A simple API I made to fetch information regarding a CS:GO server

server.php

<?php
        require __DIR__ . '/../SourceQuery/bootstrap.php';
        use xPaw\SourceQuery\SourceQuery;

        header("content-type: text/html; charset=utf-8");

        if (!isset($_GET['ip']) OR !isset($_GET['port'])) {
                try {
                        throw new InvalidArgumentException("'ip' and 'port' are                                                                              a required argument!");
                } catch (Exception $e) {
                        echo $e->GetMessage();
                }

        } else {

                $Query = new SourceQuery( );

                try {
                        $Query->Connect( $_GET['ip'], $_GET['port'], 1, SourceQu                                                                             ery::SOURCE );

                        $info = $Query->GetInfo( );
                        $players = $Query->GetPlayers( );

                        //getPlayerCount=1 - Gets Player count minus Bot count
                        if ($_GET['getPlayerCount']=='1') {
                                $count = $info['Players'] - $info['Bots'];
                                echo $count;

                        //getAllPlayerCount=1 - Gets raw Player count
                        } elseif ($_GET['getAllPlayerCount']=='1') {
                                $countRaw = $info['Players'];
                                echo $countRaw;

                        //getPlayers=1 - Returns Player information
                        } elseif ($_GET['getPlayers']=='1') {
                                $json_players = json_encode($players, JSON_PRETT                                                                             Y_PRINT|JSON_UNESCAPED_UNICODE|JSON_UNESCAPED_SLASHES);
                                echo "<pre>$json_players</pre>";

                        //getInfo=1 - Returns server information
                        } elseif ($_GET['getInfo']=='1') {
                                $json_info = json_encode($info, JSON_PRETTY_PRIN                                                                             T);
                                echo "<pre>$json_info</pre>";

                        } elseif ($_GET['getInfoRaw']=='1') {
                                print_r($info);

                        } elseif ($_GET['getPlayersRaw']=='1') {
                                print_r($players);

                        //Returns everything
                        } else {
                                $json_players = json_encode($info, JSON_PRETTY_P                                                                             RINT);
                                echo "<pre>$json_players</pre>";
                                $json_info = json_encode($players, JSON_PRETTY_P                                                                             RINT|JSON_UNESCAPED_UNICODE|JSON_UNESCAPED_SLASHES);
                                echo "<pre>$json_info</pre>";
                        }

                } catch (Exception $e) {
                        echo $e->GetMessage();
                } finally {
                        $Query->Disconnect();
                }
        }

?>