1 | <?php |
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14 | abstract class Gradient extends SVGElement |
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15 | { |
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16 | const LINEAR = 'linear'; |
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17 | |||
18 | const RADIAL = 'radial'; |
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19 | |||
20 | /** |
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21 | * Gradient constructor. |
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22 | * |
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23 | * @param ElementInterface $parent |
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24 | * @param null|string $id |
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25 | */ |
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26 | 38 | public function __construct(ElementInterface $parent, $id = null) |
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33 | |||
34 | /** |
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35 | * Multiply argument can be passed. |
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36 | * |
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37 | * @param Stop $stop |
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38 | */ |
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39 | 36 | public function appendStop(Stop $stop) |
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46 | } |
Unless you are absolutely sure that the expression can never be null because of other conditions, we strongly recommend to add an additional type check to your code: