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1 | <?php |
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2 | |||
3 | namespace Elastica\Aggregation\Traits; |
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4 | |||
5 | trait KeyedTrait |
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6 | { |
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7 | /** |
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8 | * Setting the keyed flag to true associates a unique string key |
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9 | * with each bucket and returns the result as a hash rather than an array. |
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10 | * |
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11 | * @return $this |
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12 | */ |
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13 | public function setKeyed(bool $keyed = true): self |
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14 | { |
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15 | return $this->setParam('keyed', $keyed); |
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16 | } |
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17 | } |
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18 |
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.