posix_setsid
  (PHP 4, PHP 5, PHP 7, PHP 8)
posix_setsid — Make the current process a session leader
  
 
 
 
  Parameters
  This function has no parameters.
  
 
  Return Values
  
   Returns the session id, or -1 on errors.
  
  
 
  See Also
  
   
    - 
     The POSIX.1 and the setsid(2) manual page on the POSIX system for more
     information on process groups and job control.