<?php $input='46.9'; $floor=floor($input); $tens=round($input,-1); echo $floor; echo $tens; $array = array( '0', '20a' => '0-20', '50a' => '20-50', '100a' => '50-100', '200a' => '100-200', '500a' => '200-500', ); print_r($array);
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