src/Env.php
public function offsetGet($offset)
    {
        if (!array_key_exists($offset, $this->_data)) {
            return false;
        }
        return $this->_data[$offset];
    }
public function offsetGet($offset)
    {
        if (!array_key_exists($offset, $this->_data)) {
            return false;
        }
        return $this->_data[$offset];
    }
public function offsetGet ( $ offset ) { if ( ! array_key_exists ( $ offset , $ this -> _data ) ) { return false ; } return $ this -> _data [ $ offset ] ; }
Returns the value at specified offset or `false` if not exists.

@param  string $offset The offset to retrieve.
@return mixed          The value at offset.
Returns the value at specified offset or false if not exists .