gistfile1.php

<?php
//http://buyukliev.blogspot.com/2007/08/no-more-socket-trouble-in-php.html
function fullread ($sd, $len) {
  $ret = '';
  $read = 0;

  while ($read < $len && ($buf = fread($sd, $len - $read))) {
    $read += strlen($buf);
    $ret .= $buf;
  }

  return $ret;
}


function fullwrite ($sd, $buf) {
  $total = 0;
  $len = strlen($buf);

  while ($total < $len && ($written = fwrite($sd, $buf))) {
    $total += $written;
    $buf = substr($buf, $written);
  }

  return $total;
}