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memory_get_usage

memory_get_usage

(PHP 4 >= 4.3.2, PHP 5)

memory_get_usage -- Returns the amount of memory allocated to PHP

Popis

int memory_get_usage ( [bool real_usage] )

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

Seznam parametrů

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.

Návratové hodnoty

Returns the memory amount in bytes.

ChangeLog (záznam změn)

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

Příklady

Příklad 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

?>