PHP Dokumentation: Function memory-get-usage
12. Januar 2010 von werner
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 $real_usage = false ] )
Returns the amount of memory, in bytes, that's currently being allocated to your PHP script.
Parameter-Liste
- real_usage
Set this to TRUE to get the real size of memory allocated from system. If not set or FALSE only the memory used by emalloc() is reported.
Rückgabewerte
Returns the memory amount in bytes.
Changelog
| Version | Beschreibung |
|---|---|
| 5.2.1 | Compiling with –enable-memory-limit is no longer required for this function to exist. |
| 5.2.0 | real_usage was added. |
Beispiele
Beispiel #1 A memory_get_usage() example
<?php
// This is only an example, the numbers below will
// differ depending on your systemecho memory_get_usage() . "\n"; // 36640$a = str_repeat("Hello", 4242);echo
memory_get_usage() . "\n"; // 57960unset($a);echo
memory_get_usage() . "\n"; // 36744?>Siehe auch
- memory_get_peak_usage() – Returns the peak of memory allocated by PHP
- memory_limit
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