Fixed bug #77608

Remove special handling of doubles and escape them as usual instead.

NEWS

@@ -20,6 +20,8 @@ PHP                                                                        NEWS
 - Standard:
   . Fixed bug #77552 (Unintialized php_stream_statbuf in stat functions).
     (John Stevenson)
+  . Fixed bug #77608 (http_build_query doesn't encode "+" in a float number).
+    (Nikita)
 
 07 Feb 2019, PHP 7.2.15
 

ext/standard/http.c

@@ -192,15 +192,6 @@ PHPAPI int php_url_encode_hash_ex(HashTable *ht, smart_str *formstr,
 				case IS_TRUE:
 					smart_str_appendl(formstr, "1", sizeof("1")-1);
 					break;
-				case IS_DOUBLE:
-					{
-						char *ekey;
-					  	size_t ekey_len;
-						ekey_len = spprintf(&ekey, 0, "%.*G", (int) EG(precision), Z_DVAL_P(zdata));
-						smart_str_appendl(formstr, ekey, ekey_len);
-						efree(ekey);
-				  	}
-					break;
 				default:
 					{
 						zend_string *ekey;

ext/standard/tests/strings/bug77608.phpt

@@ -0,0 +1,11 @@
+--TEST--
+Bug #77608: http_build_query doesn't encode "+" in a float number
+--FILE--
+<?php
+
+$a = ["x" => 1E+14, "y" => "1E+14"];
+echo http_build_query($a);
+
+?>
+--EXPECT--
+x=1.0E%2B14&y=1E%2B14