form.php
public function hasImage(SelectorInterface $selector)
    {
        foreach ($this->images as $image) {
            if ($selector->isMatch($image)) {
                return true;
            }
        }

        return false;
    }
public function hasImage(SelectorInterface $selector)
    {
        foreach ($this->images as $image) {
            if ($selector->isMatch($image)) {
                return true;
            }
        }

        return false;
    }
Test to see if a form has an image control.

@param $selector Criteria to apply.

@return bool True if present.