$res = [];
foreach ($arr as $i) {
foreach (make_res($i) as $v) {
$res[] = $v;
}
}
Array_merge in loop is very sloop so it is not a solution.
which I propose to shorten to:
$res = [];
foreach ($arr as $i) {
$res[...] = make_res($i);
}
Appending multiple elements to an array is very common use-case.
With kind regards / Mit freundlichen Grüßen / S přátelským pozdravem,
Michael Voříšek
