wol

<?php

flush();
function wol($addr, $mac,$socket_number)
{
   $addr_byte = explode(':', $mac);
   $hw_addr = '';

   for ($a=0; $a < 6; $a++)
      $hw_addr .= chr(hexdec($addr_byte[$a]));

   $msg = chr(255).chr(255).chr(255).chr(255).chr(255).chr(255);

   for ($a = 1; $a <= 16; $a++)
      $msg .= $hw_addr;

   $s = socket_create(AF_INET, SOCK_DGRAM, SOL_UDP);
   if ($s == false)
   {
      echo "Error creating socket!\n";
      echo "Error code is '".socket_last_error($s)."' - " . socket_strerror(socket_last_error($s));
   }
   else
   {
      $opt_ret = socket_set_option($s, 1, 6, TRUE);
      if($opt_ret < 0)
         echo "setsockopt() failed, error: " . strerror($opt_ret) . "\n";
      $e = socket_sendto($s, $msg, strlen($msg), 0, $addr, $socket_number);
      socket_close($s);
      echo "Magic Packet sent (".$e.") to ".$addr ."\n";
   }
}


?>