Solving WordPress Out of Memory Problems: Four Ways to Increase PHP Memory Limits

Understanding PHP Memory Limits in WordPress

If you encounter a "Fatal error: Allowed XXXX bytes memory size exhausted" error while editing your WordPress site, it may be due to insufficient PHP memory limit.

What is PHP Memory Limit?

The PHP memory limit is the maximum amount of memory that can be used by a PHP script on a server.WordPress requires a certain amount of memory to run, and exceeding this limit will result in errors and crashes.

How can I detect memory limit problems?

This can be accessed from the WordPress dashboard via the " " tool to detect if you are experiencing memory limitation problems. This tool will help you identify problems with your website and provide suggestions for fixing them.

How do I increase the PHP memory limit for WordPress?

Here are four easy ways to increase the PHP memory limit for WordPress:

Method 1: via wp-config.php file

1. Open the wp-config.php file in the root directory of your WordPress installation.
2. Add the following code:

define('WP_MEMORY_LIMIT', '256M');
define('WP_MAX_MEMORY_LIMIT', '256M');

3. Save the file. This sets the memory limit to 256MB.

Method 2: Via .htaccess file

1. Connect to your site using an FTP client and locate the .htaccess file in the root directory.

2. Add the following code to the file:php_value memory_limit 256M
3. Save the file and upload it. This sets the memory limit to 256MB.

Method 3: via php.ini file

1. Find the location of your php.ini file, which can be found with the following code:

2. Open the php.ini file and find the memory_limit Set and modify it to:

memory_limit = 256M

3. Save the file and upload it.

Method 4: Setup via Server and Hosting Panel

1. If using cPanel, navigate to "hardware" section and use the MultiPHP INI editor.
2. Select the domain to be modified and adjust the memory limit value.

If you are unable to make the change yourself, you can contact your hosting provider for assistance.

Verify that the PHP memory limit has been increased

1. log in WordPress DashboardGo to "artifact"➡️"Site Health"Part.
2. Click "text" tab, scroll to "server (computer)" section to find the PHP memory limit settings.
3. If the value increases to the amount you set, the change has taken effect.

Summary:

When using a WordPress website with a PHP memory limit issue, it is usually the maximum amount of memory used by PHP scripts on the server that exceeds the limit causing the website to crash. This can be done by editing the wp-config.php Documentation,.htaccess Documentation,php.ini file, or increasing the memory limit through the server hosting panel, can effectively solve this problem.

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