===description===
possiblyInvalidArgument
===file===
<?php
                    $foo = [
                        "a",
                        ["b"],
                    ];

                    $a = array_map(
                        function (string $uuid): string {
                            return $uuid;
                        },
                        $foo[rand(0, 1)]
                    );
===expect===
PossiblyInvalidArgument
===ignore===
TODO
