public function open($segno = 0, $create = false)
    {
        if (isset($this->segments[$segno])) {
            return $this->segments[$segno];
        }
        $key = $this->key + $segno;
        if (!$create) {
            $shm = @shmop_open($key, 'w', 0, 0);
        } else {
            $shm = @shmop_open($key, 'w', 0, 0);

            if ($shm) {
                shmop_delete($shm);
                shmop_close($shm);
            }

            $shm = shmop_open($key, 'c', 0755, $this->segsize);
        }
        if (!$shm) {
            return false;
        }
        $this->segments[$segno] = $shm;
        return $shm;
    }
public function open($segno = 0, $create = false)
    {
        if (isset($this->segments[$segno])) {
            return $this->segments[$segno];
        }
        $key = $this->key + $segno;
        if (!$create) {
            $shm = @shmop_open($key, 'w', 0, 0);
        } else {
            $shm = @shmop_open($key, 'w', 0, 0);

            if ($shm) {
                shmop_delete($shm);
                shmop_close($shm);
            }

            $shm = shmop_open($key, 'c', 0755, $this->segsize);
        }
        if (!$shm) {
            return false;
        }
        $this->segments[$segno] = $shm;
        return $shm;
    }
public function open ( $ segno = 0 , $ create = false ) { if ( isset ( $ this -> segments [ $ segno ] ) ) { return $ this -> segments [ $ segno ] ; } $ key = $ this -> key + $ segno ; if ( ! $ create ) { $ shm = @ shmop_open ( $ key , 'w' , 0 , 0 ) ; } else { $ shm = @ shmop_open ( $ key , 'w' , 0 , 0 ) ; if ( $ shm ) { shmop_delete ( $ shm ) ; shmop_close ( $ shm ) ; } $ shm = shmop_open ( $ key , 'c' , 0755 , $ this -> segsize ) ; } if ( ! $ shm ) { return false ; } $ this -> segments [ $ segno ] = $ shm ; return $ shm ; }
Opens segment of shared memory
@param  integer $segno Segment number
@param  boolean $create Create
@return integer         Segment number
Opens segment of shared memory