From: Antony Dovgal <tony2001@php.net>
Date: Wed, 6 Jun 2007 11:57:24 +0000 (+0000)
Subject: minor optimization - make sure the objects are not the same instance before we start... 
X-Git-Tag: BEFORE_IMPORT_OF_MYSQLND~512
X-Git-Url: https://granicus.if.org/sourcecode?a=commitdiff_plain;h=a0ab81a4da7069fe181e72ebdea00c17bff3c198;p=php

minor optimization - make sure the objects are not the same instance before we start comparing their properties
---

diff --git a/Zend/zend_operators.c b/Zend/zend_operators.c
index c173e4ea04..acecc56109 100644
--- a/Zend/zend_operators.c
+++ b/Zend/zend_operators.c
@@ -1947,6 +1947,11 @@ ZEND_API int compare_function(zval *result, zval *op1, zval *op2 TSRMLS_DC)
 
 	/* If both are objects sharing the same comparision handler then use is */
 	if (eq_comp) {
+		if (Z_OBJ_HANDLE_P(op1) == Z_OBJ_HANDLE_P(op2)) {
+			/* object handles are identical, apprently this is the same object */
+			ZVAL_LONG(result, 0);
+			COMPARE_RETURN_AND_FREE(SUCCESS);
+		}
 		ZVAL_LONG(result, Z_OBJ_HT_P(op1)->compare_objects(op1, op2 TSRMLS_CC));
 		COMPARE_RETURN_AND_FREE(SUCCESS);
 	}