system_modules

Versions
4.6 – 4.7: system_modules()
5: system_modules($form_values = NULL)
6: system_modules($form_state = array())
7: system_modules($form, $form_state = array())
Menu callback; displays a listing of all modules.
Code

<?php
function system_modules() {
  // Get current list of modules
  $files = system_listing('\.module$', 'modules', 'name', 0);

  // Extract current files from database.
  system_get_files_database($files, 'module');

  ksort($files);

  foreach ($files as $filename => $file) {
    drupal_get_filename('module', $file->name, $file->filename);
    drupal_load('module', $file->name);

    $file->description = module_invoke($file->name, 'help', 'admin/modules#description');

    $form['name'][$file->name] = array('#value' => $file->name);
    $form['description'][$file->name] = array('#value' => $file->description);
    $options[$file->name] = '';
    if ($file->status) {
      $status[] = $file->name;
    }
    if ($file->throttle) {
      $throttle[] = $file->name;
    }

    // log the critical hooks implemented by this module
    $bootstrap = 0;
    foreach (bootstrap_hooks() as $hook) {
      if (module_hook($file->name, $hook)) {
        $bootstrap = 1;
        break;
      }
    }

    // Update the contents of the system table:
    if (isset($file->status) || (isset($file->old_filename) && $file->old_filename != $file->filename)) {
      db_query("UPDATE {system} SET description = '%s', name = '%s', bootstrap = %d, filename = '%s' WHERE filename = '%s'", $file->description, $file->name, $bootstrap, $file->filename, $file->old_filename);
    }
    else {
      // This is a new module.
      db_query("INSERT INTO {system} (name, description, type, filename, status, throttle, bootstrap) VALUES ('%s', '%s', '%s', '%s', %d, %d, %d)", $file->name, $file->description, 'module', $file->filename, $file->status, $file->throttle, $bootstrap);
    }
  }


  // Handle status checkboxes, including overriding the generated
  // checkboxes for required modules.
  $form['status'] = array('#type' => 'checkboxes', '#default_value' => $status, '#options' => $options);
  $required = array('block', 'filter', 'node', 'system', 'user', 'watchdog');
  foreach ($required as $require) {
    $form['status'][$require] = array('#type' => 'hidden', '#value' => 1, '#suffix' => t('required'));
  }

  /**
   * Handle throttle checkboxes, including overriding the generated checkboxes for required modules.
   */
  if (module_exist('throttle')) {
    $form['throttle'] = array('#type' => 'checkboxes', '#default_value' => $throttle, '#options' => $options);
    $throttle_required = array_merge($required, array('throttle'));
    foreach ($throttle_required as $require) {
      $form['throttle'][$require] = array('#type' => 'hidden', '#value' => 0, '#suffix' => t('required'));
    }
  }

  $form['buttons']['submit'] = array('#type' => 'submit', '#value' => t('Save configuration'));

  return drupal_get_form('system_modules', $form);
}
?>
system_modules

Code

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