phpcs.xml

<?xml version="1.0"?>
<ruleset name="AOE-Mage1">
    <description>Magento extension ruleset based on PSR-2 but modified for Magento 1</description>

    <rule ref="PSR2">
        <!-- Magento 1 class names don't comply so ignore these rules  -->
        <exclude name="PSR1.Classes.ClassDeclaration.MissingNamespace"/>
        <exclude name="Squiz.Classes.ValidClassName.NotCamelCaps"/>

        <!-- Magento standards use underscore for private methods so lets ignore this -->
        <exclude name="PSR2.Methods.MethodDeclaration.Underscore"/>
        <exclude name="PSR2.Classes.PropertyDeclaration.Underscore"/>

        <!-- Magento requires including files in some cases so we either exclude this test or add DocBlocks -->
        <exclude name="PSR1.Files.SideEffects"/>

        <!-- Handle line length in a different rule -->
        <exclude name="Generic.Files.LineLength"/>
    </rule>

    <rule ref="Generic.Files.LineLength">
        <properties>
            <property name="lineLimit" value="200"/>
            <property name="absoluteLineLimit" value=""/>
        </properties>
    </rule>

    <!-- Enforce short array syntax since this module is PHP 5.4+ -->
    <rule ref="Generic.Arrays.DisallowLongArraySyntax"/>
</ruleset>