Club Drupal

<?php

/**

 * @file

 * Install, update and uninstall functions for the print_epub_phpepub module.

 *

 * @ingroup print

 */

/**

 * Implements hook_requirements().

 */

function print_epub_phpepub_requirements($phase) {

  $requirements = array();

  $t = get_t();

  switch ($phase) {

    // At runtime, make sure that a EPUB generation tool is selected.

    case 'runtime':

      $print_epub_epub_tool = variable_get('print_epub_epub_tool', PRINT_EPUB_EPUB_TOOL_DEFAULT);

      if (!empty($print_epub_epub_tool)) {

        $tool = explode('|', $print_epub_epub_tool);

        if (is_file($tool[1]) && is_readable($tool[1])) {

          if (basename($tool[1]) == 'EPub.php') {

            $version = _print_epub_phpepub_version($tool[1]);

            $requirements['print_epub_tool_version'] = array(

              'title' => $t('Printer, email and EPUB versions - EPUB generation library'),

              'value' => $t('PHPePub') . ' ' . $version,

            );

          }

        }

      }

      break;

  }

  return $requirements;

}