ext/sysvshm: shm_detach() always returns true

Author: Girgias

UPGRADING

@@ -384,6 +384,9 @@ PHP 8.5 UPGRADE NOTES
   . socket_set_option with multicast context throws a ValueError
     when the created socket is not of AF_INET/AF_INET6 family.
 
+- SysVSHM:
+  . shm_detach() now has a return type of true
+
 - Tidy:
   . tidy::__construct/parseFile/parseString now throws a ValueError
     if the configuration contains an invalid or set a read-only

ext/sysvshm/sysvshm.stub.php

@@ -12,7 +12,7 @@ final class SysvSharedMemory
 
 function shm_attach(int $key, ?int $size = null, int $permissions = 0666): SysvSharedMemory|false {}
 
-function shm_detach(SysvSharedMemory $shm): bool {}
+function shm_detach(SysvSharedMemory $shm): true {}
 
 function shm_has_var(SysvSharedMemory $shm, int $key): bool {}