src/Bunny/Protocol/Buffer.php
public function append($s)
    {
        if ($s instanceof Buffer) {
            $s = $s->buffer;
        }
        $this->buffer .= $s;
        $this->length = strlen($this->buffer);
        return $this;
    }
public function append($s)
    {
        if ($s instanceof Buffer) {
            $s = $s->buffer;
        }
        $this->buffer .= $s;
        $this->length = strlen($this->buffer);
        return $this;
    }
public function append ( $ s ) { if ( $ s instanceof Buffer ) { $ s = $ s -> buffer ; } $ this -> buffer .= $ s ; $ this -> length = strlen ( $ this -> buffer ) ; return $ this ; }
Appends bytes at the end of the buffer.

@param string $s
@return self
Appends bytes at the end of the buffer .