PHP - ADD TH,ST,ND OR RD TO THE END OF A NUMBER

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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; }

Syntax

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