phpcs.xml

<?xml version="1.0"?>
<ruleset name="coding-style">
    <description>Coding style description</description>

    <exclude-pattern>*/test/fixtures/*/*\.(inc|css|js|html)$</exclude-pattern>
    <exclude-pattern>*/vendor</exclude-pattern>

    <!-- 2. Files -->

    <!-- 2.1. PHP Tags -->

    <!-- PHP code MUST use the long <?php ?> tags or the short-echo <?= ?> tags; it MUST NOT use the other tag variations. -->
    <rule ref="Generic.PHP.DisallowShortOpenTag.EchoFound">
        <severity>0</severity>
    </rule>

    <!-- 2.2. Character Encoding -->

    <!-- PHP code MUST use only UTF-8 without BOM. -->
    <rule ref="Generic.Files.ByteOrderMark"/>

    <rule ref="Generic.PHP.DisallowShortOpenTag"/>
    <rule ref="Generic.Commenting.Todo"/>
    <rule ref="Generic.ControlStructures.InlineControlStructure"/>

    <!-- There MUST NOT be more than one statement per line. -->
    <rule ref="Generic.Formatting.DisallowMultipleStatements"/>
    <rule ref="Generic.Formatting.SpaceAfterCast"/>
    <rule ref="Generic.NamingConventions.ConstructorName"/>
    <rule ref="Generic.PHP.DeprecatedFunctions"/>
    <rule ref="Generic.Strings.UnnecessaryStringConcat"/>

    <!-- Class constants MUST be declared in all upper case with underscore separators. -->
    <rule ref="Generic.NamingConventions.UpperCaseConstantName"/>

    <!-- Visibility MUST be declared on all methods. -->
    <rule ref="Squiz.Scope.MethodScope"/>

    <!-- Class names MUST be declared in StudlyCaps. -->
    <rule ref="Squiz.Classes.ValidClassName"/>

    <!-- Method arguments with default values MUST go at the end of the argument list. -->
    <rule ref="PEAR.Functions.ValidDefaultValue"/>

    <!-- The closing ?> tag MUST be omitted from files containing only PHP. -->
    <rule ref="Zend.Files.ClosingTag"/>
</ruleset>