asort explode

<?php
error_reporting(0);
// list formar num a|num b|num c
$file = file_get_contents("list.txt");
$file = explode("\r\n", $file);
foreach ($file as $key => $num) {
    $num = explode("|", $num);
    $tmp[] =  $num[2];
    $crd[] =  $num[0]."|".$num[1];
}
asort($tmp);
foreach ($tmp as $key => $is) {
    echo $crd[$key]." | Saldo ".number_format($is,0,',','.')."\r\n";
}