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<?php |
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|
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declare(strict_types=1); |
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|
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namespace Metricool\Http\Metricool\Traits; |
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|
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trait IsSummable |
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{ |
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/** |
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* Abstract method to be implemented by classes using this trait. It should |
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* return an array of data. When {@see sum()} is called, this method will |
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* be used to retrieve the data to sum. |
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*/ |
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abstract public function get(): array; |
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|
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/** |
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* Method just returns the sum of the items in the array returned by the |
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* get() method. Operation type methods should always return an array. |
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*/ |
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public function sum(): array |
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{ |
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$numericValues = array_filter($this->get(), 'is_numeric'); |
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return [ |
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array_sum($numericValues), |
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]; |
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} |
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} |
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