\n"); $names=preg_split("/[,\n\r\t ]/", $data, -1, PREG_SPLIT_NO_EMPTY); #array_pop($names); # remove empty last item print_r($names); ?>

Enter your guests
<?php foreach ($names as $n) { if (empty($seen[$n])) { echo(trim($n) . "\n"); $seen[$n] = 1; } #else #{ # echo("Skipping $n"); #} } ?>