Use shorthand casting and normalise whitespace

src/Libero/ruleset.xml

@@ -10,6 +10,7 @@
         <exclude name="PSR2.Namespaces.UseDeclaration.SpaceAfterLastUse"/>
     </rule>
 
+    <rule ref="Generic.Formatting.SpaceAfterCast"/>
     <rule ref="Generic.PHP.BacktickOperator"/>
     <rule ref="Generic.PHP.LowerCaseType"/>
     <rule ref="PEAR.WhiteSpace.ObjectOperatorIndent"/>
@@ -42,6 +43,7 @@
     <rule ref="SlevomatCodingStandard.Namespaces.UseDoesNotStartWithBackslash"/>
     <rule ref="SlevomatCodingStandard.Namespaces.UseFromSameNamespace"/>
     <rule ref="SlevomatCodingStandard.Namespaces.UseSpacing"/>
+    <rule ref="SlevomatCodingStandard.PHP.TypeCast"/>
     <rule ref="SlevomatCodingStandard.TypeHints.DeclareStrictTypes">
         <properties>
             <property name="newlinesCountAfterDeclare" value="2"/>
@@ -58,6 +60,7 @@
     </rule>
     <rule ref="Squiz.Classes.ClassFileName"/>
     <rule ref="Squiz.PHP.InnerFunctions"/>
+    <rule ref="Squiz.WhiteSpace.CastSpacing"/>
     <rule ref="Squiz.WhiteSpace.ObjectOperatorSpacing">
         <properties>
             <property name="ignoreNewlines" value="true"/>

tests/cases/php/type-cast-long

@@ -0,0 +1,21 @@
+---DESCRIPTION---
+Shorthand cast operators must be used
+---CONTENTS---
+<?php
+
+declare(strict_types=1);
+
+$foo = (boolean) $foo;
+$bar = (integer) $bar;
+$baz = (double) $baz;
+
+---FIXED---
+<?php
+
+declare(strict_types=1);
+
+$foo = (bool) $foo;
+$bar = (int) $bar;
+$baz = (float) $baz;
+
+---

tests/cases/whitespace/type-cast

@@ -0,0 +1,25 @@
+---DESCRIPTION---
+Single space after type casting and none inside
+---CONTENTS---
+<?php
+
+declare(strict_types=1);
+
+$foo = (bool)$foo;
+$bar = ( int  )  $bar;
+$baz = (  float)
+$baz;
+$qux = (bool)(int)  (float)
+(string)$qux;
+
+---FIXED---
+<?php
+
+declare(strict_types=1);
+
+$foo = (bool) $foo;
+$bar = (int) $bar;
+$baz = (float) $baz;
+$qux = (bool) (int) (float) (string) $qux;
+
+---