- Re-fix stream_is_local() memory leaks

NEWS

@@ -6,6 +6,7 @@ PHP                                                                        NEWS
 - Fixed open_basedir circumvention for mail.log. (Maksymilian Arciemowicz,
   Stas)
 - Fixed signature generation/validation for zip archives in ext/phar. (Greg)
+- Fixed memory leak in stream_is_local(). (Felipe)
 
 - Fixed bug #49132 (posix_times returns false without error).
   (phpbugs at gunnu dot us)

ext/standard/streamsfuncs.c

@@ -1463,8 +1463,17 @@ PHP_FUNCTION(stream_is_local)
 		}
 		wrapper = stream->wrapper;
 	} else {
-		convert_to_string_ex(&zstream);
-		wrapper = php_stream_locate_url_wrapper(Z_STRVAL_P(zstream), NULL, 0 TSRMLS_CC);
+		zval *copy_tmp;
+		
+		ALLOC_ZVAL(copy_tmp);
+		*copy_tmp = *zstream;
+		zval_copy_ctor(copy_tmp);
+		INIT_PZVAL(copy_tmp);
+		convert_to_string(copy_tmp);
+		
+		wrapper = php_stream_locate_url_wrapper(Z_STRVAL_P(copy_tmp), NULL, 0 TSRMLS_CC);
+		
+		zval_ptr_dtor(&copy_tmp);
 	}
 
 	if(!wrapper) {

ext/standard/tests/streams/stream_is_local.phpt

@@ -0,0 +1,17 @@
+--TEST--
+Testing stream_is_local()
+--FILE--
+<?php
+
+$a = 1;
+$b = $a;
+var_dump(stream_is_local($b));
+var_dump($b);
+
+var_dump(stream_is_local(fopen(__FILE__, 'r')));
+
+?>
+--EXPECT--
+bool(true)
+int(1)
+bool(true)