- print_r: documentation ( source)
- str_split: documentation ( source)
<?php
$dxPointers = '124';
if (!is_array($dxPointers)) {
$dxPointers = (string)$dxPointers === '' ? [] : str_split($dxPointers);
}
print_r($dxPointers);
print_r((array) $dxPointers);