Wallogit.com
2017 © Pedro Peláez
Most simple iterators
, (*1)
Most simple iterators., (*2)
I do not claim the right for this project. This package is licensed under WTFPL., (*3)
Generator map(iterable $iter, callable $callback)$data = [1, 2, 3];
$twice = function ($n) { return $n * 2; };
foreach (map($data, $twice) as $a) {
echo $a, PHP_EOL;
}
// [output] 2, 4, 6
Generator map_kv(iterable $iter, callable $callback)$data = ['apple', 'orange', 'strawberry'];
$deco = function ($k, $v) { return "{$k}: $v"; };
foreach (map_kv($data, $deco) as $a) {
echo $a, PHP_EOL;
}
// [output] "1: apple", "2: orange", "3: strawberry"
Generator take(iterable $iter, int $n)$data = range(1, 100);
foreach (take($data, 5) as $a) {
echo $a, PHP_EOL;
}
// [output] 1, 2, 3, 4, 5
array to_array(iterable $iter)$fib = function () {
$n = 0; yield $n;
$m = 1; yield $m;
while (true) {
$c = $n + $m;
yield $c;
$n = $m;
$m = $c;
}
};
$fib_10 = to_array(take($fib(), 10));
//=> [0, 1, 1, 2, 3, 5, 8, 13, 21, 34]
Most simple iterators
WTFPL
Most simple iterators
WTFPL
Most simple iterators
WTFPL