(PHP 5 >= 5.2.0, PHP 7)
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.
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.
Returns the memory peak in bytes.
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https://www.php.net/manual/en/function.memory-get-peak-usage.php