Weblabor

<?php
if(isset($_POST['submit'])) 
{
	$users = explode(",", $_POST['name']);
	$find  = mysql_query("SELECT user_id, username FROM register WHERE username IN('". implode ("', '", $users) ."')");
    	
	mysql_query("INSERT INTO messages (id, subiect, message, send_date) VALUES (0, '".$_POST['subiect']."', '".$_POST['mesaj']."', NOW())"); 
	$messages_id = mysql_insert_id();
	
	while ($row = mysql_fetch_array($find)) 
	{	
		mysql_query("INSERT INTO pm (id, msg_id, fromuserid, fromusername, touserid, folderid, messageread) VALUES (0, '".$messages_id."', '".$_SESSION['uid']."', '".$_SESSION['username']."', '".$row['user_id']."', '0', 'no')") or die(mysql_error());	
		$pm_id = mysql_insert_id();
	
		if (isset($_FILES['file']['tmp_name']) && $_FILES['file']['tmp_name']) 
		{
				foreach ($_FILES["file"]["name"] as $key => $name) 
				{
					$rand = substr(md5( time() . $_FILES['file']['name'][$key]), 0, 15);
					$target = "/home2/devfirst/files/"; 
					$target = $target . $rand;

					if(move_uploaded_file($_FILES['file']['tmp_name'][$key], $target)) 
					{
					mysql_query("INSERT INTO files (id, name, newname, size, type) VALUES (0, '".$_FILES['file']['name'][$key]."', '".$rand."', '".$_FILES['file']['size'][$key]."', '".$_FILES['fisier']['type'][$key]."')") or die(mysql_error()); 
					print mysql_insert_id();		
					}
				}
					mysql_query("INSERT INTO files_parent (id, pmid, filesid, fromuserid) VALUES (0, '".$pm_id."', '".$files_id."', '".$_SESSION['uid']."')") or die(mysql_error()); 	
		}
	}

}	
?>

function torles($fajl) {
      unlink($fajl);
}

if ( ($fajl_type == "text/plain") or ($fajl_type == "application/vnd.ms-excel") ) {
	move_uploaded_file ( "$fajl", "$feltoltes_konyvtar/$fajl_name") or die ("A fájlt ( $fajl ) nem lehet feltölteni!");
}