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memory_get_usage

(PHP 4 >= 4.3.2, PHP 5)

memory_get_usage — Returns the amount of memory allocated to PHP

Описание

int memory_get_usage ([ bool $real_usage ] )

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

Список параметров

real_usage

Set this to TRUE to get the real size of memory allocated from system. If not set or FALSE only the memory used by emalloc() is reported.

Возвращаемые значения

Returns the memory amount in bytes.

Список изменений

Версия Описание
5.2.1 Compiling with --enable-memory-limit is no longer required for this function to exist.
5.2.0 real_usage was added.

Примеры

Example#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

?>

Смотрите также


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PHP Manual