function image_captcha_requirements in CAPTCHA 6.2

Same name and namespace in other branches

1. 8 image_captcha/image_captcha.install \image_captcha_requirements()
2. 5.3 image_captcha/image_captcha.module \image_captcha_requirements()
3. 7 image_captcha/image_captcha.install \image_captcha_requirements()

Implementation of hook_requirements().

File

image_captcha/image_captcha.install, line 11

Code

function image_captcha_requirements($phase) {
  $requirements = array();
  $t = get_t();
  if ($phase == 'install') {

    // _image_captcha_check_setup() is defined in image_captcha.module.
    // We use a trick based on __FILE__ instead of a call to
    // module_load_include(), because the latter is not available when
    // this module is installed as part of an installation profile.
    include_once dirname(__FILE__) . '/image_captcha.module';

    // Check if the GD library is available and raise an error when not.
    if (_image_captcha_check_setup(FALSE) & IMAGE_CAPTCHA_ERROR_NO_GDLIB) {
      $requirements['image_captcha_requires_gd'] = array(
        'title' => $t('Image CAPTCHA requires GD library'),
        'description' => $t('The Image CAPTCHA module can not be installed because your PHP setup does not provide the <a href="!gddoc">GD library</a>, which is required to generate images.', array(
          '!gddoc' => 'http://www.php.net/manual/en/book.image.php',
        )),
        'severity' => REQUIREMENT_ERROR,
      );
    }
  }
  return $requirements;
}