i dislike it

:))

i like it

substr_count will make this very slow

true

Good catch!

i*i saves a character :')

numberToString function argument shoult be type of int, not string.

And....he/she comments their code! +1

They wrote a note for C that says " The two arrays have the same size ", so I didn't bother to check the lengths of the two arrays. But thank you to make me think of this case you mention!

Hm, I think this might result in a false positive with these arrays:

$a1 = [2, 2];
$a2 = [8];

clever 😍 but it take too long and throws too many notes of Undefined offsets !

Yes, one of this solution limitation is if one of the teams scores more than 9 ! XDD
And thanks for the note, I changed my rating to clever.

its not a "best practice" for noobies
but its pretty clever !