Open Internet or Unix domain socket connection with UDP in PHP
Description
The following code shows how to open Internet or Unix domain socket connection with UDP.
Example
//from www.j a v a 2 s . c om
//retrieve the day and time from the
//UDP service "daytime" (port 13) in your own machine.
<?php
$fp = fsockopen("udp://127.0.0.1", 13, $errno, $errstr);
if (!$fp) {
echo "ERROR: $errno - $errstr<br />\n";
} else {
fwrite($fp, "\n");
echo fread($fp, 26);
fclose($fp);
}
?>
The code above generates the following result.
