Ticket #44458: memory-plugin-1.php

<?php
/*
Plugin Name: A plugin that uses a lot of memory while loading
Plugin URI: http://localhost/
Description: Uses a lot of memory while the plugin loads
Author: mattr
Version: 1.0
*/

define('WASTE_MEMORY_MB', 119);
//define('WASTE_MEMORY_MB', 55);


function waste_memory() { 
        error_log('Current memory usage: ' . memory_get_usage());
        error_log('  Allocating memory: ' . WASTE_MEMORY_MB . 'MB');

        // 8 bytes x 128 x 1024 = 1 MB, multiplied by the constant
        $_SERVER['wasted_memory'] = str_repeat('12345678', 128 * 1024 * WASTE_MEMORY_MB);

        error_log('  Memory after allocation: ' . memory_get_usage());
}

// Use up some memory now, while loading plugins
waste_memory();