1 | <?php |
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13 | class ContextStack |
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14 | { |
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15 | /** |
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16 | * @var array |
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17 | */ |
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18 | private static $queueHandler; |
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19 | |||
20 | /** |
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21 | * Statically create an instance of this class. |
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22 | * |
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23 | * @param TaskQueue |
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24 | */ |
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25 | public static function create() |
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33 | |||
34 | /** |
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35 | * Store a value into task queueing stack. |
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36 | * |
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37 | * @param \Closure|array $handler |
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38 | * @param mixed $value |
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39 | */ |
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40 | public function store($handler, $value = []) |
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52 | |||
53 | /** |
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54 | * Get task queue handler. |
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55 | * |
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56 | * @return TaskQueue |
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57 | */ |
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58 | public static function getQueueHandler() |
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62 | } |
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63 |
Let’s assume you have a class which uses late-static binding:
The code above will run fine in your PHP runtime. However, if you now create a sub-class and call the
getSomeVariable()
on that sub-class, you will receive a runtime error:In the case above, it makes sense to update
SomeClass
to useself
instead: