How to split array items which contain comma(s) and get a unique array?-CodePudding

I've an array like this:

$array = ['a', 'b,c,d', 'e', 'f,g'];

Now I need to split items containing comma (s) and get a unique array, like this:

$array = ['a', 'b', 'c', 'd', 'e', 'f', 'g'];

I've tried

foreach ($array as $item) {
    $new[] = explode(',', $item);
}

and

$res = array_map(function($val) {
    return explode(',', $val);
}, $array);

But what I get, in both cases, is an array of (4) arrays.

How can I accomplish the array that I need?

CodePudding user response：

A simple solution would be to first add all of the items together using implode() with a , separator and then explode the result...

print_r(explode(",", implode(",", $array)));

CodePudding user response：

TO Get Unique Array:

$array = ['a', 'a,b,c,d', 'e', 'f,g'];
print_r(array_unique(explode(",", implode(",", $array))));

CodePudding user response：

Try it:

$array = ['a', 'b,c,d', 'e', 'f,g'];
$newArray = [];
foreach ($array as $a) {
  $newArray = array_merge($newArray , explode(',', $a));
}
print_r($newArray);