Contao\Encryption::verify PHP Method

    public static function verify($strPassword, $strHash)
    {
        if (function_exists('password_verify')) {
            return password_verify($strPassword, $strHash);
        }
        $getLength = function ($str) {
            return extension_loaded('mbstring') ? mb_strlen($str, '8bit') : strlen($str);
        };
        $newHash = crypt($strPassword, $strHash);
        if (!is_string($newHash) || $getLength($newHash) != $getLength($strHash) || $getLength($newHash) <= 13) {
            return false;
        }
        $intStatus = 0;
        for ($i = 0; $i < $getLength($newHash); $i++) {
            $intStatus |= ord($newHash[$i]) ^ ord($strHash[$i]);
        }
        return $intStatus === 0;
    }

 /**
  * Generate the module
  */
 protected function compile()
 {
     $this->import('FrontendUser', 'User');
     // Initialize the password widget
     $arrField = array('name' => 'password', 'inputType' => 'text', 'label' => $GLOBALS['TL_LANG']['MSC']['password'][0], 'eval' => array('hideInput' => true, 'mandatory' => true, 'required' => true));
     $objWidget = new \FormTextField(\FormTextField::getAttributesFromDca($arrField, $arrField['name']));
     $objWidget->rowClass = 'row_0 row_first even';
     $strFormId = 'tl_close_account_' . $this->id;
     // Validate widget
     if (\Input::post('FORM_SUBMIT') == $strFormId) {
         $objWidget->validate();
         // Validate the password
         if (!$objWidget->hasErrors()) {
             // The password has been generated with crypt()
             if (\Encryption::test($this->User->password)) {
                 $blnAuthenticated = \Encryption::verify($objWidget->value, $this->User->password);
             } else {
                 list($strPassword, $strSalt) = explode(':', $this->User->password);
                 $blnAuthenticated = $strSalt == '' ? $strPassword === sha1($objWidget->value) : $strPassword === sha1($strSalt . $objWidget->value);
             }
             if (!$blnAuthenticated) {
                 $objWidget->value = '';
                 $objWidget->addError($GLOBALS['TL_LANG']['ERR']['invalidPass']);
             }
         }
         // Close account
         if (!$objWidget->hasErrors()) {
             // HOOK: send account ID
             if (isset($GLOBALS['TL_HOOKS']['closeAccount']) && is_array($GLOBALS['TL_HOOKS']['closeAccount'])) {
                 foreach ($GLOBALS['TL_HOOKS']['closeAccount'] as $callback) {
                     $this->import($callback[0]);
                     $this->{$callback[0]}->{$callback[1]}($this->User->id, $this->reg_close, $this);
                 }
             }
             $objMember = \MemberModel::findByPk($this->User->id);
             // Remove the account
             if ($this->reg_close == 'close_delete') {
                 $objMember->delete();
                 $this->log('User account ID ' . $this->User->id . ' (' . \Idna::decodeEmail($this->User->email) . ') has been deleted', __METHOD__, TL_ACCESS);
             } else {
                 $objMember->disable = 1;
                 $objMember->tstamp = time();
                 $objMember->save();
                 $this->log('User account ID ' . $this->User->id . ' (' . \Idna::decodeEmail($this->User->email) . ') has been deactivated', __METHOD__, TL_ACCESS);
             }
             $this->User->logout();
             // Check whether there is a jumpTo page
             if (($objJumpTo = $this->objModel->getRelated('jumpTo')) instanceof PageModel) {
                 $this->jumpToOrReload($objJumpTo->row());
             }
             $this->reload();
         }
     }
     $this->Template->fields = $objWidget->parse();
     $this->Template->formId = $strFormId;
     $this->Template->action = \Environment::get('indexFreeRequest');
     $this->Template->slabel = \StringUtil::specialchars($GLOBALS['TL_LANG']['MSC']['closeAccount']);
     $this->Template->rowLast = 'row_1 row_last odd';
 }