1 | <?php |
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7 | trait Impersonable |
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8 | { |
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9 | /** |
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10 | * Start impersonating this user. |
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11 | * |
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12 | * @return $this |
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13 | */ |
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14 | public function impersonate() |
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20 | |||
21 | /** |
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22 | * Stop impersonating. |
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23 | * |
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24 | * @return $this |
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25 | */ |
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26 | public function unimpersonate() |
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32 | |||
33 | /** |
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34 | * Check if user is impersonating. |
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35 | * |
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36 | * @return bool |
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37 | */ |
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38 | public function isImpersonating() |
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42 | |||
43 | /** |
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44 | * Get impersonating user id. |
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45 | * |
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46 | * @return int |
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47 | */ |
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48 | public function getImpersonatingId() |
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52 | |||
53 | /** |
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54 | * Get impersonating key. |
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55 | * |
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56 | * @return string |
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57 | */ |
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58 | public function getImpersonatingKey() |
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62 | } |
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63 |
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.