===description===
literalStringAsIntArrayKey
===file===
<?php
                    class a {
                        private const REDIRECTS = [
                            "a" => [
                                "from" => "79268724911",
                                "to" => "74950235931",
                            ],
                            "b" => [
                                "from" => "79313044964",
                                "to" => "78124169167",
                            ],
                        ];

                        private const SIP_FORMAT = "sip:%s@voip.test.com:9090";

                        /** @return array<string, string> */
                        public function test(): array {
                            $redirects = [];
                            foreach (self::REDIRECTS as $redirect) {
                                $redirects[$redirect["from"]] = sprintf(self::SIP_FORMAT, $redirect["to"]);
                            }

                            return $redirects;
                        }
                    }
===expect===
InvalidReturnStatement
===ignore===
TODO
