memory_reset_peak_usage()
memory_reset_peak_usage() — Reset the peak memory usage.
Built-in function of PHP 8.5. The manual lists it as available in PHP 8 >= 8.2.0. This page is the reference card: signature, parameters and return value, plus the changelog and the example the manual provides.
What it does
Resets the peak memory usage returned by the memory_get_peak_usage() function.
Signature
memory_reset_peak_usage(): void
Parameters
This function takes no parameters.
Return value
No value is returned.
Example
A runnable snippet:
var_dump(memory_get_peak_usage()); $a = str_repeat("Hello", 424242); var_dump(memory_get_peak_usage()); unset($a); memory_reset_peak_usage(); $a = str_repeat("Hello", 2424); var_dump(memory_get_peak_usage());
Output:
int(422440) int(2508672) int(399208)
See also
All PHP 8.5 built-in functions
Reference card built from the PHP manual page memory_reset_peak_usage() (PHP documentation, CC BY 3.0). The page is generated from the manual, so the wording of the parameter and return value text follows php.net.