
	downloads \| documentation \| faq \| getting help \| mailing lists \| reporting bugs \| php.net sites \| links \| my php.net

search for in the

main	php_ini_scanned_files

	Last updated: Mon, 16 Jul 2012

memory_get_usage

(PHP 4 >= 4.3.2, PHP 5)

memory_get_usage -- Returns the amount of memory allocated to PHP

Description

int memory_get_usage ( void )

Returns the amount of memory, in bytes, that's currently being allocated to your PHP script.

memory_get_usage() will only be defined if your PHP is compiled with the --enable-memory-limit configuration option.

例子 1. A memory_get_usage() example

<?php // This is only an example, the numbers below will // differ depending on your system echo memory_get_usage() . "\n"; // 36640 $a = str_repeat("Hello", 4242); echo memory_get_usage() . "\n"; // 57960 unset($a); echo memory_get_usage() . "\n"; // 36744 ?>