Updated PHPStan to v0.11.15

lib/Doctrine/DBAL/Types/ArrayType.php

@@ -43,7 +43,7 @@ class ArrayType extends Type
 
         $value = is_resource($value) ? stream_get_contents($value) : $value;
 
-        set_error_handler(function (int $code, string $message) : void {
+        set_error_handler(function (int $code, string $message) : bool {
             throw ConversionException::conversionFailedUnserialization($this->getName(), $message);
         });
 

lib/Doctrine/DBAL/Types/ObjectType.php

@@ -42,7 +42,7 @@ class ObjectType extends Type
 
         $value = is_resource($value) ? stream_get_contents($value) : $value;
 
-        set_error_handler(function (int $code, string $message) : void {
+        set_error_handler(function (int $code, string $message) : bool {
             throw ConversionException::conversionFailedUnserialization($this->getName(), $message);
         });
 

phpcs.xml.dist

@@ -72,4 +72,10 @@
     <rule ref="SlevomatCodingStandard.Operators.DisallowEqualOperators.DisallowedNotEqualOperator">
         <exclude-pattern>lib/Doctrine/DBAL/Schema/Comparator.php</exclude-pattern>
     </rule>
+
+    <!-- see https://github.com/slevomat/coding-standard/issues/737 -->
+    <rule ref="SlevomatCodingStandard.TypeHints.TypeHintDeclaration.IncorrectReturnTypeHint">
+        <exclude-pattern>lib/Doctrine/DBAL/Types/ArrayType.php</exclude-pattern>
+        <exclude-pattern>lib/Doctrine/DBAL/Types/ObjectType.php</exclude-pattern>
+    </rule>
 </ruleset>