Returns the amount of memory allocated to PHP - Справочник: PHP5.4

Описание

int memory_get_usage ([ bool $real_usage = false ] )

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

Пример #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

memory_get_peak_usage() - Returns the peak of memory allocated by PHP
memory_limit