how can convert $files contain to array?

Question

How do I solve this error?

A PHP Error was encountered
Severity: Warning
Message: Invalid argument supplied for foreach()
Filename: admin/tour.php
Line Numbe         


        

Answer 1

Are you sure that you get an array? is see several return FALSE. So you should check,

if ($files !== FALSE)

or casting it to an (empty) array (if false returns) with

$files = (array) $this->multi_upload->go_upload();