Vim syntax highlight certain lines

PHPvim

I have php files well any file type in general that I would like vim to highlight here docs sections using a different syntax highlighting.

<?php
echo <<<HTMLDOC
<h1> I am highlighted as html </h1>
<<<HTMLDOC

echo 'High Lighted as PHP again '
?>

Best Answer

You can tweak the colors of course but try this:

:highlight MyHereDoc ctermbg=green guibg=green
:match MyHereDoc /<<<\([A-Za-z]*\)\_.*\1/

Also, if you plan on it being something more perminant in your vimrc add:

highlight MyHereDoc ctermbg=green guibg=green
matchadd("MyHereDoc", '<<<\([A-Za-z]*\)\_.*\1')

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as a start.

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