diff -up php-5.2.17/ext/standard/file.c.bug-52624 php-5.2.17/ext/standard/file.c
--- php-5.2.17/ext/standard/file.c.bug-52624	2012-01-12 11:20:05.000000000 +0700
+++ php-5.2.17/ext/standard/file.c	2012-01-12 11:21:32.000000000 +0700
@@ -842,7 +842,7 @@ PHP_FUNCTION(tempnam)
 		p[63] = '\0';
 	}
 
-	if ((fd = php_open_temporary_fd(d, p, &opened_path TSRMLS_CC)) >= 0) {
+	if ((fd = php_open_temporary_fd_ex(d, p, &opened_path,1 TSRMLS_CC)) >= 0) {
 		close(fd);
 		RETVAL_STRING(opened_path, 0);
 	} else {