Just PHP FUN 101.

is_solved.php

<?php
# https://www.codewars.com/kata/525caa5c1bf619d28c000335 Tic-Tac-Toe Checker.
function is_solved(array $board): int {
  $x = implode(array_map('implode', $board));
  $row = '/^((1{3}.{6})|(.{3}1{3}.{3})|(.{6}1{3}))$/';
  $column = '/^((1..){3}|(.1.){3}|(..1){3})$/';
  $diagonal = '/^((1..)(.1.)(..1))|((..1)(.1.)(1..))$/';
  if(preg_match($row,$x)||preg_match($column,$x)||preg_match($diagonal,$x)) return 1;
  list($row,$column,$diagonal) = preg_replace('/1/','2',[$row,$column,$diagonal]);
  if(preg_match($row,$x)||preg_match($column,$x)||preg_match($diagonal,$x)) return 2;
  if(preg_match('/0/',$x)) return -1;
  return 0;
}

just_php_fun_101.md

Just PHP FUN 101.

• https://www.codewars.com/kata/525caa5c1bf619d28c000335 Tic-Tac-Toe Checker.

Started at 21:43 12.09.2020 Saturday Sep.
Finished at 22:11 12.09.2020 Saturday Sep. (0hrs 28minutes)