1 | <?php |
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10 | trait HasParentAttributes |
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11 | { |
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12 | /** |
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13 | * Return an array of attributes to apply on the parent. This generally means |
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14 | * the attributes that should be applied on the <li> tag. |
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15 | * |
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16 | * @return array |
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17 | */ |
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18 | public function parentAttributes(): array |
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22 | |||
23 | /** |
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24 | * @param string $attribute |
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25 | * @param string $value |
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26 | * |
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27 | * @return $this |
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28 | */ |
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29 | public function setParentAttribute(string $attribute, string $value = '') |
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35 | |||
36 | /** |
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37 | * @param array $attributes |
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38 | * |
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39 | * @return $this |
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40 | */ |
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41 | public function setParentAttributes(array $attributes) |
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47 | |||
48 | /** |
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49 | * @param string $class |
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50 | * |
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51 | * @return $this |
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52 | */ |
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53 | public function addParentClass(string $class) |
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59 | } |
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60 |
In PHP it is possible to write to properties without declaring them. For example, the following is perfectly valid PHP code:
Generally, it is a good practice to explictly declare properties to avoid accidental typos and provide IDE auto-completion: