How to Fix Composer's 'Allowed memory size... exhausted' Error During Package Installation?

Troubleshooting Composer Require Out of Memory Error

Attempting to install HWIOAuthBundle in your project using composer require results in an "Allowed memory size... exhausted" error. Despite increasing memory_limit to 2G in the php.ini file, the error persists.

To resolve this issue, you may try the following:

• Adjust memory_limit in php.ini:

  • Check the current memory limit using php -r "echo ini_get('memory_limit').PHP_EOL;"

  • Increase the limit in the php.ini file (e.g., /etc/php5/cli/php.ini for Debian systems):

    ; Use -1 for unlimited or define an explicit value like 2G
    memory_limit = -1

• Use a command-line argument:

  php -d memory_limit=-1 composer.phar require hwi/oauth-bundle php-http/guzzle6-adapter php-http/httplug-bundle

• Check loaded php.ini files:

  php --ini

• Quick fix options:

  php composer.phar COMPOSER_MEMORY_LIMIT=-1 require hwi/oauth-bundle php-http/guzzle6-adapter php-http/httplug-bundle

  or

  COMPOSER_MEMORY_LIMIT=-1 composer require hwi/oauth-bundle php-http/guzzle6-adapter php-http/httplug-bundle

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