phpcs.xml

<?xml version="1.0"?>
<ruleset xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:noNamespaceSchemaLocation="vendor/squizlabs/php_codesniffer/phpcs.xsd">
    <!-- Show progress and sniff codes -->
    <arg value="ps"/>

    <arg name="cache" value=".phpcs-cache"/>
    <arg name="colors"/>
    <arg name="extensions" value="php"/>

    <!-- Make sniff report relative -->
    <arg name="basepath" value="."/>

    <file>app</file>
    <file>bin</file>
    <file>config.sample.inc.php</file>
    <file>examples</file>
    <file>public</file>
    <file>src</file>
    <file>tests</file>

    <exclude-pattern>app/cache/*</exclude-pattern>
    <exclude-pattern>app/language_stats.inc.php</exclude-pattern>
    <exclude-pattern>tests/doctum-config.php</exclude-pattern>

    <rule ref="PhpMyAdmin"/>

    <rule ref="Squiz.Classes.ValidClassName.NotPascalCase">
        <exclude-pattern>src/Plugins/Transformations/*</exclude-pattern>
    </rule>

    <!-- Rules that should be followed, but are not required -->
    <rule ref="SlevomatCodingStandard.Operators.DisallowEqualOperators">
        <severity>4</severity>
    </rule>
    <rule ref="SlevomatCodingStandard.PHP.RequireExplicitAssertion">
        <severity>4</severity>
    </rule>
</ruleset>