Just PHP FUN 090.

just_php_fun_090.md

Just PHP FUN 090.

• https://www.codewars.com/kata/5893933e1a88084be10001a3 Domain name validator.

Started at 31.08.2020 at 23:15 Monday Aug.
Finished at 31.08.2020 at 23:34 Monday Aug. (0hrs 19minutes)

validate.php

<?php
# https://www.codewars.com/kata/5893933e1a88084be10001a3 Domain name validator.
function validate($domain) {
  echo "$domain\n";
  $len = strlen($domain);
  if(253 < $len) {
    echo "Too long\n";
    return false;
    }
  $x = explode(".",$domain);
  if(2 > count($x)) {
    echo "Too short\n";
    return false;
    }
  for($i = 0; $i < count($x)-1; $i+=1){
    if(63 < strlen($x[$i])){
      echo "To long level\n";
      return false;
    }
    if(! (preg_match('/^[a-z0-9][a-z0-9-]*[a-z0-9]$/i',$x[$i])  || preg_match('/^[a-z0-9]$/i',$x[$i]) )) return false;
       }
  if(! ((preg_match('/^[a-z0-9][a-z0-9-]*[a-z0-9]$/i',$x[$i])  || preg_match('/^[a-z]$/i',$x[$i]) ) && preg_match('/[a-z-]/i',$x[$i]) )) return false;
  return true;
    }