Wordpress is widely used open-source CMS and it is coded in PHP and MySQL. Wordpress provides a few debug options which will help you to find the error logs. Once you find the error logs for Wordpress Website, it will be very useful to fix your issues. Following are the tips to enable the PHP error log.
Enable Debug from Wp-Config File
You can enable Wordpress error from the wp-config.php file. By Default error log will be disabled, you will need to make some configuration changes to enable the Debug. Wordpress uses PHP Constant to enable the debug. You can edit the wp-config.php file and do the below changes it will impact on the entire Wordpress to enable error log.
define( ‘WP_DEBUG’, true );
Once you enable the Wordpress error log, all PHP errors, notices, and warnings will be displayed on your website. You can enter the below line inside your wp-config.php file. It will store the error in the debug.log file located inside the wp-content.
define( ‘WP_DEBUG_LOG’, true );
WP_DEBG_DISPLAY will prevent the errors to appear on the website. By default this option will be set to True, we will need to make changes to disable it.
define( ‘WP_DEBUG_DISPLAY’, false );
We recommend you to make the following changes in your WordPress .htaccess file to restrict the access of debug.php publically. You can also set 600 permission to the debug.php file. Once you do this, debug.php will not be accessible on the web. However, you can access the file within your Wordpress.
<Files debug.log> Order allow,deny Deny from all <Files/>