1 | <?php |
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9 | trait ArtisanCanValidateAnswers |
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10 | { |
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11 | /** |
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12 | * Require valid answer for the asked question. |
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13 | * |
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14 | * @param string $question |
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15 | * @param string $field |
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16 | * @param string|array $rules |
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17 | * @param null $default |
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18 | * |
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19 | * @return mixed |
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20 | */ |
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21 | protected function askValid($question, $field, $rules, $default = null) |
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33 | |||
34 | /** |
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35 | * Validate input field. |
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36 | * |
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37 | * @param string $field |
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38 | * @param string $value |
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39 | * @param string|array $rules |
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40 | * |
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41 | * @return string|null |
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42 | */ |
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43 | protected function validateInput($field, $value, $rules) |
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52 | } |
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53 |
This check looks for methods that are used by a trait but not required by it.
To illustrate, let’s look at the following code example
The trait
Idable
provides a methodequalsId
that in turn relies on the methodgetId()
. If this method does not exist on a class mixing in this trait, the method will fail.Adding the
getId()
as an abstract method to the trait will make sure it is available.