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  1. <?php
  2.  
  3. class NumberQuantifier {
  4. 	protected $quantifierList;
  5.  
  6. 	public function __construct($quantifierList) {
  7. 		$this->quantifierList = $quantifierList;
  8. 		arsort($this->quantifierList);
  9. 	}
  10.  
  11. 	public function quantify($number) {
  12. 		foreach ($this->quantifierList as $symbol => $threshold) {
  13. 			if ($threshold > $number) continue;
  14.  
  15. 			return number_format($number / $threshold, 1) . $symbol;
  16. 		}
  17. 	}
  18. }
  19.  
  20. $metricMassQuantifier = new NumberQuantifier(array(
  21.     'Mg'  => 1000000,    //megagram
  22.     'kg'  => 1000,       //kilogram
  23.     'hg'  => 100,        //hectogram
  24.     'dag' => 10,         //decagram
  25.     'g'   => 1,          //gram
  26.     'dg'  => 1/10,       //decigram
  27.     'cg'  => 1/100,      //centigram
  28.     'mg'  => 1/1000,     //millgram
  29.     'mcg' => 1/10000000  //microgram
  30. ));
  31.  
  32. $imperialMassQuantifier = new NumberQuantifier(array(
  33.     'gr'  => 1/7000, //grain
  34.     'dr'  => 1/256,  //drachm
  35.     'oz'  => 1/16,   //ounce
  36.     'lb'  => 1,      //pound
  37.     'st'  => 14,     //stone
  38.     'qtr' => 28,     //quarter
  39.     'cwt' => 112,    //hundredweight
  40.     't'   => 2240    //ton
  41. ));
  42.  
  43. echo "Metric: {$metricMassQuantifier->quantify(456)} \r\n";
  44. echo "Imperial: {$imperialMassQuantifier->quantify(456)} \r\n";
Success #stdin #stdout 0.01s 20568KB
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Standard input is empty
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Metric: 4.6hg 
Imperial: 4.1cwt
https://ideone.com/asE5fQ
language:
PHP (php 7.3.5)
created:
12 years ago
visibility:
public

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