Add (th, st, nd, rd, th) to the end of a number

function.ordinal.php

<?php
function ordinal($cdnl){ 
    $test_c = abs($cdnl) % 10; 
    $ext = ((abs($cdnl) %100 < 21 && abs($cdnl) %100 > 4) ? 'th' 
        : (($test_c < 4) ? ($test_c < 3) ? ($test_c < 2) ? ($test_c < 1) 
            ? 'th' : 'st' : 'nd' : 'rd' : 'th')); 
    return $cdnl.$ext; 
}
for($i=1;$i<100;$i++){
    echo ordinal($i);
    echo "\n";
}
?>