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

Composer Memory Exhaustion Error with HWIOAuthBundle Installation

When attempting to install the HWIOAuthBundle via composer require, you may encounter an "Allowed memory size exhausted" error. This indicates that Composer is running out of memory while resolving dependencies.

Solution:

1. Increase the memory limit:

   • Edit your php.ini file (e.g., /etc/php5/cli/php.ini for Debian) and set memory_limit = -1 for unlimited memory or specify an explicit value (e.g., 2G).

   • Alternatively, increase the limit with a command-line argument:

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

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2. Check loaded PHP.ini files:

   • Run php --ini to display the location of the loaded PHP.ini files. Ensure that you are modifying the correct file.

3. Quick solution (macOS/Linux):

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

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4. Quick solution (Windows):

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

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