function _path_clean_separators

Trims duplicate, leading, and trailing separators from a string.

Parameters

$string: The string to clean path separators from.

$separator: The path separator to use when cleaning.

Return value

The cleaned version of the string.:

See also

path_clean_string()

path_clean_alias()

File

core/modules/path/path.inc, line 264

Miscellaneous functions for Path module.

Code

function _path_clean_separators($string, $separator = NULL) {
  $config = config('path.settings');
  static $default_separator;

  if (!isset($separator)) {
    if (!isset($default_separator)) {
      $default_separator = $config->get('separator');
    }
    $separator = $default_separator;
  }

  $output = $string;

  if (strlen($separator)) {
    // Trim any leading or trailing separators.
    $output = trim($output, $separator);

    // Escape the separator for use in regular expressions.
    $seppattern = preg_quote($separator, '/');

    // Replace multiple separators with a single one.
    $output = preg_replace("/$seppattern+/", $separator, $output);

    // Replace trailing separators around slashes.
    if ($separator !== '/') {
      $output = preg_replace("/\/+$seppattern\/+|$seppattern\/+|\/+$seppattern/", "/", $output);
    }
  }

  return $output;
}