Method read

lang/php/lib/IO/AvroStringIO.php:124–137

* @returns string bytes read from buffer * @todo test for fencepost errors wrt updating current_index */

($len)

     * @todo test for fencepost errors wrt updating current_index
     */
    public function read($len)
    {
        $this->checkClosed();
        $read = '';
        for ($i = $this->current_index; $i < ($this->current_index + $len); $i++) {
            $read .= $this->string_buffer[$i] ?? '';
        }
        if (strlen($read) < $len) {
            $this->current_index = $this->length();
        } else {
            $this->current_index += $len;
        }
        return $read;
    }

    /**
     * @returns int count of bytes in the buffer