- var_dump: documentation ( source)
- unserialize: documentation ( source)
<?php
$rel_path = '/var/foo/bar/etc.doc';
$attachments = unserialize(NULL);
$attachments[] = $rel_path;
var_dump($attachments);
$currentAttachments = unserialize($attachments);
foreach ($currentAttachments as $file) {
var_dump($file);
}