PHP Manual
PHP Options/Info Functions
Gets PHP's process ID

getmypid

(PHP 4, PHP 5, PHP 7)

getmypid — Gets PHP's process ID

Description

getmypid ( void ) : int

Gets the current PHP process ID.

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.

See Also

getmygid() - Get PHP script owner's GID
getmyuid() - Gets PHP script owner's UID
get_current_user() - Gets the name of the owner of the current PHP script
getmyinode() - Gets the inode of the current script
getlastmod() - Gets time of last page modification