function announcements_feed_is_relevant_item

Check whether the version given is relevant to the Drupal version used.

Parameters

string $version: Version to check.

Return value

bool Return TRUE if the version matches Drupal version.

File

modules/announcements_feed/announcements_feed.inc, line 178

Code

function announcements_feed_is_relevant_item($version) {
  if ($version == '*') {
    return TRUE;
  }
  // Split the version if received in || formats.
  $version_patterns = '/\\|\\|/';
  $all_versions = preg_split($version_patterns, $version);
  // The operation is optional and defaults to equals.
  $p_op = '(?P<operation>!=|\\^|==|=|<|<=|>|>=|<>)?';
  $operations = '=';
  // Extracts major version from version string like 7, 8, 9.
  $p_major = '(?P<major>\\d+)';
  // Extracts minor version from version string.
  $p_minor = '(?P<minor>(?:\\d+|x)(?:-[A-Za-z]+\\d+)?)';
  foreach ($all_versions as $version) {
    if (preg_match("/^\\s*{$p_op}\\s*{$p_major}(\\.{$p_minor})?/", $version, $matches)) {
      $feed_version = $matches['major'];
      if (!empty($matches['minor'])) {
        $feed_version = $matches['major'] . '.' . $matches['minor'];
      }
      if (!empty($matches['operation'])) {
        $operations = $matches['operation'];
        if ($operations == '^') {
          $operations = '>=';
        }
      }
      if (isset($operations) && version_compare(VERSION, $feed_version, $operations)) {
        return TRUE;
      }
    }
  }
  return FALSE;
}