Symfony - PHPCS config (via Squizlabs), PSR-12 standard.

phpcs.xml

<?xml version="1.0" encoding="UTF-8"?>

<ruleset xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:noNamespaceSchemaLocation="vendor/squizlabs/php_codesniffer/phpcs.xsd">

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

    <!-- p = Show progress, s = Show sniff codes, v = Verbose -->
    <arg value="psv" />

    <!-- Check file type only -->
    <!-- <arg name="extensions" value="php" /> -->

    <!-- Included -->
    <file>bin/</file>
    <file>config/</file>
    <file>public/</file>
    <file>src/</file>
    <file>templates/</file>
    <file>tests/</file>
    <file>translations/</file>
    <file>web/</file>

    <!-- Excluded -->
    <exclude-pattern>.idea/</exclude-pattern>
    <exclude-pattern>.vagrant/</exclude-pattern>
    <exclude-pattern>.vscode/</exclude-pattern>
    <exclude-pattern>node_modules/</exclude-pattern>
    <exclude-pattern>var/</exclude-pattern>
    <exclude-pattern>vendor/</exclude-pattern>

    <!-- Rules + Exclusions -->
    <rule ref="PSR12">
        <exclude name="Generic.Files.LineLength" />
    </rule>

</ruleset>