backdrop_get_favicon in core/includes/common.inc
Gets the file location and mime type for site favicon.
check_url in core/includes/common.inc
Strips dangerous protocols from a URI and encodes it for output to HTML.
CommonXssUnitTestCase::testBadProtocolStripping in core/modules/simpletest/tests/common.test
Check that harmful protocols are stripped.
drupal_strip_dangerous_protocols in core/includes/drupal.inc
Strips dangerous protocols (e.g. 'javascript:') from a URI.
filter_xss_bad_protocol in core/includes/common.inc
Processes an HTML attribute value and strips dangerous protocols from URLs.
theme_form in core/includes/form.inc
Returns HTML for a form.
url_is_external in core/includes/common.inc
Returns TRUE if a path is external to Backdrop (e.g. http://example.com).
_filter_format_editor_link_url_validate in core/modules/filter/filter.pages.inc
Element validation function.