6 calls to UrlHelper::filterBadProtocol()

CommentTokenReplaceTest::testCommentTokenReplacement in core/modules/comment/tests/src/Functional/CommentTokenReplaceTest.php
Creates a comment, then tests the tokens generated from it.
FormBuilder::buildFormAction in core/lib/Drupal/Core/Form/FormBuilder.php
Builds the $form['#action'].
UrlHelperTest::testFilterBadProtocol in core/tests/Drupal/Tests/Component/Utility/UrlHelperTest.php
Tests bad protocol filtering and escaping.
UserLoginBlock::renderPlaceholderFormAction in core/modules/user/src/Plugin/Block/UserLoginBlock.php
#lazy_builder callback; renders a form action URL including destination.
Xss::attributes in core/lib/Drupal/Component/Utility/Xss.php
Processes a string of HTML attributes.
XssUnitTest::testBadProtocolStripping in core/tests/Drupal/KernelTests/Core/Common/XssUnitTest.php
Checks that harmful protocols are stripped.

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