From: Tyson Andre <tysonandre775@hotmail.com>
Date: Thu, 7 May 2020 13:14:15 +0000 (-0400)
Subject: Evaluate str_starts_with and str_ends_with on constants
X-Git-Url: https://granicus.if.org/sourcecode?a=commitdiff_plain;h=9f8f84adbca9d29cf573e7b8216e60e0251bd5af;p=php

Evaluate str_starts_with and str_ends_with on constants

When both arguments are strings,
this is guaranteed not to emit notices.

Closes GH-5539
---

diff --git a/ext/opcache/Optimizer/sccp.c b/ext/opcache/Optimizer/sccp.c
index adea218778..187a69c79f 100644
--- a/ext/opcache/Optimizer/sccp.c
+++ b/ext/opcache/Optimizer/sccp.c
@@ -955,6 +955,8 @@ static inline int ct_eval_func_call(
 			/* pass */
 		} else if (zend_string_equals_literal(name, "strpos")
 				|| zend_string_equals_literal(name, "str_contains")
+				|| zend_string_equals_literal(name, "str_starts_with")
+				|| zend_string_equals_literal(name, "str_ends_with")
 				|| zend_string_equals_literal(name, "version_compare")) {
 			if (Z_TYPE_P(args[0]) != IS_STRING
 					|| Z_TYPE_P(args[1]) != IS_STRING) {