install_verify_requirements

Versions

mediamosa-21

install_verify_requirements(&$install_state)

Installation task; verify the requirements for installing Drupal.

Parameters

$install_state An array of information about the current installation state.

Return value

A themed status report, or an exception if there are requirement errors. Otherwise, no output is returned, so that the next task can be run in the same page request.

Code

includes/install.core.inc, line 704

<?php
function install_verify_requirements(&$install_state) {
  // Check the installation requirements for Drupal and this profile.
  $requirements = install_check_requirements($install_state);

  // Verify existence of all required modules.
  $requirements += drupal_verify_profile($install_state);

  // Check the severity of the requirements reported.
  $severity = drupal_requirements_severity($requirements);

  if ($severity == REQUIREMENT_ERROR) {
    if ($install_state['interactive']) {
      drupal_set_title(st('Requirements problem'));
      $status_report = theme('status_report', array('requirements' => $requirements));
      $status_report .= st('Check the error messages and <a href="!url">proceed with the installation</a>.', array('!url' => check_url(request_uri())));
      return $status_report;
    }
    else {
      // Throw an exception showing all unmet requirements.
      $failures = array();
      foreach ($requirements as $requirement) {
        if (isset($requirement['severity']) && $requirement['severity'] == REQUIREMENT_ERROR) {
          $failures[] = $requirement['title'] . ': ' . $requirement['value'] . "\n\n" . $requirement['description'];
        }
      }
      throw new Exception(implode("\n\n", $failures));
    }
  }
}
?>