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jakzal/flat_map.php

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Flat map in PHP
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flat_map.php
<?php
function flat_map(callable $callback, array $collection) {
return array_merge([], ...array_map($callback, $collection));
};
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jakzal commented Feb 23, 2018 •
edited

Test: https://3v4l.org/qQNTv

var_dump(
    array_map(function ($el) { return str_split($el); }, ["two birds", "three green peas"])
);

var_dump(
    flat_map(function ($el) { return str_split($el); }, ["two birds", "three green peas"])
);

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