From: Dmitry Stogov <dmitry@zend.com>
Date: Mon, 20 Nov 2017 09:38:31 +0000 (+0300)
Subject: Optimized zend_is_true() for objects (in most cases, it doesn't need to call the... 
X-Git-Tag: php-7.3.0alpha1~986
X-Git-Url: https://granicus.if.org/sourcecode?a=commitdiff_plain;h=efa4d8d3acead0cf21315f57ac2da1a08efa86ab;p=php

Optimized zend_is_true() for objects (in most cases, it doesn't need to call the conversion handler).
---

diff --git a/Zend/zend_operators.h b/Zend/zend_operators.h
index 913ab710c4..366fa1ed5e 100644
--- a/Zend/zend_operators.h
+++ b/Zend/zend_operators.h
@@ -38,6 +38,7 @@
 #include "zend_portability.h"
 #include "zend_strtod.h"
 #include "zend_multiply.h"
+#include "zend_object_handlers.h"
 
 #define LONG_SIGN_MASK (((zend_long)1) << (8*sizeof(zend_long)-1))
 
@@ -335,7 +336,11 @@ again:
 			}
 			break;
 		case IS_OBJECT:
-			result = zend_object_is_true(op);
+			if (EXPECTED(Z_OBJ_HT_P(op)->cast_object == zend_std_cast_object_tostring)) {
+				result = 1;
+			} else {
+				result = zend_object_is_true(op);
+			}
 			break;
 		case IS_RESOURCE:
 			if (EXPECTED(Z_RES_HANDLE_P(op))) {