ronanchilvers /
utility
| Total Complexity | 10 |
| Total Lines | 83 |
| Duplicated Lines | 0 % |
| Changes | 1 | ||
| Bugs | 0 | Features | 0 |
| 1 | <?php |
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| 10 | class Volume |
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| 11 | { |
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| 12 | /** |
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| 13 | * Calculate the volume of a cuboid |
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| 14 | * |
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| 15 | * Formula: |
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| 16 | * ``` |
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| 17 | * V = w * h * l |
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| 18 | * ``` |
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| 19 | * |
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| 20 | * @param float $height |
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| 21 | * @param float $width |
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| 22 | * @param float $depth |
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| 23 | * @return float |
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| 24 | * @author Ronan Chilvers <[email protected]> |
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| 25 | */ |
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| 26 | static public function cuboid($height, $width, $depth): ?float |
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| 27 | { |
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| 28 | if (0 == (float) $height || 0 == (float) $width || 0 == (float) $depth) |
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| 29 | { |
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| 30 | return null; |
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| 31 | } |
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| 32 | |||
| 33 | return $height * $width * $depth; |
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| 34 | } |
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| 35 | |||
| 36 | /** |
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| 37 | * Calculate the volume of a cylinder |
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| 38 | * |
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| 39 | * Formula: |
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| 40 | * ``` |
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| 41 | * V = π * r2 * h |
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| 42 | * ``` |
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| 43 | * |
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| 44 | * @param float $height |
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| 45 | * @param float $radius |
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| 46 | * @return float |
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| 47 | * @author Ronan Chilvers <[email protected]> |
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| 48 | */ |
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| 49 | static public function cylinder($height, $radius): ?float |
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| 50 | { |
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| 51 | if (0 == (float) $height || 0 == (float) $radius) { |
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| 52 | return null; |
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| 53 | } |
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| 54 | |||
| 55 | return pi() * pow((float) $radius, 2) * $height; |
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| 56 | } |
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| 57 | |||
| 58 | /** |
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| 59 | * Calculate the volume of a sphere |
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| 60 | * |
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| 61 | * Formula: |
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| 62 | * ``` |
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| 63 | * V = 4/3 * π * r3 |
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| 64 | * ``` |
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| 65 | * @param float $radius |
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| 66 | * @param float |
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| 67 | * @author Ronan Chilvers <[email protected]> |
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| 68 | */ |
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| 69 | static public function sphere($radius): ?float |
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| 70 | { |
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| 71 | if (0 == (float) $radius) { |
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| 72 | return null; |
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| 73 | } |
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| 74 | |||
| 75 | return (4/3) * pi() * pow($radius, 3); |
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| 76 | } |
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| 77 | |||
| 78 | /** |
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| 79 | * Calculate the volume of a hexagonal prism |
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| 80 | * |
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| 81 | * Formula: |
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| 82 | * ``` |
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| 83 | * V = 3/2 * √3 * a2 *h |
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| 84 | * ``` |
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| 85 | * @param float $height |
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| 86 | * @param float $edgeLength |
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| 87 | * @return float |
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| 88 | * @author Ronan Chilvers <[email protected]> |
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| 89 | */ |
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| 90 | public function hexagonalPrism($height, $edgeLength): ?float |
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| 93 | } |
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| 94 | } |
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| 95 |
