diff --git a/src/entryPoint.php b/src/entryPoint.php
index 4eea49f..c1d1184 100644
--- a/src/entryPoint.php
+++ b/src/entryPoint.php
@@ -1,2 +1,16 @@
 <?php
-    echo "Hello world of PHP CLI!";
+
+// Placeholder Globals
+$userid = 0;
+$room_lang = "th";
+$is_admin = false;
+define("BLUE_ROOM", 12345);
+define("RED_ROOM", 67890);
+define("INTER_ROOM", 111213);
+
+// randomorg($start,$end);
+
+function reply_user($room_id, $msgid, $message)
+{
+    return $msgid;
+}
\ No newline at end of file
diff --git a/src/repl.php b/src/repl.php
new file mode 100644
index 0000000..240634a
--- /dev/null
+++ b/src/repl.php
@@ -0,0 +1,17 @@
+<?php
+require 'entryPoint.php';
+if(!defined("STDIN")) {
+    define("STDIN", fopen('php://stdin','r'));
+}
+
+$room_id = BLUE_ROOM;
+$msg_id = 0;
+
+echo "Starting test REPL\n";
+do {
+    $input = fread(STDIN, 80); // Read up to 80 characters or a newline
+    $trimmed = trim($input);
+
+    echo '> ' , reply_user($room_id, $msg_id, $trimmed) , "\n";
+    $msg_id++;
+} while($trimmed !== "exit");
\ No newline at end of file