FSHL is a free, open source, universal, fast syntax highlighter written in PHP. A very fast parser performs syntax highlighting for few languages and produces a HTML output.
FSHL library is a simple, easy to use syntax highlighter. Its API provides only one method that is really need to highlight sources and three auxiliary methods to sets lexer and output mode.
FSHL core is very flexible and it is very easy to add new languages.
There are no reported vulnerabilities