jschatmsg.php

<?php
session_start();
date_default_timezone_set(Asia/Kolkata);
error_reporting(E_ALL & ~E_NOTICE  &  ~E_STRICT &  ~E_WARNING);
include("dbconnection.php");
$dttime = date("Y-m-d h:i:s");
$dt= date("Y-m-d");
$tim = date("h:i:s");
if(isset($_POST[chatsessionid]))
{
	$stid = $_POST[chatsessionid];
}
$sqlmessage = "SELECT * FROM chat WHERE (student_id1=$_SESSION[student_id] AND student_id2=$stid) OR (student_id2=$_SESSION[student_id] AND student_id1=$stid) ";
$qsqlmessage = mysqli_query($con,$sqlmessage);
$rsmessage = mysqli_fetch_array($qsqlmessage);
$countmsg =mysqli_num_rows($qsqlmessage);
$msgid=$rsmessage[0];
	if($countmsg == 0)
	{
		$sql = "INSERT INTO chat(chat_id,student_id1,student_id2) VALUES($_SESSION[chatid],$_SESSION[student_id],$stid)";
		$qsql = mysqli_query($con,$sql);
		echo mysqli_error($con);	
		$msgid = mysqli_insert_id($con);
	}
	if($_POST[message] != "")
	{
		$msg = mysqli_real_escape_string($con,$_POST[message]);
		$sql = "INSERT INTO chat_message(chat_id,student_id,date,time,message,message_status) VALUES($msgid,$_SESSION[student_id],$dt,$tim,$msg,Active)";
		$qsql = mysqli_query($con,$sql);
		echo mysqli_error($con);
	}
?>
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