Online PHP editor | output for 8SAEs

<?php $mediaArray ='Facebook,Twitter,Twitch,'; $otherMedia = 'House'; //convert string to array $socialArray = explode(',', $mediaArray); //declare some variables to be used later $andwhere = ''; $bp = ''; $socialmarray = ''; //get every value from array of social media foreach($socialArray as $socialmedia){ $socialmarray .=$socialmedia.','; $andwhere .= " AND socialmedianame=?"; $bp .='s'; } //test strings $wheres = $andwhere;//AND socialmedianame=? AND socialmedianame=? AND socialmedianame=? $bip = $bp.'s';//ssss $validarayy = rtrim($socialmarray,','); //Facebook,Twitter,Twitch $socialmarray2 = explode(',', $validarayy); var_dump($socialmarray2);