php read data from text.txt #php

///
a|b|c|d|e|f|g|h|i\n
a2|b2|c2|d2|e2|f2|g2|h2|i2\n
////
foreach(file('data.dat') AS $row) {
  $datas[] = explode('|', $row);
}
print_r($datas);

or

$file="person.txt";
    foreach(file($file) AS $row) {
         $arr = explode('|', $row);
         $arr_num = count($arr);
         for ($j=0; $j < $arr_num; $j++) {
              echo "$arr[$j] ";
         }
         echo "<br>";
     }