Online PHP editor | refs for stnNd

<?php $temp_terms = $params_arr["pm_other_terms"]; $temp_terms = "jd, jack, jack, jb, jd"; $temp_terms_arr = explode(",", $temp_terms); pr($temp_terms_arr); array_walk($temp_terms_arr, "trimspace"); echo 123; pr($temp_terms_arr); $u_arr = array_unique($temp_terms_arr); pr($u_arr); $f_arr = array_filter($u_arr); pr($f_arr); $pm_other_terms = implode(", ", $f_arr); echo $pm_other_terms; function trimspace(&$var){ $var = trim($var); }