Just PHP FUN 058.

decode.php

<?php
# https://www.codewars.com/kata/585c284d06512958820001a6 Emily's Eccentric Encoding.
function decode($string){
 $small = array_combine ( range('a','z') , array_reverse(range('a','z')) );

 $string = preg_replace_callback('/[a-z]/', function($x) use ($small) { return $small[$x[0]];},$string);
  return $string;
}

determine_time.php

<?php
# https://www.codewars.com/kata/5857e8bb9948644aa1000246 Can Santa save Christmas?
function determine_time(array $durations): bool {
  $sec = function($x){ 
      list($h,$m,$s) = explode(":",$x); 
      $value = intval($s) + intval($m)*60 + intval($h)*60*60;
      return $value;
    };
  $total = array_sum(array_map($sec,$durations));
  $all = 60*60*24;
  return $total <= 60*60*24;
}

just_php_fun_058.md

Just PHP FUN 058.

• https://www.codewars.com/kata/57029e77005264a3b9000eb5 Nothing special.
• https://www.codewars.com/kata/585eaef9851516fcae00004d Naughty or Nice?
• https://www.codewars.com/kata/5857e8bb9948644aa1000246 Can Santa save Christmas?
• https://www.codewars.com/kata/57e90bcc97a0592126000064 Holiday V - SeaSick Snorkelling.
• https://www.codewars.com/kata/585c284d06512958820001a6 Emily's Eccentric Encoding.

Started at 22:29 24.07.2020 Friday July.
Finished at 23:43 24.07.2020 Friday July. (1hr 14minutes)

nothing_special.php

<?php
# https://www.codewars.com/kata/57029e77005264a3b9000eb5 Nothing special.
function nothing_special($s): string {
  if(! is_string($s)) return "Not a string!";
  return preg_replace('/[^a-z0-9\s]/i','',$s);
}

sea_sick.php

<?php
# https://www.codewars.com/kata/57e90bcc97a0592126000064 Holiday V - SeaSick Snorkelling.
function sea_sick(string $s): string {
  $size = strlen($s); $chng = 0;
  for($i = 1; $i < $size; $i++) if($s[$i-1] != $s[$i]) $chng += 1;
  return $chng*100/$size > 20 ? "Throw Up": "No Problem";
}

what_list_am_i_on.php

<?php
# https://www.codewars.com/kata/585eaef9851516fcae00004d Naughty or Nice?
function what_list_am_i_on(array $actions): string {
  $evaluation = array_reduce(
    $actions,
    function($acc, $x){ 
      $value = preg_match('/^[gsn]/',$x) ? 1 : (preg_match('/^[bfk]/',$x) ? -1 : 0);
      return $acc + $value;
    },
    0
  );
  return $evaluation > 0 ? 'nice' : 'naughty';
}