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archiver_get_extensions

7 common.inc archiver_get_extensions()

Returns a string of supported archive extensions.

Return value

A space-separated string of extensions suitable for use by the file validation system.

3 calls to archiver_get_extensions()

File

drupal/includes/common.inc, line 7755
Common functions that many Drupal modules will need to reference.

Code

function archiver_get_extensions() {
  $valid_extensions = array();
  foreach (archiver_get_info() as $archive) {
    foreach ($archive['extensions'] as $extension) {
      foreach (explode('.', $extension) as $part) {
        if (!in_array($part, $valid_extensions)) {
          $valid_extensions[] = $part;
        }
      }
    }
  }
  return implode(' ', $valid_extensions);
}