From 09cb5ad4429913e80b9762aaf39a28a362a424c2 Mon Sep 17 00:00:00 2001
From: Michael Telgmann <mitelg@users.noreply.github.com>
Date: Sat, 27 Dec 2025 12:53:15 +0100
Subject: [PATCH] fix: Allow variadic syntax in PHPDoc parameter annotation in
 `gen_stub.php` (#20342)

Closes #20277

Co-authored-by: Ilija Tovilo <ilija.tovilo@me.com>
---
 build/gen_stub.php | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/build/gen_stub.php b/build/gen_stub.php
index a83c6c13bf8c1..9d6bd2ce3935a 100755
--- a/build/gen_stub.php
+++ b/build/gen_stub.php
@@ -3323,7 +3323,7 @@ public function getType(): string {
         $matches = [];
 
         if ($this->name === "param") {
-            preg_match('/^\s*([\w\|\\\\\[\]<>, ]+)\s*(?:[{(]|\$\w+).*$/', $value, $matches);
+            preg_match('/^\s*([\w\|\\\\\[\]<>, ]+)\s*(?:[{(]|(\.\.\.)?\$\w+).*$/', $value, $matches);
         } elseif ($this->name === "return" || $this->name === "var") {
             preg_match('/^\s*([\w\|\\\\\[\]<>, ]+)/', $value, $matches);
         }
@@ -3345,7 +3345,7 @@ public function getVariableName(): string {
 
         if ($this->name === "param") {
             // Allow for parsing extended types like callable(string):mixed in docblocks
-            preg_match('/^\s*(?<type>[\w\|\\\\]+(?<parens>\((?<inparens>(?:(?&parens)|[^(){}[\]]*+))++\)|\{(?&inparens)\}|\[(?&inparens)\])*+(?::(?&type))?)\s*\$(?<name>\w+).*$/', $value, $matches);
+            preg_match('/^\s*(?<type>[\w\|\\\\]+(?<parens>\((?<inparens>(?:(?&parens)|[^(){}[\]]*+))++\)|\{(?&inparens)\}|\[(?&inparens)\])*+(?::(?&type))?)\s*(\.\.\.)?\$(?<name>\w+).*$/', $value, $matches);
         } elseif ($this->name === "prefer-ref") {
             preg_match('/^\s*\$(?<name>\w+).*$/', $value, $matches);
         }