Just PHP FUN 024.

duplicates.php

<?php
# https://www.codewars.com/kata/5c55ad8c9d76d41a62b4ede3 Find all pairs.
function duplicates($array){
 $h = array_count_values($array);
 $get = function($x){ return ($x - $x%2)/2;};
 return array_sum(array_map($get,array_values($h)));
}
#----------------------------------------------------------------------
function duplicates($array){
 $h = []; $sum = 0;
 foreach($array as $v){
   if(!isset($h[$v])) $h[$v] = 0;
   $h[$v] += 1;
 }
 foreach(array_values($h) as $v) $sum +=  ($v - $v%2)/2;
 return $sum;
 
}

getFullName.php

<?php
# https://www.codewars.com/kata/597c684822bc9388f600010f FIXME: Get Full Name.
class Dinglemouse {
  public function __construct($firstName, $lastName) {
   $this->firstName = $firstName;
   $this->lastName = $lastName;
   $this->x = [$this->firstName, $this->lastName];
  }
  
  public function getFullName() {
    
    return implode(' ',array_filter($this->x));
  }
}

just_php_fun_024.md

Just PHP FUN 024.

• https://www.codewars.com/kata/5656b6906de340bd1b0000ac Two to One. count_chars($a.$b,3);
• https://www.codewars.com/kata/58b8c94b7df3f116eb00005b Simple Fun #176: Reverse Letter.
• https://www.codewars.com/kata/56f3a1e899b386da78000732 Parts of a list.
• https://www.codewars.com/kata/5c55ad8c9d76d41a62b4ede3 Find all pairs. array_count_values($array);
• https://www.codewars.com/kata/597c684822bc9388f600010f FIXME: Get Full Name.

Started at 14:40 15.06.2020 Monday June.
Finishe at 17:20 15.06.2020 Monday June. (2hrs 40minutes)

longest.php

<?php
# https://www.codewars.com/kata/5656b6906de340bd1b0000ac Two to One.
function longest($a, $b) {
    return count_chars($a.$b,3);
} # jovan91, citricsquid, SolidDev, Drazyhaze, Kev.JL, mylkydad (plus 29 more warriors)
#------------------------------------------------------------------------
function longest($a, $b) {
    $x = array_unique(str_split($a.$b)); sort($x);
    return implode($x);
}

partlist.php

<?php
# https://www.codewars.com/kata/56f3a1e899b386da78000732 Parts of a list.
function partlist($arr) {
    $ans = [];
    for($i = 0; $i < count($arr) - 1; $i++){
     array_push($ans,[implode(" ",array_slice($arr,0,$i+1)),implode(" ",array_slice($arr,$i+1))]);
    }
    return $ans;
}

reverseLetter.php

<?php
# https://www.codewars.com/kata/58b8c94b7df3f116eb00005b Simple Fun #176: Reverse Letter.
function reverseLetter($str){
  return strrev(preg_replace('/[^a-z]/','',$str));
}