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:
    public function mergeInAttrIncludes(&$attr, $attr_includes)
    {
        if (!is_array($attr_includes)) {
            if (empty($attr_includes)) {
                $attr_includes = array();
            } else {
                $attr_includes = array($attr_includes);
            }
        }
        $attr[0] = $attr_includes;
    }