Composer Memory Limit - PHP

Composer is a popular Dependency Manager for PHP that allows for easy installation and management of packages required for a project. However, Composer might sometimes run into memory-related issues, especially when dealing with large projects or packages.

In such cases, increasing the memory limit for Composer becomes necessary. This can be done by setting the COMPOSER_MEMORY_LIMIT environment variable.

To set the memory limit to 2G, simply run:

COMPOSER_MEMORY_LIMIT=2G composer {command}

Where {command} is the Composer command you wish to run, e.g., install, update, require.

It’s also possible to permanently set the memory limit for all Composer commands by adding the following line to your .bashrc or .bash_profile file:

export COMPOSER_MEMORY_LIMIT=-1

The -1 value sets the memory limit to unlimited, allowing Composer to use as much memory as it needs.

Remember, a higher memory limit can provide better performance when working with large projects, but it’s important to strike a balance between performance and memory usage to avoid any potential issues.

Overall, it’s important for PHP developers to be aware of the Composer memory limit and know how to adjust it when necessary to avoid any issues during package installation or management.