ClassType::from() resolves inheriting interfaces [Closes #32]

Author: dg

src/PhpGenerator/Factory.php

@@ -27,7 +27,15 @@ public function fromClassReflection(\ReflectionClass $from): ClassType
 		$class->setType($from->isInterface() ? 'interface' : ($from->isTrait() ? 'trait' : 'class'));
 		$class->setFinal($from->isFinal() && $class->getType() === 'class');
 		$class->setAbstract($from->isAbstract() && $class->getType() === 'class');
-		$class->setImplements($from->getInterfaceNames());
+
+		$ifaces = $from->getInterfaceNames();
+		foreach ($ifaces as $iface) {
+			$ifaces = array_filter($ifaces, function ($item) use ($iface) {
+				return !is_subclass_of($iface, $item);
+			});
+		}
+		$class->setImplements($ifaces);
+
 		$class->setComment(Helpers::unformatDocComment((string) $from->getDocComment()));
 		if ($from->getParentClass()) {
 			$class->setExtends($from->getParentClass()->getName());

tests/PhpGenerator/ClassType.inheritance.expect

@@ -1,4 +1,4 @@
-class B extends A
+class B extends A implements I3
 {
 	public $d;
 

tests/PhpGenerator/ClassType.inheritance.phpt

@@ -8,7 +8,22 @@ use Tester\Assert;
 require __DIR__ . '/../bootstrap.php';
 
 
-class A
+interface I1
+{
+}
+
+
+interface I2
+{
+}
+
+
+interface I3 extends I2
+{
+}
+
+
+class A implements I1
 {
 	public $a;
 
@@ -23,7 +38,7 @@ class A
 }
 
 
-class B extends A
+class B extends A implements I3
 {
 	public $d;