function _print_pdf_tools in Printer, email and PDF versions 7

Same name and namespace in other branches

1. 5.4 print_pdf/print_pdf.admin.inc \_print_pdf_tools()
2. 5.3 print_pdf/print_pdf.admin.inc \_print_pdf_tools()
3. 6 print_pdf/print_pdf.admin.inc \_print_pdf_tools()
4. 5.x print_pdf/print_pdf.admin.inc \_print_pdf_tools()

Auxiliary function to locate suitable PDF generation tools

Return value

array of filenames with the include-able PHP file of the located tools

1 call to _print_pdf_tools()

print_pdf_settings in print_pdf/print_pdf.admin.inc

Menu callback for the PDF version module settings form.

File

print_pdf/print_pdf.admin.inc, line 288

Contains the administrative functions of the PDF version module.

Code

function _print_pdf_tools() {
  $pattern = '!^(?:dompdf_config.inc.php|tcpdf.php|wkhtmltopdf.*)$!';
  $tools = array_keys(file_scan_directory(drupal_get_path('module', 'print'), $pattern));
  $tools = array_merge($tools, array_keys(file_scan_directory(PRINT_PDF_LIB_PATH, $pattern)));
  if (module_exists('libraries')) {
    $tools = array_merge($tools, array_keys(file_scan_directory(libraries_get_path('dompdf'), '/^dompdf_config.inc.php$/')));
    $tools = array_merge($tools, array_keys(file_scan_directory(libraries_get_path('tcpdf'), '/^tcpdf.php$/')));
    $tools = array_merge($tools, array_keys(file_scan_directory(libraries_get_path('wkhtmltopdf'), '/^wkhtmltopdf/')));
  }
  $num_tools = count($tools);
  if ($num_tools == 0) {
    variable_set('print_pdf_pdf_tool', PRINT_PDF_PDF_TOOL_DEFAULT);
    return -1;
  }
  else {
    return array_combine($tools, $tools);
  }
}