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
?>