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

Example: Allowed memory size of 1610612736 bytes exhausted (tried to allocate 4096 bytes) laravel

1. Firstly i find which php.ini is working because i was using multiple xampp,
  so using : php --ini
2. after that in that file i updated the memory_limit = -1