Explode by comma and new line together [duplicate]

Question

I have a basic textarea. When user enter some text I explode words by comma ",". Now I also want to seperate words by new line. How can I do it.

This is my code part that explodes words by comma.

if(isset($_POST["btn"])){
    $words     = $_POST["inp_text"];
    $words_arr = explode(",",$words);

    foreach($words_arr as $word){
        echo $word."<br>";
    }
}

How can I add new line functionality to this code part. I think, I should generate a string from $word in loop than after loop I should explode this string by new line again.

Is there a better idea?

For better understading I add some examples.

input:

apple, melon, a, b, c

output:

apple melon a b c

input (with new line)

x,y,z,a
b
c

output:

x y z a b c

Answer 1

Try with this:

$split_strings = preg_split('/[\ \n\,]+/', $your_string);

Answer 2

You can use preg_split in order to split your string into words, no matter is there is a comma or a new line.

$wordsArray = preg_split('/\W/', $yourString, 0, PREG_SPLIT_NO_EMPTY);