function drupal_check_module in Drupal 7

Same name and namespace in other branches

1. 8 core/includes/install.inc \drupal_check_module()
2. 5 includes/install.inc \drupal_check_module()
3. 6 includes/install.inc \drupal_check_module()
4. 9 core/includes/install.inc \drupal_check_module()

Checks a module's requirements.

Parameters

$module: Machine name of module to check.

Return value

TRUE or FALSE, depending on whether the requirements are met.

1 call to drupal_check_module()

system_modules_submit in modules/system/system.admin.inc

Submit callback; handles modules form submission.

File

includes/install.inc, line 1224

API functions for installing modules and themes.

Code

function drupal_check_module($module) {
  module_load_install($module);
  if (module_hook($module, 'requirements')) {

    // Check requirements
    $requirements = module_invoke($module, 'requirements', 'install');
    if (is_array($requirements) && drupal_requirements_severity($requirements) == REQUIREMENT_ERROR) {

      // Print any error messages
      foreach ($requirements as $requirement) {
        if (isset($requirement['severity']) && $requirement['severity'] == REQUIREMENT_ERROR) {
          $message = $requirement['description'];
          if (isset($requirement['value']) && $requirement['value']) {
            $message .= ' (' . t('Currently using !item !version', array(
              '!item' => $requirement['title'],
              '!version' => $requirement['value'],
            )) . ')';
          }
          drupal_set_message($message, 'error');
        }
      }
      return FALSE;
    }
  }
  return TRUE;
}