<documentation title="Empty PHP Statement">
    <standard>
    <![CDATA[
    Empty PHP tags are not allowed.
    ]]>
    </standard>
    <code_comparison>
        <code title="Valid: There is at least one statement inside the PHP tag pair.">
        <![CDATA[
<?php <em>echo 'Hello World';</em> ?>
<?= <em>'Hello World';</em> ?>
        ]]>
        </code>
        <code title="Invalid: There is no statement inside the PHP tag pair.">
        <![CDATA[
<?php <em>;</em> ?>
<?= <em></em> ?>
        ]]>
        </code>
    </code_comparison>
    <standard>
    <![CDATA[
    Superfluous semi-colons are not allowed.
    ]]>
    </standard>
    <code_comparison>
        <code title="Valid: There is no superfluous semi-colon after a PHP statement.">
            <![CDATA[
function_call()<em>;</em>
if (true) {
    echo 'Hello World'<em>;</em>
}
        ]]>
        </code>
        <code title="Invalid: There are one or more superfluous semi-colons after a PHP statement.">
            <![CDATA[
function_call()<em>;;;</em>
if (true) {
    echo 'Hello World';
}<em>;</em>
        ]]>
        </code>
    </code_comparison>
</documentation>
