phpcs.xml

<?xml version="1.0"?>
<ruleset name="WordPress-Core">
    <!-- See https://github.com/squizlabs/PHP_CodeSniffer/wiki/Annotated-ruleset.xml -->
    <!-- See https://github.com/WordPress-Coding-Standards/WordPress-Coding-Standards -->
    <!-- See https://github.com/WordPress-Coding-Standards/WordPress-Coding-Standards/wiki -->
    <!-- See https://github.com/wimg/PHPCompatibility -->

    <!-- Set a description for this ruleset. -->
    <description>A custom set of code standard rules to check for WordPress themes.</description>

    <!-- Pass some flags to PHPCS:
         p flag: Show progress of the run.
         s flag: Show sniff codes in all reports.
         v flag: Print verbose output.
         n flag: Do not print warnings.
     -->
     <arg value="psvn"/>

     <!-- Only check the PHP, CSS and SCSS files. JS files are checked separately with JSCS and JSHint. -->
     <arg name="extensions" value="php,css,scss/css"/>

     <!-- Check all files in this directory and the directories below it. -->
     <file>.</file>

     <!-- Include the WordPress ruleset, with exclusions. -->
     <rule ref="WordPress">

        <!-- Strict intendation rules we want to exclude -->
        <exclude name="Generic.WhiteSpace.ScopeIndent.IncorrectExact" />
        <exclude name="Generic.WhiteSpace.ScopeIndent.Incorrect" />
        <exclude name="Generic.WhiteSpace.DisallowSpaceIndent.SpacesUsed" />
        <exclude name="PEAR.Functions.FunctionCallSignature.Indent" />
        <exclude name="WordPress.Arrays.ArrayIndentation.ItemNotAligned" />
        <exclude name="WordPress.Arrays.ArrayIndentation.MultiLineArrayItemNotAligned" />
        <exclude name="WordPress.WhiteSpace.DisallowInlineTabs.NonIndentTabsUsed" />
        <exclude name="WordPress.Arrays.ArrayIndentation.CloseBraceNotAligned" />
        <exclude name="PEAR.Functions.FunctionCallSignature.OpeningIndent" />

        <!-- Don't require too strict inline commenting, it's a good thing to documentate, let's not make it frustrating -->
        <exclude name="Squiz.Commenting.FunctionComment.WrongStyle" />
        <exclude name="Squiz.Commenting.ClassComment.WrongStyle" />
        <exclude name="Squiz.Commenting.InlineComment.InvalidEndChar" />
        <exclude name="Squiz.Commenting.FunctionComment.Missing" />
        <exclude name="Squiz.Commenting.FunctionComment.MissingParamTag" />
        <exclude name="Squiz.Commenting.InlineComment.SpacingAfter" />
        <exclude name="Squiz.Commenting.FileComment.Missing" />
        <exclude name="Squiz.Commenting.LongConditionClosingComment.Missing" />
        <exclude name="Squiz.Commenting.FunctionComment.ParamCommentFullStop" />

        <!-- General code style related excludes -->
        <exclude name="Squiz.PHP.DisallowMultipleAssignments.Found" />
        <exclude name="Squiz.PHP.EmbeddedPhp.MultipleStatements" />
        <exclude name="Squiz.PHP.EmbeddedPhp.ContentAfterOpen" />
        <exclude name="Squiz.PHP.EmbeddedPhp.ContentBeforeEnd" />
        <exclude name="Generic.Formatting.DisallowMultipleStatements.SameLine" />
        <exclude name="WordPress.Arrays.ArrayDeclarationSpacing.AssociativeKeyFound" />
        <exclude name="WordPress.Arrays.ArrayDeclarationSpacing.AssociativeArrayFound" />
        <exclude name="Squiz.ControlStructures.ControlSignature.NewlineAfterOpenBrace" />
        <exclude name="PHPCompatibility.PHP.NewFunctionArrayDereferencing.Found" />
        <exclude name="Generic.Arrays.DisallowShortArraySyntax" />

        <!-- General WordPress stuff we like to overrule -->
        <exclude name="WordPress.Files.FileName.InvalidClassFileName" />

        <!-- Very strict VIP/discouraged rules that are not needed -->
        <exclude name="WordPress.XSS.EscapeOutput.OutputNotEscaped" />
        <exclude name="WordPress.Functions.DontExtract.extract_extract" />
        <exclude name="Generic.Functions.FunctionCallArgumentSpacing.TooMuchSpaceAfterComma" />
        <exclude name="Generic.Commenting.DocComment.MissingShort" />
        <exclude name="Generic.Commenting.DocComment.SpacingBeforeTags" />
        <exclude name="Squiz.PHP.EmbeddedPhp.NoSemicolon" />
        <exclude name="PHPCompatibility.PHP.NewClosure.Found" />
        <exclude name="PEAR.Functions.FunctionCallSignature.ContentAfterOpenBracket" />
        <exclude name="PEAR.Functions.FunctionCallSignature.CloseBracketLine" />
        <exclude name="PEAR.Functions.FunctionCallSignature.MultipleArguments" />
        <exclude name="WordPress.PHP.DontExtract.extract_extract" />

        <!-- Translations related, not always necessary, too strict -->
        <exclude name="WordPress.WP.I18n.MissingTranslatorsComment" />

        <!-- EditorConfig makes sure this happens anyway & false positives happen with this -->
        <exclude name="Generic.Files.EndFileNewline.NotFound" />

        <!-- Many times when developing a customer case we have placeholders for SVG includes, so unnecessary error reports happen with this rule -->
        <exclude name="Squiz.PHP.EmbeddedPhp.Empty" />

        <!-- Other useful excludes -->
        <exclude name="WordPress.Arrays.MultipleStatementAlignment.DoubleArrowNotAligned" />
        <exclude name="WordPress.WP.GlobalVariablesOverride.Prohibited" />
        <exclude name="PEAR.NamingConventions.ValidClassName.StartWithCapital" />
        <exclude name="WordPress.Security.ValidatedSanitizedInput.MissingUnslash" />
        <exclude name="Generic.ControlStructures.InlineControlStructure.NotAllowed" />
        <exclude name="Squiz.PHP.EmbeddedPhp.ContentBeforeOpen" />
        <exclude name="Generic.Formatting.MultipleStatementAlignment.NotSameWarning" />
        <exclude name="PEAR.Files.IncludingFile.UseRequire" />
        <exclude name="WordPress.Arrays.MultipleStatementAlignment.DoubleArrowNotAligned" />
        <exclude name="WordPress.PHP.DiscouragedPHPFunctions.obfuscation_base64_encode" />
        <exclude name="WordPress.DB.SlowDBQuery.slow_db_query_tax_query" />
        <exclude name="WordPress.PHP.DisallowShortTernary.Found" />

        <!-- Dudestack based -->
        <exclude name="Squiz.PHP.CommentedOutCode.Found" />
        <exclude name="Squiz.Commenting.FileComment.MissingPackageTag" />
        <exclude name="WordPress.PHP.IniSet.display_errors_Blacklisted" />
        <exclude name="WordPress.PHP.YodaConditions.NotYoda" />
        <exclude name="WordPress.WP.AlternativeFunctions.parse_url_parse_url" />
        <exclude name="Squiz.Commenting.ClassComment.Missing" />
        <exclude name="Squiz.Commenting.VariableComment.Missing" />
        <exclude name="Universal.Arrays.DisallowShortArraySyntax.Found" />
        <exclude name="Universal.WhiteSpace.PrecisionAlignment.Found" />
        <exclude name="WordPress.Files.FileName.NotHyphenatedLowercase" />
        <exclude name="Squiz.Commenting.VariableComment.WrongStyle" />
        <exclude name="PSR2.Classes.PropertyDeclaration.Underscore" />
        <exclude name="Universal.Operators.DisallowShortTernary.Found" />
    </rule>

    <!-- Include sniffs for PHP cross-version compatibility. -->
    <config name="testVersion" value="8.3"/>
    <rule ref="PHPCompatibility"/>
</ruleset>