1 | <?php |
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15 | trait Compatibility { |
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16 | /** |
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17 | * @param string $index |
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18 | * |
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19 | * @return bool |
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20 | */ |
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21 | function offsetExists ($index) { |
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24 | /** |
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25 | * @param string $index |
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26 | * |
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27 | * @return mixed |
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28 | */ |
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29 | function &offsetGet ($index) { |
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32 | /** |
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33 | * @param string $index |
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34 | * @param mixed $value |
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35 | */ |
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36 | function offsetSet ($index, $value) { |
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39 | /** |
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40 | * @param string $index |
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41 | */ |
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42 | public function offsetUnset ($index) { |
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45 | /** |
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46 | * @return mixed Can return any type. |
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47 | */ |
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48 | public function current () { |
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54 | /** |
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55 | * @return mixed scalar on success, or null on failure. |
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56 | */ |
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57 | public function key () { |
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60 | /** |
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61 | * @return boolean The return value will be casted to boolean and then evaluated. |
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62 | * Returns true on success or false on failure. |
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63 | */ |
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64 | public function valid () { |
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70 | } |
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71 |