Just PHP FUN 049.

count_developers.php

<?php
#  https://www.codewars.com/kata/582746fa14b3892727000c4f Coding Meetup #1 - Higher-Order Functions Series - Count the number of JavaScript developers coming from Europe. 
function count_developers($a) {
 return count(
     array_filter($a, 
                  function($x){ return  "Europe" == $x["continent"] && "JavaScript" == $x["language"];})
 );
}

is_infinite_process.php

<?php
# https://www.codewars.com/kata/588431bb76933b84520000d3 Simple Fun #6: Is Infinite Process?
function is_infinite_process(int $a, int $b): bool {
  return $a > $b || ($a < $b && 1 == ($b - $a)%2);
}

just_php_fun_049.md

Just PHP FUN 049.

• https://www.codewars.com/kata/57e0e52c8a8b8dfa6c0000b7 PHP in Action #2 - HTTP GET Method [Fundamentals].
• https://www.codewars.com/kata/582746fa14b3892727000c4f Coding Meetup #1 - Higher-Order Functions Series - Count the number of JavaScript developers coming from Europe.
• https://www.codewars.com/kata/588431bb76933b84520000d3 Simple Fun #6: Is Infinite Process?
• https://www.codewars.com/kata/58842a2b4e8efb92b7000080 Simple Fun #5: Knapsack Light.
• https://www.codewars.com/kata/58bcdc65f6d3b11fce000045 Simple Fun #184: LCM from m to n.
• https://www.codewars.com/kata/58bccdf56f25ff6b6d00002f Simple Fun #181: Rounding.

Started at 22:07 14.07.2020 Tuesday July.
Finished at 1:52 15.07.2020 Wednesday July. (3hr 45minues)

knapsack_light.php

<?php
# https://www.codewars.com/kata/58842a2b4e8efb92b7000080 Simple Fun #5: Knapsack Light.
function knapsack_light(int $v1, int $w1, int $v2, int $w2, int $mw): int {
  if($w1 + $w2 <= $mw) return $v1+$v2;
  if($w1 <= $mw && $w2 <= $mw) return max($v1,$v2);
  if($w1 <= $mw) return $v1;
  if($w2 <= $mw) return $v2;
  return 0;
 }

mn_lcm.php

<?php
# https://www.codewars.com/kata/58bcdc65f6d3b11fce000045 Simple Fun #184: LCM from m to n.
function mn_lcm(int $m, int $n): int {
  $a = min($m,$n); $b = max($m,$n);
  $x = $a;
  // echo "$a $b start \n";
  for($i = $a+1; $i <= $b; $i+=1) {
    // echo "1. $i and $x $x%$i = ".($x%$i)."\n";
    $delta = $x;
    while(0 != $x%$i) $x += $delta;
    // echo "2. $i and $x $x%$i = ".($x%$i)."\n";
    }
  return $x;
}

rounding.php

<?php
# https://www.codewars.com/kata/58bccdf56f25ff6b6d00002f Simple Fun #181: Rounding.
function rounding($n,$m){ 
  
  $a = $m * ceil($n/$m); 
  $b = $m * floor($n/$m); 
  $x = 5;
  if(abs($n-$a) == abs($n-$b)) return $n;
  if(abs($n-$a) < abs($n-$b)){ $x = (int) $a;}
  else{ $x = (int) $b;}
  return $x;
  
}

user_script.php

<?php
# https://www.codewars.com/kata/57e0e52c8a8b8dfa6c0000b7 PHP in Action #2 - HTTP GET Method [Fundamentals].
// Define the correct key-value pairs here
function user_script(){
  global $avocado, $banana, $dragonfruit;
  extract(array_map('htmlspecialchars',$_GET));
}