11 08 2015

39. 添加 th,st,nd 或者 rd 作为数字的后缀

Friday the 13th

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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;
}

语法:

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<?php
$number = 10;
echo ordinal($number); //output is 10th
?>
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