Encountering the Undefined Function Error: App\Http\Controllers\bcmul() in Laravel 5.5 – Let’s Resolve It!

Oh no! 😱 It seems you’ve encountered the “Call to undefined function App\Http\Controllers\bcmul() in Laravel 5.5” error. Don’t worry! πŸ’‘ This issue occurs when the PHP BCMath extension is not installed or enabled on your server. To resolve it, simply go ahead and install or enable the BCMath extension on your PHP installation, and you’re all set! πŸŽ‰ Your Laravel 5.5 application should now work smoothly without any hiccups. 😁 Happy coding! πŸš€πŸ‘©β€πŸ’»πŸ‘¨β€πŸ’»

Encountering the Undefined Function Error in Laravel 5.5

🎯 Encountering the Undefined Function Error: App\Http\Controllers\bcmul() in Laravel 5.5 – Let’s Resolve It! πŸš€

Hey there, Laravel developers! πŸ‘‹ If you’ve stumbled upon an ‘undefined function error’ in your Laravel 5.5 project – particularly, the ‘App\Http\Controllers\bcmul()’ error – or you just want to learn about potential pitfalls in the Laravel world, you’ve come to the right place! πŸŽ‰

In this article, we’ll discuss 🧐 the reasons behind the ‘undefined function’ error, focus on the ‘bcmul()’ function, and then provide a step-by-step guide to resolving the issue in your Laravel 5.5 project. So, let’s get started! 🚴

🌟 Table of Contents 🌟

  1. What is Laravel? πŸ€”
  2. When and Why Did App\Http\Controllers\bcmul() Error Occur? πŸŒͺ
  3. What are the Causes for App\Http\Controllers\bcmul() Error? 🚧
  4. A Step-by-step Guide to Fixing the App\Http\Controllers\bcmul() Error πŸ› οΈ
  5. A Recap of Key Takeaways! βœ”οΈ

🎈 1. What is Laravel? πŸ€”

Laravel πŸ’Ž is a popular, open-source PHP web application framework known for its elegant and expressive syntax. Laravel aims to simplify the process of web development, making it more accessible and enjoyable for developers to create beautiful and robust applications. Some of its flagship features include routing, caching, authentication, and much more – say, hello to supercharged web development! πŸ™Œ

πŸŒͺ 2. When and Why Did App\Http\Controllers\bcmul() Error Occur?

While Laravel is undoubtedly a fantastic framework, it’s not perfect (who is, though? 🀷) And, unfortunately, you may come face-to-face πŸ‘€ with certain errors – one being the ‘undefined function’ error.

When executing arithmetic operations on big numbers, the ‘bcmul()’ function is often used. If it’s not currently enabled in your PHP configuration, you’ll be greeted with the following error:

Undefined Function: App\Http\Controllers\bcmul()

Quick tip: If you are encountering this error, it is possible that you are using a plugin, or package, that is misbehaving πŸ˜’. Check any plugins or packages using the function before you begin troubleshooting!

🚧 3. What are the Causes for App\Http\Controllers\bcmul() Error?

Before diving headfirst into the fix, let’s see what could be the potential reasons behind this prevailing issue. Understanding the causes will help you in identifying πŸ•΅οΈβ€β™‚οΈthe root of the problem and make sure it doesn’t surface in the future.

Here are the main causes of the ‘App\Http\Controllers\bcmul()’ error:

  • The ‘bcmath’ extension πŸ§ͺ is not enabled in PHP.
  • ‘bcmath’ not being properly installed on your server.

πŸ› οΈ 4. A Step-by-step Guide to Fixing the App\Http\Controllers\bcmul() Error

πŸ’‘ Now, let’s move on to the solution. Simply follow these steps to resolve the issue and get your Laravel project back on track! πŸš‚

Step 1: Check if Bcmath is installed and enabled on your server πŸ’‘

Before we proceed, let’s first check if the ‘bcmath’ extension is installed and enabled on your server.

❗️ Note: If you’re on shared hosting or don’t have access to the server’s php.ini file, contact your server administrator.

To check if ‘bcmath’ is installed, you can create a simple PHP file and use the ‘phpinfo();’ function. Let’s name the file ‘phpinfo.php’:


Upload this file to your server and access it through your browser 🌐. Look for ‘bcmath’:

PHP Info

If ‘bcmath’ is listed, it is installed on your server. If not, you need to install the extension.

Step 2: Install the ‘bcmath’ extension 🧰

To install the ‘bcmath’ extension, you can follow the steps below based on your server’s operating system:

πŸ’» For Ubuntu:

sudo apt-get install php-bcmath

πŸ–₯ For CentOS:

sudo yum install php-bcmath

🍏 For Mac using Homebrew:

brew install php-bcmath

Step 3: Enable the ‘bcmath’ extension βš™οΈ

Now that ‘bcmath’ is installed, make sure it’s enabled in your PHP configuration (php.ini). Look for the line containing ‘bcmath.so’ and uncomment it (remove the semicolon at the beginning of the line).

Here’s an example of the configuration line:


Change it to:


If you can’t find the line, you can add it at the end of the ‘extensions’ section.

Step 4: Restart your web server πŸ”„

After enabling the ‘bcmath’ extension, restart your webserver to make sure your changes take effect.

For example, if you’re using Apache, you can execute the following command:

sudo service apache2 restart

πŸŽ‰ Hooray! Time for a victory dance! You’ve successfully resolved the ‘App\Http\Controllers\bcmul()’ error in Laravel 5.5, and your app should now function smoothly! πŸ†

βœ”οΈ 5. A Recap of Key Takeaways!

We hope this article helps you to wade through the stormy seas ⛡️ of error messages and come out victorious! Remember:

  1. The ‘App\Http\Controllers\bcmul()’ error occurs when the ‘bcmath’ extension is not enabled in PHP.
  2. The solution involves checking if ‘bcmath’ is installed, installing it if necessary, enabling it in the PHP configuration, and restarting the webserver.

Don’t let a pesky error message dampen your enthusiasm for building incredible Laravel applications! Keep on learning, growing, and creating amazing things. Happy coding, developers! πŸŽ‰πŸ’»πŸ‘©β€πŸ’»πŸ‘¨β€πŸ’»

Disclaimer: We cannot guarantee that all information in this article is correct. THIS IS NOT INVESTMENT ADVICE! We may hold one or multiple of the securities mentioned in this article. NotSatoshi authors are coders, not financial advisors.