phpcs.xml

<?xml version="1.0"?>
<ruleset
  xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
  xsi:noNamespaceSchemaLocation="vendor/squizlabs/php_codesniffer/phpcs.xsd"
  name="Exercism PHP Coding Standard"
>
  <description>Coding standard for Exercism PHP exercises</description>

  <!-- Expect all files are UTF-8 -->
  <arg name="encoding" value="utf-8" />

  <!-- No warnings (ignore them) -->
  <arg value="n" />

  <!-- Show sniffs (it's easy to find solutions knowing the code) -->
  <arg value="s" />

  <!-- A TAB is 4 chars wide (does not replace them, for calculation only!) -->
  <arg name="tab-width" value="4" />

  <!-- Run on 60 files in parallel -->
  <arg name="parallel" value="60" />

  <file>exercises</file>
  <file>src</file>

  <!-- Include all sniffs in the PSR12 standard except... -->
  <rule ref="PSR12">
    <exclude name="PSR1.Classes.ClassDeclaration.MissingNamespace" />
    <exclude name="PSR1.Classes.ClassDeclaration.MultipleClasses" />
    <exclude name="PSR1.Files.SideEffects.FoundWithSymbols" />
  </rule>
  <rule ref="Squiz.Scope.MethodScope.Missing">
    <exclude-pattern>*/concept/city-office/*</exclude-pattern>
    <exclude-pattern>*/concept/windowing-system/*</exclude-pattern>
  </rule>
  <rule ref="SlevomatCodingStandard.TypeHints.DeclareStrictTypes">
    <exclude-pattern>*/.meta/*\.php</exclude-pattern>
    <exclude-pattern>*/concept/*</exclude-pattern>
    <exclude-pattern>*/hello-world/*</exclude-pattern>
    <properties>
      <property name="linesCountBeforeDeclare" value="1" />
      <property name="linesCountAfterDeclare" value="1" />
      <property name="spacesCountAroundEqualsSign" value="0" />
    </properties>
  </rule>
  <rule ref="src/Exercism/Sniffs/StrictTypes/ExplainStrictTypesSniff.php">
    <exclude-pattern>*/*Test\.php</exclude-pattern>
    <exclude-pattern>*/.meta/*\.php</exclude-pattern>
    <exclude-pattern>src/*</exclude-pattern>
    <exclude-pattern>contribution/*.php</exclude-pattern>
  </rule>
</ruleset>