Just PHP FUN 098.

just_php_fun_098.md

Just PHP FUN 098.

• https://www.codewars.com/kata/577e277c9fb2a5511c00001d Vowel Shifting.

Started at 22:43 09.09.2020 Wednesday Sep.
Finished at 23:09 09.09.2020 Wednesday Sep. (0hrs 26minutes)

vowelShift.php

<?php
# https://www.codewars.com/kata/577e277c9fb2a5511c00001d Vowel Shifting.
function vowelShift($text, $n) {
  if(0 == strlen($text)) return $text;
  echo "$text $n \n";
  $arr = str_split($text);
  $indices = []; $start = []; $end = [];
  foreach($arr as $i=>$ch){
    if(preg_match('/[aeiou]/i',$ch)){
      array_push($indices, $i);
      array_push($start,$ch);
      array_push($end,$ch);
    }
  }
  $size = count($start);
  if(0 > $n) $n = $size - abs($n)%$size;
  foreach($start as $i=>$v) $end[($i+$n)%$size] = $v;
  foreach($indices as $i=>$v) $arr[$v] = $end[$i];
  return implode($arr);
}