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Returns the amount of memory allocated to PHP
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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

Beschreibung

int memory_get_usage ([ bool $real_usage ] )

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

Parameter Liste

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.

Rückgabewerte

Returns the memory amount in bytes.

ChangeLog

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

Beispiele

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

?>

Siehe auch

PHP Optionen/Info
PHP Manual