Language: PHP
Label: safe
CWE: CWE-79 \u2014 Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
The product does not neutralize or incorrectly neutralizes user-controllable input before it is placed in output that is used as a web page that is served to other users.

Code:
    private function EOF()
    {
        $this->state = null;
        $this->tree->emitToken(
            array(
                'type' => self::EOF
            )
        );
    }