PHPC-769: Javascript serialization, export, and dump should always include scope field

src/BSON/Javascript.c

@@ -330,6 +330,11 @@ HashTable *php_phongo_javascript_get_properties(zval *object TSRMLS_DC) /* {{{ *
 			}
 
 			zval_ptr_dtor(&state.zchild);
+		} else {
+			zval scope;
+
+			ZVAL_NULL(&scope);
+			zend_hash_str_update(props, "scope", sizeof("scope")-1, &scope);
 		}
 	}
 #else
@@ -355,6 +360,12 @@ HashTable *php_phongo_javascript_get_properties(zval *object TSRMLS_DC) /* {{{ *
 			}
 
 			zval_ptr_dtor(&state.zchild);
+		} else {
+			zval *scope;
+
+			MAKE_STD_ZVAL(scope);
+			ZVAL_NULL(scope);
+			zend_hash_update(props, "scope", sizeof("scope"), &scope, sizeof(scope), NULL);
 		}
 	}
 #endif

tests/bson/bson-javascript-serialization-001.phpt

@@ -26,11 +26,15 @@ foreach ($tests as $test) {
 object(MongoDB\BSON\Javascript)#%d (%d) {
   ["code"]=>
   string(33) "function foo(bar) { return bar; }"
+  ["scope"]=>
+  NULL
 }
-string(87) "O:23:"MongoDB\BSON\Javascript":1:{s:4:"code";s:33:"function foo(bar) { return bar; }";}"
+string(101) "O:23:"MongoDB\BSON\Javascript":2:{s:4:"code";s:33:"function foo(bar) { return bar; }";s:5:"scope";N;}"
 object(MongoDB\BSON\Javascript)#%d (%d) {
   ["code"]=>
   string(33) "function foo(bar) { return bar; }"
+  ["scope"]=>
+  NULL
 }
 
 object(MongoDB\BSON\Javascript)#%d (%d) {

tests/bson/bson-javascript-set_state-001.phpt

@@ -32,6 +32,7 @@ echo "\n\n";
 --EXPECTF--
 MongoDB\BSON\Javascript::__set_state(array(
    'code' => 'function foo(bar) { return bar; }',
+   'scope' => NULL,
 ))
 
 MongoDB\BSON\Javascript::__set_state(array(
@@ -62,6 +63,7 @@ MongoDB\BSON\Javascript::__set_state(array(
 
 MongoDB\BSON\Javascript::__set_state(array(
    'code' => 'function foo(bar) { return bar; }',
+   'scope' => NULL,
 ))
 
 ===DONE===