Fix unsupported short hand array for PHP 5.3

Author: zachborboa

examples/multi_curl_get_load_test.php

@@ -4,7 +4,7 @@
 use \Curl\MultiCurl;
 
 $server_count = 10;
-$urls = [];
+$urls = array();
 $port = 8000;
 for ($i = 0; $i < $server_count; $i++) {
     $port += 1;