Created
February 17, 2021 22:27
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Volume of a bag
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| <?php | |
| // calcBagVolume() - Calculate the volume of a bag or satcel. Provide the width/height dimensions in cms and get the volume in litres | |
| function calcBagVolume($length,$width) { | |
| // https://mathworld.wolfram.com/PaperBagSurface.html | |
| $volume = pow($width,3) * ( ( $length / (pi() * $width) ) - ( 0.142 * ( 1 - (pow(10,(0-($length/$width)) ) ) ) ) ); | |
| $litres = $volume / 1000; | |
| return $litres; | |
| } | |
| ?> |
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