install_check_requirements

Versions
mediamosa-21
install_check_requirements($install_state)

Check installation requirements and report any errors.

Code

includes/install.core.inc, line 1511

<?php
function install_check_requirements($install_state) {
  $profile = $install_state['parameters']['profile'];

  // Check the profile requirements.
  $requirements = drupal_check_profile($profile);

  // If Drupal is not set up already, we need to create a settings file.
  if (!$install_state['settings_verified']) {
    $writable = FALSE;
    $conf_path = './' . conf_path(FALSE, TRUE);
    $settings_file = $conf_path . '/settings.php';
    $file = $conf_path;
    $exists = FALSE;
    // Verify that the directory exists.
    if (drupal_verify_install_file($conf_path, FILE_EXIST, 'dir')) {
      // Check to make sure a settings.php already exists.
      $file = $settings_file;
      if (drupal_verify_install_file($settings_file, FILE_EXIST)) {
        $exists = TRUE;
        // If it does, make sure it is writable.
        $writable = drupal_verify_install_file($settings_file, FILE_READABLE|FILE_WRITABLE);
        $exists = TRUE;
      }
    }

    if (!$exists) {
      $requirements['settings file exists'] = array(
        'title'       => st('Settings file'),
        'value'       => st('The settings file does not exist.'),
        'severity'    => REQUIREMENT_ERROR,
        'description' => st('The @drupal installer requires that you create a settings file as part of the installation process. Copy the %default_file file to %file. More details about installing Drupal are available in <a href="@install_txt">INSTALL.txt</a>.', array('@drupal' => drupal_install_profile_distribution_name(), '%file' => $file, '%default_file' => $conf_path . '/default.settings.php', '@install_txt' => base_path() . 'INSTALL.txt')),
      );
    }
    else {
      $requirements['settings file exists'] = array(
        'title'       => st('Settings file'),
        'value'       => st('The %file file exists.', array('%file' => $file)),
      );
      if (!$writable) {
        $requirements['settings file writable'] = array(
          'title'       => st('Settings file'),
          'value'       => st('The settings file is not writable.'),
          'severity'    => REQUIREMENT_ERROR,
          'description' => st('The @drupal installer requires write permissions to %file during the installation process. If you are unsure how to grant file permissions, consult the <a href="@handbook_url">online handbook</a>.', array('@drupal' => drupal_install_profile_distribution_name(), '%file' => $file, '@handbook_url' => 'http://drupal.org/server-permissions')),
        );
      }
      else {
        $requirements['settings file'] = array(
          'title'       => st('Settings file'),
          'value'       => st('Settings file is writable.'),
        );
      }
    }
  }
  return $requirements;
}
?>