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This document uses PHP Chinese website manual Release
(PHP 4, PHP 5)
posix_getsid — Get the current sid of the process
$pid
)
Return the session id of the process pid
.
The session id of a process is the process group id of the session leader.
pid
The process identifier. If set to 0, the current process is
assumed. If an invalid pid
is
specified, then FALSE
is returned and an error is set which
can be checked with posix_get_last_error() .
Returns the identifier, as an integer .
Example #1 Example use of posix_getsid()
<?php
$pid = posix_getpid ();
echo posix_getsid ( $pid ); //8805
?>