phpcs.xml

<?xml version="1.0"?>
<ruleset name="anttiviljami-wordpress">
  <description>For nicer WordPress and PHP development</description>

  <!-- Files and directories to parse -->
  <file>./classes/</file>
  <file>./inc/</file>
  <file>./wp-libre-form.php</file>

  <!-- Excluded directories and files -->
  <exclude-pattern>*/vendor/*</exclude-pattern>
  <exclude-pattern>*/lang/*</exclude-pattern>
  <exclude-pattern>*/assets/*</exclude-pattern>

  <!-- Disallow tabs altogether -->
  <rule ref="Generic.WhiteSpace.DisallowTabIndent.TabsUsed"/>

  <!-- Use 2 spaces for indentation -->
  <arg name="tab-width" value="2"/>
  <rule ref="Generic.WhiteSpace.ScopeIndent">
    <properties>
      <property name="indent" value="2"/>
    </properties>
  </rule>

  <!--
    The soft limit on line length MUST be 120 characters
    automated style checkers MUST warn but MUST NOT error at the soft limit.
  -->
  <rule ref="Generic.Files.LineLength">
    <properties>
      <property name="lineLimit" value="120"/>
      <property name="absoluteLineLimit" value="0"/>
    </properties>
  </rule>

  <!-- All PHP files MUST use the Unix LF (linefeed) line ending. -->
  <rule ref="Generic.Files.LineEndings">
    <properties>
      <property name="eolChar" value="\n"/>
    </properties>
  </rule>

  <!-- Method arguments with default values MUST go at the end of the argument list. -->
  <rule ref="PEAR.Functions.ValidDefaultValue"/>

  <!-- This means almost always that developer used an ugly hotfix -->
  <rule ref="Squiz.PHP.CommentedOutCode"/>

  <!-- Don't allow random whitespacing into multiple lines-->
  <rule ref="Squiz.WhiteSpace.SuperfluousWhitespace"/>

  <!-- Don't put unused function parameters into function definition -->
  <!-- This might be problematic when using wp actions/filters -->
  <!-- This is mostly useful, We should give warning instead -->
  <rule ref="Generic.CodeAnalysis.UnusedFunctionParameter"/>

  <!-- No TODO comments, open issues in github/gogs/gitlab instead -->
  <rule ref="Generic.Commenting.Todo"/>

  <!-- Don't allow oneliner ifs without brackets {} -->
  <rule ref="Generic.ControlStructures.InlineControlStructure"/>

  <!-- No spaces before comma in function calls -->
  <!-- This might be problematic when using wp actions/filters -->
  <rule ref="Generic.Functions.FunctionCallArgumentSpacing.SpaceBeforeComma"/>

  <!--
    Ending tags '?>' can be really painful to debug.
    Just disallow them in the end of the file
  -->
  <rule ref="PSR2.Files.ClosingTag.NotAllowed"/>

  <!-- <?php tags and constants (true,false,null) need to be lowercase  -->
  <rule ref="Generic.PHP.LowerCaseKeyword"/>
  <rule ref="Generic.PHP.LowerCaseConstant"/>

  <!-- Include WordPress Coding Standards with few exclusions -->
  <rule ref="WordPress">
    <!--
    We may want a middle ground though. The best way to do this is add the
    entire ruleset, then rule by rule, remove ones that don't suit a project. We
    can do this by running `phpcs` with the '-s' flag, to see the names of the
    different Sniffs, as their rules are broken. From here, we can opt to
    exclude problematic sniffs like so.
    -->

    <!-- Not for WordPress VIP -->
    <exclude name="WordPress.VIP" />

    <!-- Exclude indentation rules and use PEAR.WhiteSpace.ScopeIndent instead -->
    <exclude name="Generic.WhiteSpace.ScopeIndent" />

    <!-- Use spaces instead of tabs -->
    <exclude name="Generic.WhiteSpace.DisallowSpaceIndent.SpacesUsed" />

    <!-- Free-form commenting rules -->
    <exclude name="Squiz.Commenting" />

    <!--
      This forces you to put '.' in oneline comments.
      Maybe full sentences are better than comments with 1-2 words
      But we don't want to discourage people from usen even a small comments
    -->
    <exclude name="Squiz.Commenting.InlineComment.InvalidEndChar" />

    <!-- <?php doesn't have to be on its own line -->
    <exclude name="Squiz.PHP.EmbeddedPhp.ContentBeforeEnd" />
    <exclude name="Squiz.PHP.EmbeddedPhp.ContentAfterOpen" />

    <!-- Squiz.PHP.EmbeddedPhp.ContentBeforeEnd -->
    <exclude name="Generic.ControlStructures.InlineControlStructure.NotAllowed" />

    <!-- These indentation rules are just wrong :) -->
    <exclude name="PEAR.Functions.FunctionCallSignature.Indent" />

    <!-- Welcome to the dark side -->
    <exclude name="WordPress.PHP.YodaConditions" />

    <!-- We don't use nonce verification in this plugin -->
    <exclude name="WordPress.CSRF.NonceVerification.NoNonceVerification" />

    <!-- We like assignments in if -->
    <exclude name="Squiz.PHP.DisallowMultipleAssignments.Found" />

    <!-- Our hooks use dashes, not underscores -->
    <exclude name="WordPress.NamingConventions.ValidHookName.UseUnderscores" />

    <!-- This would be nice to enforce, but plugin main file shouldn't be called class-something -->
    <exclude name="WordPress.Files.FileName.InvalidClassFileName" />

    <!-- This one is just weird. -->
    <exclude name="WordPress.Arrays.ArrayIndentation" />

  </rule>
</ruleset>