MFH Add PHP_JSON_FORCE_OBJECT for forcing an object output of an array

ext/json/json.c

@@ -41,6 +41,7 @@ static const char digits[] = "0123456789abcdef";
 #define PHP_JSON_HEX_AMP	(1<<1)
 #define PHP_JSON_HEX_APOS	(1<<2)
 #define PHP_JSON_HEX_QUOT	(1<<3)
+#define PHP_JSON_FORCE_OBJECT	(1<<4)
 
 ZEND_DECLARE_MODULE_GLOBALS(json)
 
@@ -75,6 +76,7 @@ static PHP_MINIT_FUNCTION(json)
 	REGISTER_LONG_CONSTANT("JSON_HEX_AMP",  PHP_JSON_HEX_AMP,  CONST_CS | CONST_PERSISTENT);
 	REGISTER_LONG_CONSTANT("JSON_HEX_APOS", PHP_JSON_HEX_APOS, CONST_CS | CONST_PERSISTENT);
 	REGISTER_LONG_CONSTANT("JSON_HEX_QUOT", PHP_JSON_HEX_QUOT, CONST_CS | CONST_PERSISTENT);
+	REGISTER_LONG_CONSTANT("JSON_FORCE_OBJECT", PHP_JSON_FORCE_OBJECT, CONST_CS | CONST_PERSISTENT);
 
 	REGISTER_LONG_CONSTANT("JSON_ERROR_NONE", PHP_JSON_ERROR_NONE, CONST_CS | CONST_PERSISTENT);
 	REGISTER_LONG_CONSTANT("JSON_ERROR_DEPTH", PHP_JSON_ERROR_DEPTH, CONST_CS | CONST_PERSISTENT);
@@ -174,7 +176,7 @@ static void json_encode_array(smart_str *buf, zval **val, int options TSRMLS_DC)
 
 	if (Z_TYPE_PP(val) == IS_ARRAY) {
 		myht = HASH_OF(*val);
-		r = json_determine_array_type(val TSRMLS_CC);
+		r = (options & PHP_JSON_FORCE_OBJECT) ? 1 : json_determine_array_type(val TSRMLS_CC);
 	} else {
 		myht = Z_OBJPROP_PP(val);
 		r = 1;

ext/json/tests/002.phpt

@@ -8,8 +8,14 @@ json_encode() tests
 var_dump(json_encode(""));
 var_dump(json_encode(NULL));
 var_dump(json_encode(TRUE));
+
 var_dump(json_encode(array(""=>"")));
 var_dump(json_encode(array(array(1))));
+var_dump(json_encode(array()));
+
+var_dump(json_encode(array(""=>""), JSON_FORCE_OBJECT));
+var_dump(json_encode(array(array(1)), JSON_FORCE_OBJECT));
+var_dump(json_encode(array(), JSON_FORCE_OBJECT));
 
 var_dump(json_encode(1));
 var_dump(json_encode("руссиш"));
@@ -23,6 +29,10 @@ string(4) "null"
 string(4) "true"
 string(7) "{"":""}"
 string(5) "[[1]]"
+string(2) "[]"
+string(7) "{"":""}"
+string(13) "{"0":{"0":1}}"
+string(2) "{}"
 string(1) "1"
 string(38) ""\u0440\u0443\u0441\u0441\u0438\u0448""
 Done