function google_plusone_trim in Google Plus One Button | Google+ Badge 7

Same name and namespace in other branches

1. 6 google_plusone.admin.inc \google_plusone_trim()

Helper function to trim whitespace and make sure to remove the last character if it is a delimiter.

Parameters

$list: A string representing a list of items

$delimiter: A string that contains a delimiter.

Return value

A whitespace-trimmed string

2 calls to google_plusone_trim()

google_plusone_admin_settings_validate in ./google_plusone.admin.inc

google_plusone_block_save in ./google_plusone.module

Implements hook_block_save().

File

./google_plusone.admin.inc, line 203

Administration page for the Google +1 Button.

Code

function google_plusone_trim($list, $delimiter) {
  $list = trim(check_plain($list));
  if (!empty($list)) {
    if (drupal_substr($list, -1) === $delimiter) {
      $list = drupal_substr($list, 0, -1);
    }
  }
  return $list;
}