just experimantal

proxy.php

<?php

class ProxyRouterException extends Exception {}

class ProxyRouter {

    public $url;

    public function __construct($url) {
        $this->url = $this->_control_url($url);
    }

    public function get() {
        return file_get_contents($this->url);
    }

    private function _control_url($url) {
        if(filter_var($url, FILTER_VALIDATE_URL) === FALSE) {
            throw new ProxyRouterException("invalid url.");
        }
        
        return $url;
    }

}

try {
    $proxy = new ProxyRouter("http://www.emreyilmaz.me");
    echo $proxy->get();
} catch (ProxyRouterException $e) {
    echo $e;
}