39 lines
519 B
PHP
39 lines
519 B
PHP
<?php
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namespace rosavox\helpers\list_;
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/**
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*/
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function sequence(int $length) : array
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{
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return (($length <= 0) ? [] : \array_merge(sequence($length-1), [$length-1]));
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}
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/**
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*/
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function map(array $list, \Closure $function) : array
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{
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$result = [];
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foreach ($list as $element)
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{
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\array_push($result, ($function)($element));
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}
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return $result;
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}
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/**
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*/
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function to_map(array $pairs) : array
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{
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$result = [];
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foreach ($pairs as $pair)
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{
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$result[$pair['key']] = $pair['value'];
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}
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return $result;
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}
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?>
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