wishthis/vendor/wp-coding-standards/wpcs/WordPress/Docs/WhiteSpace/ControlStructureSpacingStandard.xml

<?xml version="1.0"?>
<documentation xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
    xsi:noNamespaceSchemaLocation="https://phpcsstandards.github.io/PHPCSDevTools/phpcsdocs.xsd"
    title="Control Structure Spacing"
    >
    <standard>
    <![CDATA[
    Put one space on both sides of the opening and closing parentheses of control structures.
    ]]>
    </standard>
    <code_comparison>
        <code title="Valid: One space on each side of the open and close parentheses.">
        <![CDATA[
while<em> ( </em>have_posts()<em> ) </em>{}

// For multi-line conditions,
// a new line is also accepted.
if<em> ( </em>true === $condition
    && $count > 10
<em>) </em>{}
        ]]>
        </code>
        <code title="Invalid: Incorrect spacing around the open and close parentheses.">
        <![CDATA[
// No spaces.
while<em>(</em>have_posts()<em>)</em>{}

// Too much space.
while<em>   (   </em>have_posts()<em>   )   </em>{}
        ]]>
        </code>
    </code_comparison>
    <standard>
    <![CDATA[
    The open brace for the control structure must be on the same line as the close parenthesis or the control structure keyword, with one space between them.
    ]]>
    </standard>
    <code_comparison>
        <code title="Valid: Open brace on the same line as the keyword/close parenthesis.">
        <![CDATA[
try<em> {</em>
    // Do something.
} catch (
    ExceptionA | ExceptionB $e
<em>) {</em>
}
        ]]>
        </code>
        <code title="Invalid: Open brace on a different line than the keyword/close parenthesis.">
        <![CDATA[
try
<em>{</em>
    // Do something.
} catch ( Exception $e )
<em>(</em>
}
        ]]>
        </code>
    </code_comparison>
    <code_comparison>
        <code title="Valid: One space between the keyword/close parenthesis and the open brace.">
        <![CDATA[
if ( $condition )<em> </em>{
    // Do something.
}
        ]]>
        </code>
        <code title="Invalid: Too much space between the keyword/close parenthesis and the open brace.">
        <![CDATA[
if ( $condition )<em>     </em>{
    // Do something.
}
        ]]>
        </code>
    </code_comparison>
    <standard>
    <![CDATA[
    When using alternative control structure syntaxes, there should be one space between the close parenthesis and the colon opening the control structure body.
    ]]>
    </standard>
    <code_comparison>
        <code title="Valid: One space before the colon.">
        <![CDATA[
foreach ( $types as $type )<em> </em>:
    // Do something.
endforeach;
        ]]>
        </code>
        <code title="Invalid: No space before the colon.">
        <![CDATA[
foreach ( $types as $type )<em></em>:
    // Do something.
endforeach;
        ]]>
        </code>
    </code_comparison>
    <standard>
    <![CDATA[
    When a control structure is nested in another control structure and the closing braces follow each other, there should be no blank line between the closing braces.
    ]]>
    </standard>
    <code_comparison>
        <code title="Valid: No blank line between the consecutive close braces.">
        <![CDATA[
if ( $a === $b ) {
    if ( $something ) {
        // Do something.
    }
}
        ]]>
        </code>
        <code title="Invalid: Blank line(s) between the consecutive close braces.">
        <![CDATA[
if ( $a === $b ) {
    if ( $something ) {
        // Do something.
    }<em>


</em>}
        ]]>
        </code>
    </code_comparison>
    <standard>
    <![CDATA[
    [Optional, turned off by default]
    There should be no blank line(s) at the start or end of the control structure body.
    ]]>
    </standard>
    <code_comparison>
        <code title="Valid: No blank lines at the start or end of the control structure body.">
        <![CDATA[
if ( $a === $b ) {
    echo $a;
}
        ]]>
        </code>
        <code title="Invalid: Blank line(s) at the start and end of the control structure body.">
        <![CDATA[
if ( $a === $b ) {
<em>

</em>    echo $a;
<em>

</em>}
        ]]>
        </code>
    </code_comparison>
</documentation>