fix new task and worker files for second php-amqp tutorial

Author: seyfer

php-amqp/new_task.php

@@ -35,6 +35,6 @@
 $exchange = new AMQPExchange($channel);
 $exchange->publish($message, $routing_key);
 
-echo " [x] Sent {$data}", PHP_EOL;
+echo " [x] Sent {$message}", PHP_EOL;
 
 $connection->disconnect();

php-amqp/worker.php

@@ -15,7 +15,7 @@
 
 $callback_func = function(AMQPEnvelope $message, AMQPQueue $q) use (&$max_jobs) {
 	echo " [x] Received: ", $message->getBody(), PHP_EOL;
-	sleep(1);
+	sleep(sleep(substr_count($message->getBody(), '.')));
 	echo " [X] Done", PHP_EOL;
 	$q->ack($message->getDeliveryTag());
 };