1 | <?php |
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7 | trait HasHintTrait |
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8 | { |
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9 | |||
10 | 2 | protected function ensureHintAttributes() |
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11 | { |
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12 | 2 | if (!isset($this[Specs::HINT_ATTRIBUTES])) { |
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13 | 2 | $this[Specs::HINT_ATTRIBUTES] = new AttributesContainer(); |
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14 | } |
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15 | 2 | } |
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16 | |||
17 | /** |
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18 | * Retrieves the hint's text |
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19 | * |
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20 | * @return string|null |
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21 | */ |
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22 | 1 | public function getHint() |
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26 | |||
27 | /** |
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28 | * Sets the hint's text |
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29 | * |
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30 | * @param string $hint |
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31 | * |
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32 | * @return self |
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33 | */ |
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34 | 1 | public function setHint($hint) |
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40 | |||
41 | /** |
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42 | * Retrieve all of the hint's attributes |
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43 | * |
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44 | * @return mixed |
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45 | */ |
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46 | 1 | public function getHintAttributes() |
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52 | |||
53 | /** |
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54 | * Sets multiple attributes for the hint |
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55 | * |
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56 | * @param array $attrs |
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57 | * |
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58 | * @return HasHintTrait |
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59 | */ |
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60 | 1 | public function setHintAttributes($attrs) |
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67 | |||
68 | /** |
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69 | * Retrieve an attribute from the hint |
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70 | * |
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71 | * @param string $attr |
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72 | * |
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73 | * @return mixed |
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74 | */ |
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75 | 2 | public function getHintAttribute($attr) |
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81 | |||
82 | /** |
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83 | * Set/Unset a hint attribute |
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84 | * |
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85 | * @param string $attr |
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86 | * @param mixed|null $value |
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87 | * |
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88 | * @return self |
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89 | */ |
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90 | 1 | public function setHintAttribute($attr, $value = null) |
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97 | |||
98 | /** |
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99 | * Adds a CSS class to the hint's "class" attribute |
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100 | * |
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101 | * @param string $class |
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102 | * |
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103 | * @return self |
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104 | */ |
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105 | 1 | public function addHintClass($class) |
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112 | |||
113 | /** |
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114 | * Removes a CSS class from the hint's "class" attribute |
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115 | * |
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116 | * @param string $class |
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117 | * |
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118 | * @return self |
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119 | */ |
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120 | 1 | public function removeHintClass($class) |
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127 | |||
128 | /** |
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129 | * Toggles a CSS class to the hint's "class" attribute |
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130 | * |
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131 | * @param |
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132 | * $class |
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133 | * |
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134 | * @return self |
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135 | */ |
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136 | 1 | public function toggleHintClass($class) |
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143 | |||
144 | /** |
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145 | * Checks if the hint has a CSS class on the "class" attribute |
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146 | * |
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147 | * @param |
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148 | * $class |
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149 | * |
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150 | * @return bool |
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151 | */ |
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152 | 1 | public function hasHintClass($class) |
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158 | } |
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159 |
In PHP traits cannot be used for type-hinting as they do not define a well-defined structure. This is because any class that uses a trait can rename that trait’s methods.
If you would like to return an object that has a guaranteed set of methods, you could create a companion interface that lists these methods explicitly.