<?xml version="1.0"?>
<ruleset name="PSR1">
 <description>The PSR1 coding standard.</description>

 <!-- 2. Files -->

 <!-- 2.1. PHP Tags -->

 <!-- PHP code MUST use the long <?php ?> tags or the short-echo <?= ?> tags; it MUST NOT use the other tag variations. -->
 <rule ref="Generic.PHP.DisallowShortOpenTag.EchoFound">
  <severity>0</severity>
 </rule>

 <!-- 2.2. Character Encoding -->

 <!-- PHP code MUST use only UTF-8 without BOM. -->
 <rule ref="Generic.Files.ByteOrderMark"/>

 <!-- 2.3. Side Effects -->

 <!-- A file SHOULD declare new symbols (classes, functions, constants, etc.) and cause no other side effects, or it SHOULD execute logic with side effects, but SHOULD NOT do both. -->
 <!-- checked in Files/SideEffectsSniff -->

 <!-- 3. Namespace and Class Names -->

 <!-- Namespaces and classes MUST follow PSR-0.
      This means each class is in a file by itself, and is in a namespace of at least one level: a top-level vendor name. -->
 <!-- checked in Classes/ClassDeclarationSniff -->

 <!-- Class names MUST be declared in StudlyCaps. -->
 <rule ref="Squiz.Classes.ValidClassName"/>

 <!-- 4. Class Constants, Properties, and Methods -->

 <!-- 4.1. Constants -->

 <!-- Class constants MUST be declared in all upper case with underscore separators. -->
 <rule ref="Generic.NamingConventions.UpperCaseConstantName"/>

 <!-- 4.3. Methods -->

 <!-- Method names MUST be declared in camelCase(). -->
 <!-- checked in Methods/CamelCaseMethodNameSniff -->

</ruleset>