1 | <?php |
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20 | class ArrayAccess implements \ArrayAccess |
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21 | { |
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22 | protected $values = []; |
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23 | |||
24 | /** |
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25 | * Checks wether a given offset exists. |
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26 | * |
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27 | * @param mixed $offset the offset |
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28 | * |
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29 | * @return |
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30 | */ |
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31 | public function offsetExists($offset) |
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35 | |||
36 | /** |
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37 | * returns the value for agiven offset. |
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38 | * |
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39 | * @param mixed $offset the offset |
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40 | * |
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41 | * @return |
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42 | */ |
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43 | public function offsetGet($offset) |
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47 | |||
48 | /** |
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49 | * Deletes the a given offset. |
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50 | * |
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51 | * @param mixed $offset the offset |
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52 | * |
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53 | * @return |
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54 | */ |
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55 | public function offsetUnset($offset) |
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59 | |||
60 | /** |
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61 | * Sets the value for a given offset. |
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62 | * |
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63 | * @param mixed $offset the offset |
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64 | * @param mixed $value value for the offset |
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65 | * |
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66 | * @return |
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67 | */ |
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68 | public function offsetSet($offset, $value) |
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72 | } |
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73 |
This check marks access to variables or properties that have not been declared yet. While PHP has no explicit notion of declaring a variable, accessing it before a value is assigned to it is most likely a bug.