Begin work on fixing mentions.

client/thread.php

@@ -1,4 +1,13 @@
 <?php
+	function lookup($match) {
+		$data = $thread["data"];
+		$usermap = $thread["usermap"];
+		$postnum = $match[1];
+		if ($postnum==0) {
+			return ">>OP";
+		}
+		return ">>".$postnum.$usermap[$data["messages"][$postnum]["author"]]["user_name"];
+	}
 	foreach($thread["data"]["messages"] as $message) {
 		$username = $thread["usermap"][$message["author"]]["user_name"];
 		$time = round($message['created']);
@@ -7,7 +16,8 @@
 		echo "\t\t<div class='well' id='post{$message["post_id"]}'>".PHP_EOL;
 		echo "\t\t\t<p>&gt;{$message['post_id']} {$username} @ {$time}</p>".PHP_EOL;
 		echo "\t\t\t<pre>";
-		echo str_replace(">>0",">>OP",$message["body"]).PHP_EOL;
+//		echo str_replace(">>0",">>OP",$message["body"]).PHP_EOL;
+		echo preg_replace_callback("/>>(\d+)/",'lookup',$message["body"]).PHP_EOL;
 		echo "</pre>".PHP_EOL;
 		echo "\t\t</div>".PHP_EOL;
 	}