Sanitizes a multiline string from user input or from the database.

Switches the translations according to the given locale.

Prints the markup for a custom header.

Displays header video URL.

Unregisters a setting.

Validates whether this comment is allowed to be made.

Retrieve a list of protocols to allow in HTML attributes.

Gets last changed date for the specified cache group.

Compares the lengths of comment data against the maximum character limits.

Checks whether comment flooding is occurring.