- print_r: documentation ( source)
- explode: documentation ( source)
<?php
$data = "39X3,29X5";
$out = array();
foreach(explode(",", $data) as $key=>$item){
$exp = explode('X', $item);
$out[$key] = [
'number' => $exp[0],
'prize' => $exp[1]
];
}
print_r($out);