Just PHP FUN 067.

just_php_fun_067.md

Just PHP FUN 067.

• https://www.codewars.com/kata/56a5d994ac971f1ac500003e Consecutive strings.

Started at 23:53 04.08.2020 Aug Tuesday.
Finished at 0:24 05.08.2020 Aug Wednesday. (0hrs 31minute)

longestConsec.php

<?php
# https://www.codewars.com/kata/56a5d994ac971f1ac500003e Consecutive strings.
function longestConsec($strarr, $k) {
    $n = count($strarr);
    if(0 == $n || $k <= 0 || $k > $n) return "";
    // Concatinate frist $k strings
    $x = array_sum(array_map('strlen',array_slice($strarr,0,$k)));
    $max = $x;
    $start = 0;
    for($i = 1; $i <= $n - $k; $i += 1){
      $x = $x - strlen($strarr[$i-1]) + strlen($strarr[$i + $k - 1]);
      if($x > $max){ $max = $x; $start = $i;}
    }
    return implode("",array_slice($strarr,$start,$k));
}