PHP 5.6.0 released

memory_get_peak_usage

(PHP 5 >= 5.2.0)

memory_get_peak_usageReturns the peak of memory allocated by PHP

Description

int memory_get_peak_usage ([ bool $real_usage = false ] )

Returns the peak of memory, in bytes, that's been 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 peak in bytes.

Changelog

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

See Also

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User Contributed Notes 1 note

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-6
ErnestV
1 year ago
In PHP v.5.3.8, memory_get_peak_usage(true) always returns zero (found on Debian Linux).
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