| 1 | <?php |
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| 19 | abstract class AbstractRenderer |
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| 20 | { |
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| 21 | public $normalizeOptions = []; |
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| 22 | |||
| 23 | 2 | public function setHistory($value) |
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| 28 | |||
| 29 | 2 | public function getHistory() |
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| 33 | |||
| 34 | /** |
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| 35 | * Renders history to string. |
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| 36 | * @param History $history |
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| 37 | * @return string |
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| 38 | */ |
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| 39 | abstract public function render(History $history); |
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| 40 | |||
| 41 | } |
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| 42 |
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: