Magento 2 Development Fix: Solving the bccomp() Undefined Function Error

When working with Magento 2, developers often encounter errors that can disrupt the smooth functioning of their online stores. One such error is the "Call to undefined function bccomp()". This guide will walk you through the causes of this error and provide a step-by-step solution to fix it.

What is the bccomp() Function?

The bccomp() function is part of the BCMath (Binary Calculator) extension in PHP. It is used to compare two arbitrary precision numbers. Magento 2 relies on this function for operations involving precise mathematical calculations, especially when handling large numbers or currency calculations.

Why Does This Error Occur?

The "Call to undefined function bccomp()" error typically occurs because the BCMath extension is not enabled in your PHP configuration. Without this extension, PHP cannot recognize the bccomp() function, resulting in this error.

After making the changes, verify that BCMath is active. Clear Magento cache and recompile to ensure the changes take effect.

Reload your Magento 2 store. The error should now be resolved.
The "Call to undefined function bccomp()" error is a common issue caused by a missing PHP extension. By following the steps above, you can quickly diagnose and fix the problem, ensuring your Magento 2 store operates smoothly.

If you continue to experience issues, double-check your PHP version and configuration, as compatibility issues may sometimes cause similar errors.

For a detailed blog:https://blog.meetanshi.com/call-to-undefined-function-bccomp-in-magento-2/