- print_r: documentation ( source)
- filter_var_array: documentation ( source)
<?php
$data = [
'rows' => [
[
'a' => 'A',
'b' => 'B',
'c' => 'C',
],
[
'a' => 'A',
'b' => 'B',
'c' => 'C',
],
'XYZ'
],
];
print_r( filter_var_array($data, ['rows' => [ 'filter' => FILTER_FORCE_ARRAY, 'flags' => FILTER_FORCE_ARRAY ] ]) );