PHP 5 >= 5.2.0, PHP 7, PHP 8
memory_get_peak_usage - Returns the peak of memory allocated by PHP

memory_get_peak_usage( [bool$real_usage = false] ): int

Returns the peak of memory, in bytes, that's been allocated to your PHP script.



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.

Related Functions

Function memory_get_peak_usage:

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Most used PHP functions