getmypid
(PHP 4, PHP 5)
getmypid — Gets PHP's process ID
说明
int getmypid
( void
)
Gets the current PHP process ID.
返回值
Returns the current PHP process ID, or FALSE on error.
注释
Warning
Process IDs are not unique, thus they are a weak entropy source. We recommend against relying on pids in security-dependent contexts.