Mine

<?php	$buffer = null;	$server = stream_socket_server("tcp://0.0.0.0:1230", $errno, $errstr, STREAM_SERVER_BIND|STREAM_SERVER_LISTEN);	do {		echo "waiting.. ";		$client = stream_socket_accept($server);		echo "accepted ".stream_socket_get_name($client, true)."\n";		if($client) {			// while($buffer == '') {				$buffer = fread($client, 128);				// if "ok" is found ANYWHERE in the buffer, output "YAY!"				$pos = strpos($buffer, "ok");				if ($pos === false) {} else {					echo "YAY!";				}								// if buffer equals "ok", echo "Got ok"				if($buffer  == "OK") {					echo "Got ok";				}			// }			echo "<br />";			print_r($buffer);			echo "<br />";				}	} while ($buffer != null || $buffer != "ok");?>