Normalise parentheses

src/Libero/ruleset.xml

@@ -27,6 +27,8 @@
     <rule ref="SlevomatCodingStandard.Classes.SuperfluousAbstractClassNaming"/>
     <rule ref="SlevomatCodingStandard.Classes.SuperfluousExceptionNaming"/>
     <rule ref="SlevomatCodingStandard.Classes.SuperfluousInterfaceNaming"/>
+    <rule ref="SlevomatCodingStandard.ControlStructures.LanguageConstructWithParentheses"/>
+    <rule ref="SlevomatCodingStandard.ControlStructures.NewWithParentheses"/>
     <rule ref="SlevomatCodingStandard.ControlStructures.RequireNullCoalesceOperator"/>
     <rule ref="SlevomatCodingStandard.Namespaces.AlphabeticallySortedUses"/>
     <rule ref="SlevomatCodingStandard.Namespaces.ReferenceUsedNamesOnly">
@@ -47,6 +49,11 @@
     <rule ref="SlevomatCodingStandard.Operators.RequireCombinedAssignmentOperator"/>
     <rule ref="SlevomatCodingStandard.PHP.ShortList"/>
     <rule ref="SlevomatCodingStandard.PHP.TypeCast"/>
+    <rule ref="SlevomatCodingStandard.PHP.UselessParentheses">
+        <properties>
+            <property name="ignoreComplexTernaryConditions" value="true"/>
+        </properties>
+    </rule>
     <rule ref="SlevomatCodingStandard.TypeHints.DeclareStrictTypes">
         <properties>
             <property name="newlinesCountAfterDeclare" value="2"/>

tests/cases/php/parentheses

@@ -0,0 +1,43 @@
+---DESCRIPTION---
+Language constructs must be used without parentheses
+---CONTENTS---
+<?php
+
+declare(strict_types=1);
+
+require('foo.php');
+
+echo('bar');
+
+foreach ([] as $value) {
+    break (1);
+}
+
+$baz = function () {
+    yield('baz');
+    return('qux');
+};
+
+die();
+
+---FIXED---
+<?php
+
+declare(strict_types=1);
+
+require 'foo.php';
+
+echo 'bar';
+
+foreach ([] as $value) {
+    break 1;
+}
+
+$baz = function () {
+    yield 'baz';
+    return 'qux';
+};
+
+die;
+
+---

tests/cases/php/parentheses-new

@@ -0,0 +1,17 @@
+---DESCRIPTION---
+New instances must use parentheses
+---CONTENTS---
+<?php
+
+declare(strict_types=1);
+
+new Foo;
+
+---FIXED---
+<?php
+
+declare(strict_types=1);
+
+new Foo();
+
+---

tests/cases/php/parentheses-useless

@@ -0,0 +1,35 @@
+---DESCRIPTION---
+Parentheses must not be used unnecessarily
+---CONTENTS---
+<?php
+
+declare(strict_types=1);
+
+$foo = ('bar');
+$baz = ($qux !== null) ? true : false;
+$quux = ($quuz) ? 1 : 0;
+$corge = (true || false) ? 0 : 1;
+
+switch ($grault) {
+    case (true):
+    case (false):
+        return $garply / (100 + $waldo);
+}
+
+---FIXED---
+<?php
+
+declare(strict_types=1);
+
+$foo = 'bar';
+$baz = $qux !== null ? true : false;
+$quux = $quuz ? 1 : 0;
+$corge = (true || false) ? 0 : 1;
+
+switch ($grault) {
+    case true:
+    case false:
+        return $garply / (100 + $waldo);
+}
+
+---