获取后台菜单
@return mixed|null
327602
public function getAdminMenus()
    {
        if ($this->_adminMenus === null) {
            $this->setAdminMenus(array_merge($this->defaultAdminMenus(), $this->adminMenus()));
        }
        return $this->_adminMenus;
    }
662164
public function getDataValue()
    {
        $count = count($this->dataValues);
        if ($count == 0) {
            return null;
        } elseif ($count == 1) {
            return $this->dataValues[0];
        }
        return $this->dataValues;
    }
916669
public function first()
    {
        $results = $this->filter('', '', '', ['$top'=> 1]);
        $result = is_array($results) && count($results) > 0 ? $results[0] : null;

        return $result;
    }
1331667
public function getMessage()
    {
        if (!$this->isSuccessful() && isset($this->data['errorCode'])) {
            return $this->data['errorCode'] . ': ' . $this->data['message'];
        }

        if (!$this->isSuccessful() && isset($this->data['responseCode'])) {
            return $this->data['responseCode'] . ': ' . $this->data['responseMessage'];
        }

        return null;
    }
1049581
public function getError() {
        if ($this->error) {
            return $this->translate($this->error);
        }
        if ($this->form->model && is_object($this->form->model) && $this->form->model->hasErrors($this->name)) {
            $errors = $this->form->model->getErrors($this->name);
            foreach ($errors as &$message) {
                $message = $this->translate($message);
            }
            return $errors;
        }
        return null;
    }
348160
protected function getOrder()
    {
        if (null === $this->order) {
            $this->order = $this->getSession() ? $this->getSession()->getOrder() : null;
        }

        return $this->order;
    }
332523
public function current()
    {
        $name = $this->key();

        if ( $name )
        {
            return $this->getMapper()
                        ->find( $name );
        }

        return null;
    }
1301939
public function getClass()
    {
        if (is_null($this->_class)) {
            $this->_class = $this->_getClassName();
        }
        return $this->_class;
    }
421796
public function getValue()
	{
		if (strlen($this->value) > 0) {
			return \DateTime::createFromFormat($this->format, $this->value);
		}
		return null;
	}
959091
public function current()
    {
        if (!$this->valid()) {
            return null;
        }

        $index = $this->index;
        $front = $this->front;
        $cap = $this->cap;
        $offset = ($index + $front) % $cap;

        return $this->items[$offset];
    }
541726
public function get()
    {
        foreach ($this->_commands as $command) {
            $location = $this->_commandLocator->locate(basename($command));
            if ($location !== null) {
                return $location;
            }
        }

        return null;
    }
150131
public function getValue()
    {
        if (null == $this->is_valid && null != $this->user_value) {
            $this->validate();
        }
        if (null !== $this->user_value && $this->is_valid) {
            if ('' === $this->user_value && true === $this->null_on_empty) {
                return null;
            }
            return $this->user_value;
        } else {
            if ('' === $this->default_value && true === $this->null_on_empty) {
                return null;
            }
            return $this->default_value;
        }
    }
1200625
public function id()
	{
		if ($this->loggedOut)
		{
			return null;
		}

		if (!$this->user())
		{
			return null;
		}

		return $this->user()->ID;
	}
891404
public function getUserValue()
    {
        if (null == $this->is_valid) {
            $this->validate();
        }
        if (null !== $this->user_value && $this->is_valid) {
            if ('' === $this->user_value && true === $this->null_on_empty) {
                return null;
            }
            return $this->user_value;
        } else {
            return '';
        }
    }
419587
public function errors()
    {
        if (isset($this->data) && isset($this->data["error_description"])) {
            return $this->data["error_description"];
        }
        return null;
    }
1114960
public function first() {
		$this->limit(1);
		$result = $this->find();
		return empty($result) ? null : $result[0];
	}
661428
public function getValue()
    {
        if (!$this->exists()) {
            return null;
        }
        $amount = $this->getAmount();
        $currency = $this->getCurrency();
        if (empty($currency)) {
            return $amount;
        }
        return $amount . ' ' . $currency;
    }