Language: PHP
Label: vulnerable
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 setMethods($methods)
    {
        if (is_string($methods)) {
            $methods = strlen($methods) ? explode(',', $methods) : [];
            $methods = array_map('trim', $methods);
        }

        $this->methods = $methods;

        return $this;
    }