1 | <?php |
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9 | trait AccessMethodsTrait |
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10 | { |
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11 | |||
12 | /** |
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13 | * @param array $items |
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14 | */ |
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15 | public function setItems($items) |
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19 | |||
20 | /** |
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21 | * {@inheritDoc} |
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22 | * @param mixed $element |
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23 | */ |
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24 | public function add($element, $key = null) |
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32 | |||
33 | /** |
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34 | * @param string $id |
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35 | * @param mixed $value |
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36 | */ |
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37 | public function set($id, $value) |
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41 | |||
42 | /** |
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43 | * Returns a parameter by name. |
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44 | * |
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45 | * @param string $key The key |
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46 | * @param mixed $default The default value if the parameter key does not exist |
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47 | * |
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48 | * @return mixed |
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49 | */ |
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50 | 6 | public function get($key, $default = null) |
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54 | |||
55 | /** |
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56 | * @return boolean |
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57 | * @param string $key |
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58 | */ |
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59 | public function has($key) |
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63 | |||
64 | /** |
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65 | * @param $key |
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66 | * @return bool |
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67 | * @deprecated Use ->has($key) instead |
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68 | */ |
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69 | public function exists($key) |
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73 | |||
74 | |||
75 | /** |
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76 | * Returns the parameters. |
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77 | * |
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78 | * @return array An array of parameters |
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79 | */ |
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80 | 1 | public function all() |
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84 | |||
85 | /** |
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86 | * Returns the parameter keys. |
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87 | * |
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88 | * @return array An array of parameter keys |
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89 | */ |
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90 | public function keys() |
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94 | |||
95 | /** |
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96 | * Returns the parameter values. |
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97 | * |
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98 | * @return array An array of parameter values |
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99 | */ |
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100 | public function values() |
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104 | |||
105 | |||
106 | /** |
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107 | * @param string $key |
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108 | * @return null |
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109 | */ |
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110 | public function unset($key) |
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119 | } |
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120 |
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: