Fixed bug RecursiveArrayIterator does not implement Countable

ArrayIterator implemented Countable only after it was already inherited by
RecursiveArrayIterator. Thus the interface was missing in RAI.

ext/spl/spl_array.c

@@ -2005,6 +2005,7 @@ PHP_MINIT_FUNCTION(spl_array)
 	REGISTER_SPL_IMPLEMENTS(ArrayObject, Aggregate);
 	REGISTER_SPL_IMPLEMENTS(ArrayObject, ArrayAccess);
 	REGISTER_SPL_IMPLEMENTS(ArrayObject, Serializable);
+	REGISTER_SPL_IMPLEMENTS(ArrayObject, Countable);
 	spl_ce_ArrayObject->serialize   = spl_array_serialize;
 	spl_ce_ArrayObject->unserialize = spl_array_unserialize;
 	memcpy(&spl_handler_ArrayObject, zend_get_std_object_handlers(), sizeof(zend_object_handlers));
@@ -2031,6 +2032,7 @@ PHP_MINIT_FUNCTION(spl_array)
 	REGISTER_SPL_IMPLEMENTS(ArrayIterator, ArrayAccess);
 	REGISTER_SPL_IMPLEMENTS(ArrayIterator, SeekableIterator);
 	REGISTER_SPL_IMPLEMENTS(ArrayIterator, Serializable);
+	REGISTER_SPL_IMPLEMENTS(ArrayIterator, Countable);
 	spl_ce_ArrayIterator->serialize   = spl_array_serialize;
 	spl_ce_ArrayIterator->unserialize = spl_array_unserialize;
 	memcpy(&spl_handler_ArrayIterator, &spl_handler_ArrayObject, sizeof(zend_object_handlers));
@@ -2040,9 +2042,6 @@ PHP_MINIT_FUNCTION(spl_array)
 	REGISTER_SPL_IMPLEMENTS(RecursiveArrayIterator, RecursiveIterator);
 	spl_ce_RecursiveArrayIterator->get_iterator = spl_array_get_iterator;
 
-	REGISTER_SPL_IMPLEMENTS(ArrayObject, Countable);
-	REGISTER_SPL_IMPLEMENTS(ArrayIterator, Countable);
-
 	REGISTER_SPL_CLASS_CONST_LONG(ArrayObject,   "STD_PROP_LIST",    SPL_ARRAY_STD_PROP_LIST);
 	REGISTER_SPL_CLASS_CONST_LONG(ArrayObject,   "ARRAY_AS_PROPS",   SPL_ARRAY_ARRAY_AS_PROPS);
 

ext/spl/tests/bug62262.phpt

@@ -0,0 +1,10 @@
+--TEST--
+Bug #62262: RecursiveArrayIterator does not implement Countable
+--FILE--
+<?php
+
+var_dump(new RecursiveArrayIterator(array()) instanceof Countable);
+
+?>
+--EXPECT--
+bool(true)