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Programming PHP, 3rd Edition by Peter MacIntyre, Kevin Tatroe, Rasmus Lerdorf

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Name

memory_get_peak_usage

Synopsis

int memory_get_peak_usage([bool actual])

Returns the peak memory usage so far, in bytes, of the currently running script. If actual is specified and true, returns the actual bytes allocated; otherwise, it returns the bytes allocated through PHP’s internal memory allocation routines.

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