Implements hook_requirements().

Performs check to see if all required dependencies are met. Drupal will automatically check for module dependencies but here you can check for other requirements.

File

tripal_example/tripal_example.install, line 41

Installation of the example module

Code

function tripal_example_requirements($phase) {


  $requirements = array();
  if ($phase == 'install') {
    // EXPLANATION: It is essential that Chado be installed for almost all
    // Tripal modules. Therefore, the following code checks to ensure Chado is
    // installed and available. If your module does not require that Chado be
    // installed, you can remove the following check.

    // make sure chado is installed
    if (!$GLOBALS["chado_is_installed"]) {
      $requirements['tripal_example'] = array(
        'title' => "tripal_example",
        'value' => "ERROR: Chado must be installed before this module can be enabled",
        'severity' => REQUIREMENT_ERROR,
      );
    }
  }
  return $requirements;
}