Fixed bug #62715 (ReflectionParameter::isDefaultValueAvailable() wrong result)

NEWS

@@ -13,6 +13,10 @@ PHP                                                                        NEWS
 - DateTime:
   . Fixed Bug #62500 (Segfault in DateInterval class when extended). (Laruence)
 
+- Reflection:
+  . Fixed bug #62715 (ReflectionParameter::isDefaultValueAvailable() wrong
+    result). (Laruence)
+
 - SPL:
   . Fixed bug #62616 (ArrayIterator::count() from IteratorIterator instance
     gives Segmentation fault). (Laruence, Gustavo)

ext/reflection/php_reflection.c

@@ -2379,9 +2379,7 @@ ZEND_METHOD(reflection_parameter, isDefaultValueAvailable)
 	{
 		RETURN_FALSE;
 	}
-	if (param->offset < param->required) {
-		RETURN_FALSE;
-	}
+
 	precv = _get_recv_op((zend_op_array*)param->fptr, param->offset);
 	if (!precv || precv->opcode != ZEND_RECV_INIT || precv->op2.op_type == IS_UNUSED) {
 		RETURN_FALSE;

ext/reflection/tests/bug62715.phpt

@@ -0,0 +1,17 @@
+--TEST--
+Bug #62715 (ReflectionParameter::isDefaultValueAvailable() wrong result)
+--FILE--
+<?php
+
+function test(PDO $a = null, $b = 0, array $c) {}
+$r = new ReflectionFunction('test');
+
+foreach ($r->getParameters() as $p) {
+    var_dump($p->isDefaultValueAvailable());
+}
+
+?>
+--EXPECT--
+bool(true)
+bool(true)
+bool(false)