if ( defined( 'MW_NO_SESSION' ) ) {
// If the entry point wants no session, force 'disable' here unless they
// specifically set it to the (undocumented) 'warn'.
+ // @phan-suppress-next-line PhanUndeclaredConstant
$wgPHPSessionHandling = MW_NO_SESSION === 'warn' ? 'warn' : 'disable';
}