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:
    protected function convertToLookup($string)
    {
        $array = explode('|', str_replace(' ', '', $string));
        $ret = array();
        foreach ($array as $k) {
            $ret[$k] = true;
        }
        return $ret;
    }