Online PHP editor | rfc for JUmHL

@ 2013-09-11T17:04:38Z

<?php
  function tftp_fetch($host, $filename)
  {
    $socket = socket_create(AF_INET, SOCK_DGRAM, SOL_UDP);

    // create the request packet
    $packet = chr(0) . chr(1) . $filename . chr(0) . 'octet' . chr(0);
    // UDP is connectionless, so we just send on it.
    socket_sendto($socket, $packet, strlen($packet), 0x100, $host, 69);

    $buffer = '';
    $port = '';
    $ret = '';
    do
    {
      // $buffer and $port both come back with information for the ack
      // 516 = 4 bytes for the header + 512 bytes of data
      socket_recvfrom($socket, $buffer, 516, 0, $host, $port);

      // add the block number from the data packet to the ack packet
      $packet = chr(0) . chr(4) . substr($buffer, 2, 2);
      // send ack
      socket_sendto($socket, $packet, strlen($packet), 0, $host, $port);

      // append the data to the return variable
      // for large files this function should take a file handle as an arg
      $ret .= substr($buffer, 4);
    }
    while(strlen($buffer) == 516);  // the first non-full packet is the last.
    return $ret;
  }

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2020-03-21 RFC: Is_Literal - declined
2020-12-04 Enumerations - included in PHP 8.1
2018-06-15 Typed Properties v2 - implemented in PHP 7.4
2016-08-12 Object typehint - included in PHP 7.2
2016-08-14 Arrow functions - withdrawn
2016-05-29 array_change_keys() - withdrawn
2016-04-19 Lexical scope support for anonymous classes - suspended
2016-04-17 Functional Interfaces - declined
2016-03-16 Typed Properties - superseded in favor of Typed Properties 2.0
2015-08-27 Callable Prototypes - declined
2015-05-01 Short Closures - declined / withdrawn in favor of Arrow Functions
2015-02-18 Scalar type hints v5 - included in PHP 7
2015-02-14 Union Types - declined
2013-09-22 Anonymous classes - included in PHP 7

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