function _d3_list_library_versions_from_libraries in d3.js 7

Lists library versions nominally available in sites/all/libraries/d3/

1 call to _d3_list_library_versions_from_libraries()

d3_config_form in ./d3.admin.inc

D3 configuration form

File

./d3.module, line 112

D3 module file for creating visualizations with d3.js.

Code

function _d3_list_library_versions_from_libraries() {
  $library_versions = array();
  $path = libraries_get_path('d3');
  if ($path) {
    $files = array();

    // In the repository the files might be named d3.js and d3.min.js.
    $files += file_scan_directory($path, '/d3.js|d3.min.js/');

    // They could also have the version # in the file name.
    $files += file_scan_directory($path, '/d3.v[0-9]+(.min)?.js/');
    foreach ($files as $file) {
      $library_version = '';

      // Assume files named d3.js or d3.min.js are version 3
      if ($file->filename == 'd3.js' || $file->filename == 'd3.min.js') {
        $library_version = 3;
      }
      elseif (preg_match('/d3.v([0-9]+)(.min)?.js/', $file->filename, $matches)) {
        $library_version = $matches[1];
      }
      if ($library_version && !in_array($library_version, $library_versions)) {
        $library_versions[] = "{$library_version}";
      }
    }
  }
  sort($library_versions, SORT_NUMERIC);
  return $library_versions;
}