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Price without decimals unless necessary

/ Published in: PHP
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Will strip off the decimals of a number (price) unless they are necessary.

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  1. <?php
  2. 	// price(15)	returns $15
  3. 	// price(14.95)	returns $14.95
  4.  
  5. 	function price($price, $decimals=null, $sign='$') {
  6. 		$price = (float) str_replace($sign, '', $price);	// Make sure price is float
  7.  
  8. 		if ($decimals !== null) {
  9. 			if (is_numeric($decimals)) {
  10. 				return $sign.number_format($price, $decimals);
  11. 			} else {
  12. 				return $sign.number_format($price, 2);
  13. 			}
  14. 		}
  15.  
  16. 		if (round($price) == $price) {
  17. 			return $sign.$price;
  18. 		} else {
  19. 			return $sign.number_format($price,2);
  20. 		}
  21. 	}
  22. ?>

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