src/Storage/Segment.php
public function has($uid) {
        if (null === $this->memory) {
            return false;
        }
        $data = $this->read($uid);
        return false !== $data;
    }
public function has($uid) {
        if (null === $this->memory) {
            return false;
        }
        $data = $this->read($uid);
        return false !== $data;
    }
public function has ( $ uid ) { if ( null === $ this -> memory ) { return false ; } $ data = $ this -> read ( $ uid ) ; return false !== $ data ; }
Test if has datas with $uid key
@param mixed $uid
@return boolean
Test if has datas with $uid key