| 1 | <?php |
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| 9 | class RBF implements Kernel |
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| 10 | { |
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| 11 | /** |
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| 12 | * @var float |
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| 13 | */ |
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| 14 | private $gamma; |
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| 15 | |||
| 16 | /** |
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| 17 | * @param float $gamma |
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| 18 | */ |
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| 19 | public function __construct(float $gamma) |
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| 23 | |||
| 24 | /** |
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| 25 | * @param float $a |
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| 26 | * @param float $b |
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| 27 | * |
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| 28 | * @return float |
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| 29 | */ |
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| 30 | public function compute($a, $b) |
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| 38 | |||
| 39 | } |
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| 40 |
It seems like the type of the argument is not accepted by the function/method which you are calling.
In some cases, in particular if PHP’s automatic type-juggling kicks in this might be fine. In other cases, however this might be a bug.
We suggest to add an explicit type cast like in the following example: