memory_get_usage

memory_get_usage

Returns the amount of memory allocated to PHP

int **memory_get_usage** bool $real_usage

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

real_usageSet this to true to get total memory allocated from system, including unused pages. If not set or false only the used memory is reported.

Opmerking: > PHP does not track memory that is not allocated by emalloc()

Returns the memory amount in bytes.

Voorbeeld: A 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

?>

memory_get_peak_usagememory_limit