<?php
#get friends
$kack = "1";
$query = $conn->prepare('SELECT * FROM '.$tb['conre'].' WHERE '.$cr['to'].' = :id OR '.$cr['from'].' = :id AND '.$cr['state'].' = :state ');
$query->execute(array(
    ':id' => $user_id,
    ':state' => $kack
));
$result = $query->fetchAll();
if ( count($result) ){

    #for each friend
    foreach($result as $row){

        echo "Freundschaft : ".$row[$cr['to']]." + ".$row[$cr['from']];
        $query = $conn->prepare('SELECT * FROM '.$tb['feed'].' WHERE '.$feed['user'].' = :id AND '.$feed['about'].' = :id2 OR '.$feed['about'].' = :id AND '.$feed['user'].' = :id2 ORDER BY '.$feed['time'].' DESC ');
        $query->execute(array(
            ':id' => $row[$cr['to']],
            ':id2' => $row[$cr['from']]
        ));
        $result = $query->fetchAll();
        if ( count($result) ){
            #for each new friendship
            foreach($result as $row) {

[..........]