Mass.md

Haste Mass Units

Various classes to handle weighable objects and convert between different mass units. You can either use the Weight object or implement one of the available interfaces.

Supported mass units

The Unit class can measure and convert between several mass units.

Unit	Short name	Constant
Miligram	mg	Unit::MILIGRAM
Gram	g	Unit::GRAM
Kilogram	kg	Unit::KILOGRAM
Metric ton	t	Unit::METRICTON
Carat	c	Unit::CARAT
Ounce	oz	Unit::OUNCE
Pund	lb	Unit::POUND
Stone	st	Unit::STONE
Grain	grain	Unit::GRAIN

Examples

Convert a weight

<?php

echo \Haste\Units\Mass\Unit::convert(
	1,
	\Haste\Units\Mass\Unit::KILOGRAM,
	\Haste\Units\Mass\Unit::POUND
);

Returns 2.20459

Measure weight of multiple object

<?php

$objScale = new Scale();

// Add one kilogram
$objScale->add(new \Haste\Units\Mass\Weight(1, \Haste\Units\Mass\Unit::KILOGRAM));

// Add 500 gram
$objScale->add(new \Haste\Units\Mass\Weight(5000, \Haste\Units\Mass\Unit::MILIGRAM));

echo $objScale->amountIn(\Haste\Units\Mass\Unit::GRAM);

Returns 1005

Add some more to the scale:

<?php

// Add some stones
$objScale->add(new \Haste\Units\Mass\Weight(3, \Haste\Units\Mass\Unit::STONE));

echo $objScale->amountIn(\Haste\Units\Mass\Unit::POUND);

Returns 2257.60776