.phpcodesniffer.xml

<?xml version="1.0"?>
<ruleset name="Hoppinger">
  <description>Non-controversial generally-agreed upon WordPress Coding Standards</description>

  <!-- http://make.wordpress.org/core/handbook/coding-standards/php/#brace-style -->
  <rule ref="Generic.ControlStructures.InlineControlStructure" />
  <rule ref="Squiz.ControlStructures.ControlSignature" />
  <rule ref="Squiz.ControlStructures.ControlSignature.NewlineAfterOpenBrace">
    <severity>0</severity>
  </rule>

  <!-- http://make.wordpress.org/core/handbook/coding-standards/php/#remove-trailing-spaces -->
  <rule ref="Squiz.WhiteSpace.SuperfluousWhitespace"/>

  <!-- http://make.wordpress.org/core/handbook/coding-standards/php/#no-shorthand-php-tags -->
  <rule ref="Generic.PHP.DisallowShortOpenTag"/>

  <!-- important to prevent issues with content being sent before headers -->
  <rule ref="Generic.Files.ByteOrderMark"/>

  <!-- http://make.wordpress.org/core/handbook/coding-standards/php/#naming-conventions -->
  <rule ref="Generic.PHP.LowerCaseConstant"/>

  <!-- http://make.wordpress.org/core/handbook/coding-standards/php/#indentation -->
  <arg name="tab-width" value="2"/>
  <exclude name="Generic.WhiteSpace.DisallowSpaceIndent"/>
  <rule ref="Generic.WhiteSpace.ScopeIndent">
    <properties>
      <property name="indent" value="2"/>
      <property name="spaceIndent" value="true"/>
    </properties>
  </rule>

  <!-- http://make.wordpress.org/core/handbook/coding-standards/php/#error-control-operator -->
  <rule ref="Generic.PHP.NoSilencedErrors" />

  <rule ref="Squiz.Strings.DoubleQuoteUsage"/>
  <rule ref="Squiz.Strings.DoubleQuoteUsage.ContainsVar">
    <severity>0</severity>
  </rule>

  <rule ref="Generic.PHP.LowerCaseKeyword"/>

  <rule ref="Generic.Files.LineEndings">
    <properties>
      <property name="eolChar" value="\n"/>
    </properties>
  </rule>


  <rule ref="Generic.Files.EndFileNewline"/>

  <!-- https://make.wordpress.org/core/handbook/coding-standards/php/#naming-conventions -->
  <rule ref="Generic.Files.LowercasedFilename"/>

  <!-- https://make.wordpress.org/core/handbook/coding-standards/php/#space-usage -->
  <rule ref="Generic.Formatting.SpaceAfterCast"/>

  <!-- https://make.wordpress.org/core/handbook/coding-standards/php/#brace-style -->
  <rule ref="Generic.Functions.OpeningFunctionBraceKernighanRitchie"/>

  <rule ref="PEAR.Functions.FunctionCallSignature">
    <properties>
      <property name="requiredSpacesAfterOpen" value="1" />
      <property name="requiredSpacesBeforeClose" value="1" />
    </properties>
  </rule>
  <rule ref="PEAR.Functions.FunctionCallSignature.ContentAfterOpenBracket">
    <severity>0</severity>
  </rule>
  <rule ref="PEAR.Functions.FunctionCallSignature.CloseBracketLine">
    <severity>0</severity>
  </rule>

  <rule ref="Squiz.Functions.FunctionDeclarationArgumentSpacing">
    <properties>
      <property name="equalsSpacing" value="1" />
      <property name="requiredSpacesAfterOpen" value="1" />
      <property name="requiredSpacesBeforeClose" value="1" />
    </properties>
  </rule>

  <rule ref="WordPress.Arrays.ArrayDeclaration">
    <exclude name="WordPress.Arrays.ArrayDeclaration.SingleLineNotAllowed" />
  </rule>
  <rule ref="WordPress.Arrays.ArrayKeySpacingRestrictions"/>
  <rule ref="WordPress.Classes.ValidClassName"/>
  <rule ref="WordPress.Files.FileName"/>
  <rule ref="WordPress.NamingConventions.ValidFunctionName"/>
  <rule ref="WordPress.WhiteSpace.ControlStructureSpacing"/>
  <rule ref="WordPress.WhiteSpace.OperatorSpacing"/>
  <rule ref="WordPress.WhiteSpace.CastStructureSpacing"/>

</ruleset>