socket file sender

<?php
const SERVER_IP = "0.0.0.0"; //change to your server's IP or else it will fail to bind the socket
const FILE_NAME = "Tesseract.sprx"; //change to the relative file location for the file you want to transfer
$socket = socket_create(AF_INET, SOCK_STREAM, SOL_TCP);
socket_bind($socket, SERVER_IP, 6969);

socket_listen($socket);

while (true) {
    $client = socket_accept($socket);

    $file = file_get_contents(FILE_NAME);
    socket_write($client, $file);
    //echo "successfully sent " . filesize(FILE_NAME) . " bytes to client\n";

    socket_close($client);
}
socket_close($socket);