1 files changed, 1 insertions, 0 deletions
diff --git a/UPGRADING b/UPGRADING
index a398a61cc6..e4f2feccf2 100644
--- a/UPGRADING
+++ b/UPGRADING
@@ -202,6 +202,7 @@ PHP 8.0 UPGRADE NOTES
     string. Previously non-string needles were interpreted as an ASCII code
     point. An explicit call to chr() can be used to restore the previous
     behavior.
+  . The needle argument for strpos(), strrpos(), stripos(), strripos(), strstr() and stristr() can now be empty.
   . The 'salt' option of password_hash() is no longer supported. If the 'salt'
     option is used a warning is generated, the provided salt is ignored, and a
     generated salt is used instead.