ruleset.xml

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

<!-- https://github.com/squizlabs/PHP_CodeSniffer/wiki/Annotated-Ruleset -->
<ruleset xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
         xsi:noNamespaceSchemaLocation="../../../vendor/squizlabs/php_codesniffer/phpcs.xsd"
         name="AcquiaPHPMinimal"
>

  <description>Acquia's PHP coding standards.</description>

  <rule ref="PSR12"/>

  <!-- Internal sniffs -->
  <rule ref="Internal.NoCodeFound">
    <!-- No PHP code in *.md, *.txt, or *.yml -->
    <exclude-pattern>*.(md|txt|yml)</exclude-pattern>
  </rule>

  <!-- PHP Compatibility sniffs -->
  <!-- The lowest version of PHP supported by both Drupal and Acquia Cloud.
    @see https://www.drupal.org/docs/8/system-requirements/php-requirements
    @see https://docs.acquia.com/acquia-cloud/arch/tech-platform/
    For instructions on overriding this value in your project,
    @see https://github.com/acquia/coding-standards-php/pull/37 -->
  <config name="testVersion" value="7.4-"/>
  <rule ref="PHPCompatibility">
    <exclude name="PHPCompatibility.Extensions.RemovedExtensions.famRemoved"/>
  </rule>

  <!-- Apply indentation rules to comments and arrays. -->
  <!-- @see https://github.com/squizlabs/PHP_CodeSniffer/issues/2314 -->
  <!-- @see https://github.com/squizlabs/PHP_CodeSniffer/issues/1235 -->
  <rule ref="Generic.WhiteSpace.ScopeIndent">
    <properties>
      <property name="ignoreIndentationTokens" type="array"/>
    </properties>
  </rule>
  <rule ref="Generic.Arrays.ArrayIndent"/>

</ruleset>