getmypid
PHP 4, PHP 5, PHP 7, PHP 8
getmypid - Gets PHP's process ID
Manual
getmypid(
Gets the current PHP process ID.
Parameters
This function has no 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.