Quote and Join
<?php
$names = ["Donald Duck","Mickey Mouse"];
$joined = join(",", array_map(function($e) { return "'$e'"; }, $names));
echo $joined;
?>
INFO
<?php
$names = ["Donald Duck","Mickey Mouse"];
$joined = join(",", array_map(function($e) { return "'$e'"; }, $names));
echo $joined;
?>