48 lines
1006 B
PHP
48 lines
1006 B
PHP
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<?php
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namespace common\helpers;
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class Functions
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{
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public static function array_flatten(array $array): array
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{
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$return = [];
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array_walk_recursive($array, function ($a) use (&$return) {
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$return[] = $a;
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});
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return $return;
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}
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public static function zip(...$arrays)
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{
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$lengths = array_map('count', $arrays);
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$minLength = min($lengths);
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$result = [];
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for ($i = 0; $i < $minLength; $i++) {
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$result[] = array_map(function ($array) use ($i) {
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return $array[$i];
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}, $arrays);
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}
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return $result;
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}
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public static function zip_longest(...$arrays)
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{
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$maxLength = max(array_map('count', $arrays));
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$result = [];
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for ($i = 0; $i < $maxLength; $i++) {
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$result[] = array_map(function ($array) use ($i) {
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return $array[$i] ?? null;
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}, $arrays);
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}
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return $result;
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}
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}
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