function pdf_using_mpdf_requirements in PDF using mPDF 7

Same name and namespace in other branches

1. 8.2 pdf_using_mpdf.install \pdf_using_mpdf_requirements()
2. 8 pdf_using_mpdf.install \pdf_using_mpdf_requirements()
3. 7.2 pdf_using_mpdf.install \pdf_using_mpdf_requirements()

Implements hook_requirements().

File

./pdf_using_mpdf.install, line 19

Removing all PDF set variables and checks for mPDF library existence.

Code

function pdf_using_mpdf_requirements($phase) {
  $requirements = array();

  // Ensure translations do not break at install time.
  $t = get_t();

  // Search for mpdf tool first.
  $pattern = '/^mpdf.php$/';

  // Libraries module to detect mPDF library in case of multisite installation.
  $tools = array_keys(file_scan_directory(libraries_get_path('mpdf'), $pattern));

  // mPDF library looked for in the module directory itself.
  $tools = array_merge($tools, array_keys(file_scan_directory(drupal_get_path('module', 'pdf_using_mpdf'), $pattern)));
  if (isset($tools[0])) {
    $requirements['pdf_using_mpdf_library_exist'] = array(
      'title' => $t('PDF using mPDF Library'),
      'value' => $t('Installed'),
      'severity' => REQUIREMENT_OK,
    );
  }
  else {
    $requirements['pdf_using_mpdf_library_exist'] = array(
      'title' => $t('PDF using mPDF Library'),
      'value' => $t('Not found !'),
      'severity' => REQUIREMENT_WARNING,
      'description' => $t('<p>No mPDF Library Found in "sites/all/libraries" or "!default_module_path". Please download the PHP mPDF Library API from <a href="http://www.mpdf1.com/">mPDF1.com</a> </p>', array(
        '!default_module_path' => drupal_get_path('module', 'pdf_using_mpdf'),
      )),
    );
  }
  return $requirements;
}