[php-src] master: Add regression tests for `ReflectionEnum::__toString()` with null bytes

Author: Daniel Scherzer (DanielEScherzer)
Date: 2026-07-14T06:36:32-07:00

Commit: https://github.com/php/php-src/commit/0fca39de812864a4262c1734143cafdd0efdd399
Raw diff: https://github.com/php/php-src/commit/0fca39de812864a4262c1734143cafdd0efdd399.diff

Add regression tests for `ReflectionEnum::__toString()` with null bytes

So that when the output is fixed the changes can be confirmed in tests

Changed paths:
  A  ext/reflection/tests/gh22681/ReflectionEnum_backed_value.phpt


Diff:

diff --git a/ext/reflection/tests/gh22681/ReflectionEnum_backed_value.phpt b/ext/reflection/tests/gh22681/ReflectionEnum_backed_value.phpt
new file mode 100644
index 000000000000..8131a3adafed
--- /dev/null
+++ b/ext/reflection/tests/gh22681/ReflectionEnum_backed_value.phpt
@@ -0,0 +1,61 @@
+--TEST--
+GH-22681: null bytes in backed value truncate ReflectionEnum::__toString()
+--FILE--
+<?php
+
+enum Demo: string {
+	case DEMO = "F\0oo";
+}
+
+$r = new ReflectionEnum(Demo::class);
+echo $r;
+var_dump( new ReflectionEnumBackedCase(Demo::class, 'DEMO')->getBackingValue() );
+?>
+--EXPECTF--
+Enum [ <user> enum Demo: string implements UnitEnum, BackedEnum ] {
+  @@ %s %d-%d
+
+  - Enum cases [1] {
+    Case DEMO = F
+  }
+
+  - Constants [0] {
+  }
+
+  - Static properties [0] {
+  }
+
+  - Static methods [3] {
+    Method [ <internal, prototype UnitEnum> static public method cases ] {
+
+      - Parameters [0] {
+      }
+      - Return [ array ]
+    }
+
+    Method [ <internal, prototype BackedEnum> static public method from ] {
+
+      - Parameters [1] {
+        Parameter #0 [ <required> string|int $value ]
+      }
+      - Return [ static ]
+    }
+
+    Method [ <internal, prototype BackedEnum> static public method tryFrom ] {
+
+      - Parameters [1] {
+        Parameter #0 [ <required> string|int $value ]
+      }
+      - Return [ ?static ]
+    }
+  }
+
+  - Properties [2] {
+    Property [ public protected(set) readonly string $name ]
+    Property [ public protected(set) readonly string $value ]
+  }
+
+  - Methods [0] {
+  }
+}
+string(4) "F%0oo"