, PHP is available in several versions, including 7.3, 7.4, and the latest PHP 8.x series. Each version typically has a different end-of-life date, indicating when it no longer receives official support or updates. Regularly checking and updating your PHP version helps mitigate risks associated with vulnerabilities inherent in older versions.

How to Check PHP Version in WordPress

Now that we understand the significance of PHP versions in WordPress, let’s explore how to check which version is running on your site. Here are several methods you can use:

Using a Plugin

The most straightforward method to check the PHP version is by using WordPress plugins like “Display PHP Version.” Installing this plugin allows you to view the current PHP version in the admin area quickly.

• Step 1: Go to the WordPress dashboard.
• Step 2: Navigate to <Plugins > Add New.
• Step 3: Search for “Display PHP Version” and click “Install Now.”
• Step 4: After installing, you’ll find the PHP version displayed at the bottom of your dashboard.

Using WordPress Site Health

WordPress has a built-in feature known as Site Health that shows essential information about your website’s performance, including the PHP version.

• Step 1: In the WordPress dashboard, go to <Tools > Site Health.
• Step 2: Click on the “Info” tab to access detailed information about your site.
• Step 3: Scroll down to find the PHP version listed under the “Server” section.

Using a PHP File

If you prefer a more hands-on approach, you can create a PHP file to check your version:

• Step 1: Open a text editor and create a new file called phpinfo.php.
• Step 2: Add the following line of code:
• Step 3: Save the file and upload it to your WordPress root directory using FTP.
• Step 4: Visit yourdomain.com/phpinfo.php to see your PHP version and other relevant server information.

Remember to delete this file after you’re done checking, as it can expose sensitive server information.

Benefits of Keeping Your PHP Version Updated

Updating your PHP version might require some effort, but the benefits outweigh the hassle. Some of the key advantages include:

Improved Performance

Newer PHP versions are generally faster and more efficient. Websites running on the latest versions can experience significant speed boosts, leading to better overall performance and improved user experience.

Enhanced Security

Security is perhaps the most crucial reason to keep your PHP version updated. Older PHP versions no longer receive security patches, making them increasingly vulnerable to attacks. By updating regularly, you protect not just your site but also your visitors.

Better Compatibility with Themes and Plugins

Many modern WordPress themes and plugins are optimized for the latest PHP versions. Running your site on an outdated version might lead to compatibility issues that could break your website.

Troubleshooting Common PHP Version Issues in WordPress

Sometimes, you might face issues after updating your PHP version. Here are a few common problems and solutions:

The Site Doesn’t Load or Displays Errors

It’s not uncommon for older themes or plugins to conflict with newer PHP versions. If you encounter loading issues, consider switching to a default WordPress theme like Twenty Twenty-One, and deactivate all plugins. Then, reactivate them one by one to identify the culprit.

White Screen of Death

This infamous error usually occurs due to a PHP error or memory exhaustion. Enabling debugging mode in your wp-config.php file can provide insights into the issue. To enable debugging, add the following line:

define('WP_DEBUG', true);

Once debugging is enabled, you can view error details and take appropriate actions.

Incompatible Plugins and Themes

If you find that certain plugins or themes cease to function after a PHP update, check for updates for those plugins or themes. Often developers release updates to ensure compatibility with the latest PHP versions.

Comparing Different PHP Versions

When to check PHP version in WordPress, it might be helpful to compare recent versions and their benefits.

PHP 7.3 vs PHP 7.4

While both versions offer significant performance improvements over earlier iterations, PHP 7.4 introduced features like arrow functions and typed properties, making it a more efficient choice for developers.

PHP 7.4 vs PHP 8.0

PHP 8.0 introduced Just in Time (JIT) compilation, leading to even greater performance enhancements. If your hosting provider supports it, transitioning to PHP 8.0 could greatly benefit your site in terms of speed and execution.

Tips for Managing PHP on Your WordPress Site

Regularly Check Your PHP Version

Aim to review your PHP version every few months, especially after major WordPress updates. Regular checks ensure your site is always optimized for the best performance and security.

Select a Good Hosting Provider

Your choice of hosting can significantly impact your PHP experience. Opt for a reliable hosting provider that offers timely PHP updates and support. WPCare provides dedicated WordPress hosting plans that include PHP version management.

Consider Managed WordPress Hosting

Managed WordPress hosting can simplify your life, as they often handle all backend concerns, including PHP updates. This option tends to provide better security and faster load speeds.

Conclusion

Understanding and managing your PHP version is essential for a seamless and secure WordPress experience. Keeping your PHP version updated enhances your site’s performance, security, and compatibility with themes and plugins. Regular checks, utilizing plugins, and seeking professional help when needed—such as from WPCare’s customer support—will ensure your website remains in peak condition.

If you’re unsure about your current PHP version or need help optimizing your site, consider our Free Website Audit or schedule a Free Consultation. Protect your WordPress site and ensure its long-term success today!

How to Check PHP Version in WordPress