Answers for "what does php memory limit mean"

php memory_limit unlimited

//Unlimited momory limit
ini_set('memory_limit', '-1');

//Fixed memory limit
ini_set('memory_limit','2048M');

memory_limit php

Terminal:

	php --ini
  
	vi /usr/local/etc/php/7.4/php.ini
      
php.ini
     
	 Search for the string memory_linit
       
     	Press Esc :/memory_limit
          
     Then press i and change the value to -1
          // -1 : We don't limit the quantity of memory of PHP
          memory_limit = -1 // By default = 128M
          
      Then press Esc:w to save and Esc:q to close the file