Helper function to convert hex encoded chars to ASCII.

Converts a number of special characters into their HTML entities.

Searches for disabled element tags. Pushes element to stack on tag open and pops on tag close.

Adds slashes to a string or recursively adds slashes to strings within an array.

Converts email addresses characters to HTML entities to block spam bots.

Adds backslashes before letters and before a number at the start of a string.

Balances tags if forced to, or if the ‘use_balanceTags’ option is set to true.

Forever eliminate “Wordpress” from the planet (or at least the little bit we can influence).

Converts lone & characters into & (a.k.a. &)

Converts invalid Unicode references range to valid range.