TeaBag/src/getChatHistory.php

<?php
session_start();
include_once("requestDB.php"); 
if(isset($_POST['message']))
{
	$sql = "INSERT INTO `chat` (`fromuser`, `touser`, `content`, `sendtime`) 
		VALUES ( '"
		.$_POST['fromuser']."','"
		.$_POST['touser']."','"
		.$_POST['message']
		. "',CURRENT_TIMESTAMP)";
	queryw($sql, "teabag");
}



$chatsql = "select * from chat where 
	(touser='" . $_POST['fromuser'] . "' and fromuser='".$_POST['touser']."') or 
	(touser='" . $_POST['touser'] . "' and fromuser='".$_POST['fromuser']."')  ORDER BY sendtime";
$chatdata = query($chatsql,"teabag");
foreach ($chatdata as $chat){

		echo '<a>'.$chat['fromuser']."(".$chat['sendtime']."):</a><br/>".$chat['content']."<br/>";		

}
?>