From ed82368caad95d765c557fdc80e24407bce20504 Mon Sep 17 00:00:00 2001
From: Jorg Sowa <jorg.sowa@gmail.com>
Date: Fri, 30 Oct 2026 20:25:45 +0100
Subject: [PATCH] Fix AST printing of qualified names in name lists

---
 NEWS                                          |  2 +
 .../assert/expect_qualified_name_lists.phpt   | 37 +++++++++++++++++++
 Zend/zend_ast.c                               |  4 +-
 3 files changed, 41 insertions(+), 2 deletions(-)
 create mode 100644 Zend/tests/assert/expect_qualified_name_lists.phpt

diff --git a/NEWS b/NEWS
index 798f849854c1..e7f31fa7e742 100644
--- a/NEWS
+++ b/NEWS
@@ -36,6 +36,8 @@ PHP                                                                        NEWS
     (Marti2203).
   . Fixed bug GH-24989 (Use-after-free in GC when an exception is thrown).
     (David Carlier)
+  . Fixed AST printing dropping fully qualified and namespace-relative prefixes
+    of class names in implements, catch, and trait use lists. (Jorg Sowa)
 
 - CLI:
   . Fixed bug GH-24697 (PHP_HTTP_PARSER_STRICT build option doesn't work).
diff --git a/Zend/tests/assert/expect_qualified_name_lists.phpt b/Zend/tests/assert/expect_qualified_name_lists.phpt
new file mode 100644
index 000000000000..24c54b7bee08
--- /dev/null
+++ b/Zend/tests/assert/expect_qualified_name_lists.phpt
@@ -0,0 +1,37 @@
+--TEST--
+AST printing of fully qualified and namespace-relative names in name lists
+--INI--
+zend.assertions=1
+--FILE--
+<?php
+
+try {
+    assert(false && function () {
+        class C implements \A, namespace\B, C {
+            use \T1, namespace\T2, T3 {
+                \T1::foo insteadof namespace\T2, T3;
+                namespace\T2::foo as bar;
+            }
+        }
+        try {
+        } catch (\E1 | namespace\E2 | E3 $e) {
+        }
+    });
+} catch (AssertionError $e) {
+    echo $e->getMessage(), "\n";
+}
+
+?>
+--EXPECT--
+assert(false && function () {
+    class C implements \A, namespace\B, C {
+        use \T1, namespace\T2, T3 {
+            \T1::foo insteadof namespace\T2, T3;
+            namespace\T2::foo as bar;
+        }
+    }
+
+    try {
+    } catch (\E1|namespace\E2|E3 $e) {
+    }
+})
diff --git a/Zend/zend_ast.c b/Zend/zend_ast.c
index 4e640a321d1f..25612155aa74 100644
--- a/Zend/zend_ast.c
+++ b/Zend/zend_ast.c
@@ -1496,7 +1496,7 @@ static ZEND_COLD void zend_ast_export_name_list_ex(smart_str *str, zend_ast_list
 		if (i != 0) {
 			smart_str_appends(str, separator);
 		}
-		zend_ast_export_name(str, list->child[i], 0, indent);
+		zend_ast_export_ns_name(str, list->child[i], 0, indent);
 		i++;
 	}
 }
@@ -2468,7 +2468,7 @@ static ZEND_COLD void zend_ast_export_ex(smart_str *str, zend_ast *ast, int prio
 			break;
 		case ZEND_AST_METHOD_REFERENCE:
 			if (ast->child[0]) {
-				zend_ast_export_name(str, ast->child[0], 0, indent);
+				zend_ast_export_ns_name(str, ast->child[0], 0, indent);
 				smart_str_appends(str, "::");
 			}
 			zend_ast_export_name(str, ast->child[1], 0, indent);