31 lines
589 B
PHP
31 lines
589 B
PHP
<?php
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declare(strict_types=1);
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namespace Phpml\Preprocessing;
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final class LambdaTransformer implements Preprocessor
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{
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/**
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* @var callable
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*/
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private $lambda;
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public function __construct(callable $lambda)
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{
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$this->lambda = $lambda;
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}
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public function fit(array $samples, ?array $targets = null): void
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{
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// nothing to do
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}
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public function transform(array &$samples, ?array &$targets = null): void
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{
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foreach ($samples as &$sample) {
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$sample = call_user_func($this->lambda, $sample);
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}
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}
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}
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