I recently purchased an examination software plugin called EduExpression for WordPress. However, I got the below error while setting up the plugin.
PHP Fatal error: Call to undefined function bcmod()
How to fix Call to undefined function bcmod
In this tutorial, I’ll explain how to fix Call to undefined function bcmod() error. According to the error, it’s clear that the plugin is dependent on the
BCMATH support. Hence, installing
bcmath for PHP should solve this error. Installing
bcmath for PHP is quite simple, as you just need to install it using
#yum install php-bcmath
This will install the
bcmath extension corresponding to the version of PHP installed on your system.
If you need to install the
bcmath extension to a specific version of PHP like 5.6, then follow the below command:
#yum install php56-php-bcmath
Once installed, restart corresponding
php-fpm (If you are running php-fpm) as below:
#systemctl restart php-fpm
or specifically if you are running php56-php-fpm
#systemctl restart php56-php-fpm
And then restart the webserver
#systemctl restart nginx
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