20 lines
437 B
PHP
20 lines
437 B
PHP
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<?php
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namespace nur\mapper\base\impl;
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use nur\mapper\base\Mapper;
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class Add2Mapper extends Mapper {
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function __construct(int $a, ?int $b = null, ?int $c = null, ?iterable $source = null) {
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parent::__construct($source);
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$amount = $a;
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if ($b !== null) $amount += $b;
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if ($c !== null) $amount += $c;
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$this->amount = $amount;
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}
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private $amount;
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function mapper($item) {
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return $item + $this->amount;
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}
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}
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