PHP memory_get_usage function

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memory_get_usage

(PHP 4 >= 4.3.2, PHP 5)

memory_get_usage — Returns the amount of memory allocated to PHPDescriptionint memory_get_usage ( [bool real_usage] )

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

Parameters

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.


Return Values

Returns the memory amount in bytes.

ChangeLog

VersionDescription5.2.1 Compiling with –enable-memory-limit
is no longer required for this function to exist.
5.2.0 real_usage was added.


Examples

Example 1. A memory_get_usage() example

// 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

See Also

memory_get_peak_usage()memory_limit


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Published:
2.26.07 / 12am
Category:
PHP Functions
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