function joyride_version in Joyride JQuery for Drupal Site Tours 7

Library version callback. Make sure the library version is correct.

1 string reference to 'joyride_version'

joyride_libraries_info in ./joyride.module

Implements hook_libraries_info(). Return information about external libraries.

File

./joyride.module, line 40

Code

function joyride_version($library, $options) {

  // Provide defaults.
  $options += array(
    'file' => '',
    'pattern' => '',
    'lines' => 20,
    'cols' => 200,
  );
  $file = DRUPAL_ROOT . '/' . $library['library path'] . '/' . $options['file'];
  if (empty($options['file']) || !file_exists($file)) {
    return;
  }
  $file = fopen($file, 'r');
  while ($options['lines'] && ($line = fgets($file, $options['cols']))) {
    if (preg_match($options['pattern'], $line, $version)) {
      if ($version[1] == JOYRIDE_LIBRARY_VERSION) {
        fclose($file);
        return $version[1];
      }
    }
    $options['lines']--;
  }
  fclose($file);
}