<documentation title="Heredoc">
    <standard>
    <![CDATA[
    Forbids the use of heredoc and nowdoc syntax.
    ]]>
    </standard>
    <code_comparison>
        <code title="Valid: Using standard strings or inline HTML.">
        <![CDATA[
$text = "some $text";



?>
some text
<?php

        ]]>
        </code>
        <code title="Invalid: Using heredoc or nowdoc syntax.">
        <![CDATA[
$text = <em><<<EOD
some $text
EOD</em>;

echo <em><<<'EOD'
some text
EOD</em>;
        ]]>
        </code>
    </code_comparison>
</documentation>