Merge branch 'PHP-7.0'

Zend/tests/foreach_017.phpt

@@ -45,7 +45,7 @@ $done = 0;
 $a = [0,1,2,3,4];
 foreach($a as &$v) {
 	echo "$v\n";
-	if ($done && $v == 3) {
+	if (!$done && $v == 3) {
 		$done = 1;
 		array_splice($a, 1, 2, $replacement);
 	}

ext/spl/spl_array.c

@@ -83,6 +83,7 @@ static inline spl_array_object *spl_array_from_obj(zend_object *obj) /* {{{ */ {
 #define Z_SPLARRAY_P(zv)  spl_array_from_obj(Z_OBJ_P((zv)))
 
 static inline HashTable *spl_array_get_hash_table(spl_array_object* intern) { /* {{{ */
+	//??? TODO: Delay duplication for arrays; only duplicate for write operations
 	if (intern->ar_flags & SPL_ARRAY_IS_SELF) {
 		if (!intern->std.properties) {
 			rebuild_object_properties(&intern->std);
@@ -91,8 +92,19 @@ static inline HashTable *spl_array_get_hash_table(spl_array_object* intern) { /*
 	} else if (intern->ar_flags & SPL_ARRAY_USE_OTHER) {
 		spl_array_object *other = Z_SPLARRAY_P(&intern->array);
 		return spl_array_get_hash_table(other);
+	} else if (Z_TYPE(intern->array) == IS_ARRAY) {
+		return Z_ARRVAL(intern->array);
 	} else {
-		return HASH_OF(&intern->array);
+		zend_object *obj = Z_OBJ(intern->array);
+		if (!obj->properties) {
+			rebuild_object_properties(obj);
+		} else if (GC_REFCOUNT(obj->properties) > 1) {
+			if (EXPECTED(!(GC_FLAGS(obj->properties) & IS_ARRAY_IMMUTABLE))) {
+				GC_REFCOUNT(obj->properties)--;
+			}
+			obj->properties = zend_array_dup(obj->properties);
+		}
+		return obj->properties;
 	}
 } /* }}} */
 
@@ -1082,13 +1094,13 @@ static void spl_array_set_array(zval *object, spl_array_object *intern, zval *ar
 		return;
 	}
 
-	zval_ptr_dtor(&intern->array);
-
 	if (Z_TYPE_P(array) == IS_ARRAY) {
 		//??? TODO: try to avoid array duplication
+		zval_ptr_dtor(&intern->array);
 		ZVAL_DUP(&intern->array, array);
 	} else {
 		if (Z_OBJ_HT_P(array) == &spl_handler_ArrayObject || Z_OBJ_HT_P(array) == &spl_handler_ArrayIterator) {
+			zval_ptr_dtor(&intern->array);
 			if (just_array)	{
 				spl_array_object *other = Z_SPLARRAY_P(array);
 				ar_flags = other->ar_flags & ~SPL_ARRAY_INT_MASK;
@@ -1102,18 +1114,13 @@ static void spl_array_set_array(zval *object, spl_array_object *intern, zval *ar
 			}
 		} else {
 			zend_object_get_properties_t handler = Z_OBJ_HANDLER_P(array, get_properties);
-			if (handler != std_object_handlers.get_properties
-				|| !spl_array_get_hash_table(intern)) {
-				ZVAL_UNDEF(&intern->array);
-				zend_throw_exception_ex(spl_ce_InvalidArgumentException, 0, "Overloaded object of type %s is not compatible with %s", Z_OBJCE_P(array)->name, intern->std.ce->name);
-			}
-			//??? TODO: try to avoid array duplication
-			if (Z_OBJ_P(array)->properties && GC_REFCOUNT(Z_OBJ_P(array)->properties) > 1) {
-				if (EXPECTED(!(GC_FLAGS(Z_OBJ_P(array)->properties) & IS_ARRAY_IMMUTABLE))) {
-					GC_REFCOUNT(Z_OBJ_P(array)->properties)--;
-				}
-				Z_OBJ_P(array)->properties = zend_array_dup(Z_OBJ_P(array)->properties);
+			if (handler != std_object_handlers.get_properties) {
+				zend_throw_exception_ex(spl_ce_InvalidArgumentException, 0,
+					"Overloaded object of type %s is not compatible with %s",
+					ZSTR_VAL(Z_OBJCE_P(array)->name), ZSTR_VAL(intern->std.ce->name));
+				return;
 			}
+			zval_ptr_dtor(&intern->array);
 			ZVAL_COPY(&intern->array, array);
 		}
 	}
@@ -1267,6 +1274,11 @@ SPL_METHOD(Array, exchangeArray)
 		return;
 	}
 
+	if (intern->nApplyCount > 0) {
+		zend_error(E_WARNING, "Modification of ArrayObject during sorting is prohibited");
+		return;
+	}
+
 	RETVAL_ARR(zend_array_dup(spl_array_get_hash_table(intern)));
 	spl_array_set_array(object, intern, array, 0L, 1);
 }

ext/spl/tests/ArrayObject_exchange_array_during_sorting.phpt

@@ -0,0 +1,29 @@
+--TEST--
+Can't use exchangeArray() while ArrayObject is being sorted
+--FILE--
+<?php
+
+$ao = new ArrayObject([1, 2, 3]);
+$i = 0;
+$ao->uasort(function($a, $b) use ($ao, &$i) {
+    if ($i++ == 0) {
+        $ao->exchangeArray([4, 5, 6]);
+        var_dump($ao);
+    }
+    return $a <=> $b;
+});
+
+?>
+--EXPECTF--
+Warning: Modification of ArrayObject during sorting is prohibited in %s on line %d
+object(ArrayObject)#1 (1) {
+  ["storage":"ArrayObject":private]=>
+  array(3) {
+    [0]=>
+    int(1)
+    [1]=>
+    int(2)
+    [2]=>
+    int(3)
+  }
+}

ext/spl/tests/ArrayObject_modify_shared_object_properties.phpt

@@ -0,0 +1,19 @@
+--TEST--
+Modifications to ArrayObjects should not affect shared properties tables
+--FILE--
+<?php
+
+$obj = (object)['a' => 1, 'b' => 2];
+$ao = new ArrayObject($obj);
+$arr = (array) $obj;
+$ao['a'] = 42;
+var_dump($arr);
+
+?>
+--EXPECT--
+array(2) {
+  ["a"]=>
+  int(1)
+  ["b"]=>
+  int(2)
+}

ext/spl/tests/ArrayObject_overloaded_object_incompatible.phpt

@@ -0,0 +1,27 @@
+--TEST--
+Objects with overloaded get_properties are incompatible with ArrayObject
+--FILE--
+<?php
+
+$ao = new ArrayObject([1, 2, 3]);
+try {
+    $ao->exchangeArray(new SplFixedArray);
+} catch (Exception $e) {
+    echo $e->getMessage(), "\n";
+}
+var_dump($ao);
+
+?>
+--EXPECT--
+Overloaded object of type SplFixedArray is not compatible with ArrayObject
+object(ArrayObject)#1 (1) {
+  ["storage":"ArrayObject":private]=>
+  array(3) {
+    [0]=>
+    int(1)
+    [1]=>
+    int(2)
+    [2]=>
+    int(3)
+  }
+}