Adds support for the PHP5 language to the SyntaxHighlighter Evolved plugin using the [sourcecode language="php5"] tag and [php5] shortcode.
Make sure your theme's
footer.php file has
<?php wp_footer(); ?> somewhere inside of it, otherwise the plugin won't be able to do it's thing.
INFO: When you find a that a keyword or a other special word of PHP5 is not highlighted. Please write entry into the forum of this plugin. -> Support Forum