Add simple and complete client to PHP

examples/PHP/Client_Simple.php

@@ -0,0 +1,49 @@
+<?php
+/**
+ *  Configuration
+ */
+$relayEDDN              = 'tcp://eddn-relay.elite-markets.net:9500';
+$timeoutEDDN            = 600000;
+
+
+
+/**
+ * START
+ */
+$context    = new ZMQContext();
+$subscriber = $context->getSocket(ZMQ::SOCKET_SUB);
+
+$subscriber->setSockOpt(ZMQ::SOCKOPT_SUBSCRIBE, "");
+$subscriber->setSockOpt(ZMQ::SOCKOPT_RCVTIMEO, $timeoutEDDN);
+
+while (true)
+{
+    try
+    {
+        $subscriber->connect($relayEDDN);
+        
+        while (true)
+        {
+            $message = $subscriber->recv();
+            
+            if ($message === false)
+            {
+                $subscriber->disconnect($relayEDDN);
+                break;
+            }
+            
+            $message    = zlib_decode($message);
+            $json      = json_decode($message, true);
+            
+            fwrite(STDOUT, $json . PHP_EOL);
+        }
+    }
+    catch (ZMQSocketException $e)
+    {
+        fwrite(STDOUT, 'ZMQSocketException: ' . $e . PHP_EOL);
+        sleep(10);
+    }
+}
+
+// Exit correctly
+exit(0);