memory_get_peak_usage
Function • Params and return types changed in PHP 8.0
Returns the peak of memory allocated by PHP.
memory_get_peak_usage Function synopsis
memory_get_peak_usage(bool $real_usage = false): intParameters
$real_usage
OptionalTypeboolDefault valuefalse
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 value
Typeint
Returns the memory peak in bytes.
Changes to the memory_get_peak_usage Function
PHP 8.0
- Return type added:
int - Parameter type added for parameter #1 (
$real_usage):bool - Parameter default value added for position #1 (
$real_usage):false
- memory_get_peak_usage($real_usage)
+ memory_get_peak_usage(bool $real_usage = false): intmemory_get_peak_usage Function Availability
memory_get_peak_usage Function Availability| PHP Version | Availability |
|---|---|
| PHP 8.6Upcoming Release | Yes |
| PHP 8.5Supported (Latest) | Yes |
| PHP 8.4Supported | Yes |
| PHP 8.3Security-Fixes Only | Yes |
| PHP 8.2Security-Fixes Only | Yes |
| PHP 8.1Unsupported | Yes |
| PHP 8.0Unsupported | Yes |
| PHP 7.4Unsupported | Yes |
| PHP 7.3Unsupported | Yes |
| PHP 7.2Unsupported | Yes |
| PHP 7.1Unsupported | Yes |
| PHP 7.0Unsupported | Yes |
| PHP 5.6Unsupported | Yes |
| PHP 5.5Unsupported | Yes |
| PHP 5.4Unsupported | Yes |
| PHP 5.3Unsupported | Yes |