NOWDOC

http://php.net/nowdoc

Single-quoted version of Heredoc.

<?php
echo <<< 'EOB'
NOWDOC is to HEREDOC as single quoted $trings are\n
to double quoted $trings in PHP.
EOB;
?>
Output
NOWDOC is to HEREDOC as single quoted $trings are\n to double quoted $trings in PHP.