ruleset.xml

<?xml version="1.0"?>
<ruleset name="Yii2 App Basic Standard">
    <description>Yii2 App Basic coding standard</description>

    <exclude-pattern type="relative-root">/vendor/*</exclude-pattern>

    <rule ref="PSR2">
        <!-- Property names MUST start with an initial underscore if they are private. -->
        <exclude name="PSR2.Classes.PropertyDeclaration.Underscore"/>

        <!-- Opening parenthesis of a multi-line function call must be the last content on the line. -->
        <!-- Closing parenthesis of a multi-line function call must be on a line by itself. -->
        <!-- Only one argument is allowed per line in a multi-line function call. -->
        <exclude name="PEAR.Functions.FunctionCallSignature"/>

        <!-- We don't have line length (line width) limits. -->
        <exclude name="Generic.Files.LineLength"/>

        <!-- CASE keyword must be indented 4 spaces from SWITCH keyword. -->
        <exclude name="PSR2.ControlStructures.SwitchDeclaration"/>

         <exclude name="Squiz.ControlStructures.ControlSignature.NewlineAfterOpenBrace"/>
    </rule>

    <!-- ... other Yii2 specific rules. -->
    <rule ref="Generic.Arrays.DisallowLongArraySyntax"/>

    <!-- If string doesn't contain variables or single quotes, use single quotes. -->
    <rule ref="Squiz.Strings.DoubleQuoteUsage.ContainsVar">
        <!-- Not check variable substitution -->
        <severity>0</severity>
    </rule>

    <rule ref="PEAR.Functions.FunctionCallSignature.SpaceAfterOpenBracket" />
    <rule ref="PEAR.Functions.FunctionCallSignature.SpaceBeforeCloseBracket" />
</ruleset>