1 | <?php |
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18 | class Arrays |
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19 | { |
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20 | /** |
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21 | * Create an empty array containing a specific number of elements |
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22 | * |
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23 | * @param int $numElements The number of elements in Array |
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24 | * @return array |
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25 | */ |
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26 | 1 | public static function createEmptyArray($numElements):ArrayObject |
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30 | |||
31 | /** |
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32 | * Check whether a key exists in array and corresponding value is not empty |
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33 | * |
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34 | * @param array $array |
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35 | * @param mixed $element |
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36 | * @return bool |
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37 | */ |
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38 | 20 | public static function hasElement(array $array, $element):bool |
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42 | } |
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43 |