File: vendor/squizlabs/php_codesniffer/src/Standards/Generic/Docs/Classes/OpeningBraceSameLineStandard.xml

<documentation title="Opening Brace on Same Line">
    <standard>
    <![CDATA[
    The opening brace of a class must be on the same line after the definition and must be the last thing on that line.
    ]]>
    </standard>
    <code_comparison>
        <code title="Valid: Opening brace on the same line.">
        <![CDATA[
class Foo <em>{</em>
}
        ]]>
        </code>
        <code title="Invalid: Opening brace on the next line.">
        <![CDATA[
class Foo
<em>{</em>
}
        ]]>
        </code>
        <code title="Invalid: Opening brace not last thing on the line.">
        <![CDATA[
class Foo {<em> // Start of class.</em>
}
        ]]>
        </code>
    </code_comparison>
</documentation>