- var_dump: documentation ( source)
- var_export: documentation ( source)
- explode: documentation ( source)
<?php
$tests = [null, 0, '0', '', 'a', 'b,c,d', '1,2,3,4'];
foreach ($tests as $test) {
var_dump($test);
echo " -> \n";
var_export(explode(',', $test));
echo "\n---\n";
}