Allowed memory size of 1610612736 bytes exhausted (tried to allocate 4096 bytes) in phar://D:/xampp/htdocs/composer.phar/src/Composer/DependencyResolver/RuleWatchGraph.php on line 52 code example

Example 1: Fatal error: Allowed memory size of 1610612736 bytes exhausted

Fatal error: Allowed memory size of 1610612736 bytes exhausted

export COMPOSER_MEMORY_LIMIT=-1
and restart composer update

Example 2: Allowed memory size of 1610612736 bytes exhausted 4096

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