Just PHP FUN 057.

box.php

<?php
# https://www.codewars.com/kata/58644e8ddf95f81a38001d8d Make a square box!
function box(int $n): array {
  if(0 == $n) return [];
  if(1 == $n) return ['-'];
  $ans = []; array_push($ans,str_repeat('-',$n));
  $str = $n > 2 ? "-".str_repeat(' ',$n-2)."-" : "--";
  for($i = 0; $i < $n - 2; $i += 1) array_push($ans,$str);
  array_push($ans,str_repeat('-',$n));
  return $ans;
}

generate_integers.php

<?php
# https://www.codewars.com/kata/5841f4fb673ea2a2ae000111 Series of integers from 0 to n.
function generate_integers(int $n): array {
  return range(0,$n);
}

just_php_fun_057.md

Just PHP FUN 057.

• https://www.codewars.com/kata/5841f4fb673ea2a2ae000111 Series of integers from 0 to n.
• https://www.codewars.com/kata/58644e8ddf95f81a38001d8d Make a square box!
• https://www.codewars.com/kata/57fafd0ed80daac48800019f Exclamation marks series #8: Move all exclamation marks to the end of the sentence.
• https://www.codewars.com/kata/5844a422cbd2279a0c000281 Debug the functions EASY.
• https://www.codewars.com/kata/586efc2dcf7be0f217000619 String reverse slicing 101.

Started at 21:39 23.07.2020 Thursday July.
Finished at 22:04 23.07.2020 Thurday July (0hrs 25minutes)

multi.php

<?php
# https://www.codewars.com/kata/5844a422cbd2279a0c000281 Debug the functions EASY
function multi($array) {
  return array_product($array);
}
function add($array) {
  return array_sum($array);
}
function reverse($string) {
  return strrev($string);
}

remove.php

<?php
# https://www.codewars.com/kata/57fafd0ed80daac48800019f Exclamation marks series #8: Move all exclamation marks to the end of the sentence.
function remove(string $s): string {
  $x = str_replace('!','',$s,$n);
  return $x.str_repeat('!',$n);
}

reverse_slice.php

<?php
# https://www.codewars.com/kata/586efc2dcf7be0f217000619 String reverse slicing 101.
function reverse_slice(string $s): array {
  $s = strrev($s); $ans = [];
  for($i = 0; $i < strlen($s); $i+=1) array_push($ans,substr($s,$i));
  return $ans;
}