Portal -Pratele

<?php
if(isset($_GET['user_id'])){

$user_id_from = (int)$_SESSION['user_id'];
$user_id_to = (int)$_GET['user_id'];

$sql=mysql_query("SELECT * FROM friends WHERE user_id_from=$user_id_from and user_id_to=$user_id_from") or die (mysql_error());
while($result=mysql_fetch_array($sql)){
$user_id_from1 = $result['user_id_from'];
$user_id_to1 = $result['user_id_to'];
}


$sql1=mysql_query("SELECT * FROM friends WHERE user_id_from=$user_id_to and user_id_to=$user_id_to") or die (mysql_error());
while($result1=mysql_fetch_array($sql1)){
$user_id_from2 = $result1['user_id_from'];
$user_id_to2 = $result1['user_id_to'];
}

$sql2=mysql_query("SELECT * FROM users WHERE user_id=$user_id_to") or die (mysql_error());
$result2=mysql_fetch_array($sql2);

if (!isset($user_id_from1) OR !isset($user_id_to1) AND !isset($user_id_from2) OR !isset($user_id_to2)) {
echo "Priatel Pridany";
}else{
echo "Priatel nepridany";
}

}
?>

Ahojte robim si na mojom malom portaly moznost uzivatelov si dat priatelov no lenze tento script mi nefunguje malo bi to kontrolovat ci uz sa v db nenachadzaju taky priatelia ale niako si mi to nejde

v tabulke friends mam

user_id_from
user_id_to
status
datum

uz sem to vyresil :D