getmypid
PHP function
Edit on GitHub ✎
(PHP 4, PHP 5, PHP 7, PHP 8)
Gets PHP's process ID
Description
getmypid(): int|false
Gets the current PHP process ID.
Parameters Parameters
Return Values
Returns the current PHP process ID, or false on error.
Notes
Warning
Process IDs are not unique, thus they are a weak entropy source. We recommend against relying on pids in security-dependent contexts.