Test scrap book

$str = "The lazy dog jumped over the fox";

function using_recursion($val) {
    $posRes = strrpos($val, ' ');
    if ($posRes !== FALSE) {
        echo substr($val, $posRes);
        using_recursion(substr($val, 0, $posRes));
    }
    else {
        echo " $val";
    }
}

function newOne($rr)
{
    $val = 0;
    foreach ($rr as $r)
    {
        if($val === 0)
        {
            $val = octdec(decoct($r));
        }else{
            $val += octdec(decoct($r));
        }
    }
    return decoct($val);
}

function newTwo($rr)
{
    $val = 0;
    foreach ($rr as $r)
    {
       $val += octdec($r);
    }
    return decoct($val);
}
function three($arr)
{
    $arr = str_split($arr);
    $arrUnique = array_unique($arr);
    $duplicate = array_diff($arrUnique, $arr);
    $result = [];
    $int =0;
    $result[$int] ='' ;
    foreach ($arr as $ar)
    {
        if(in_array($ar, $duplicate) && substr_count($result[$int],$ar) === 2 ){
            ++$int;
        }
        else{
            $result[$int] .=$result[$int];
        }

    }

    return $result;

}

function Test() {

    static $x = 0;

    echo $x;

    $x++;
}

function testNine($s, $wordDict)
{
    $s = strtolower($s);
    $finalWordDic=[];
    foreach($wordDict as $value)
    {
        $finalWordDic[] = strtolower($value);
    }
    $count = strlen($s);
    $data =[];
    for($pointer = 1; $pointer <= $count; ++$pointer)
    {
        $first = substr($s, 0, $num = -($count - $pointer));
        $second = substr($s, $pointer);
        if(in_array($first, $finalWordDic) && in_array($second, $finalWordDic)){
            return true;
        }
    }

    return false;
}

function solution($s, $wordDict)
{
    $s = strtolower($s);
    $finalWordDic = array_map('strtolower', $wordDict);
    $count = strlen($s);
    for($pointer = 1; $pointer <= $count; ++$pointer)
    {
        $first = substr($s, 0, $num = -($count - $pointer));
        $second = substr($s, $pointer);
        if(in_array($first, $finalWordDic) && in_array($second, $finalWordDic)){
            return true;
        }
    }

    return false;
}

function solutionOne($arr)
{
    $arrDuplicate = array_count_values($arr);
    foreach($arrDuplicate as $key => $value)
    {
        if($value === 1)
            return $key;
    }
}

function solutionTwo($str)
{
    $arr = str_split($str);
   $bracesMatched = [
       '<' => [
           'open'=> '<',
           'close'=> '>',
       ],
       '('=> [
           'open'=> '(',
           'close'=> ')'
       ],
       '{'=>[
           'open'=>'{',
           'close'=> '}'
       ],
       '['=>[
           'open'=> '[',
           'close'=>']'
       ]
   ];

   $arrCount = count($arr);
   if($arrCount % 2 !== 0)
   {
       return "modulus";
   }
   $count =count($arr);
   $end = null;
   foreach ($arr as $key => $item)
   {
       if($count === $key)
           return true;
       if((($count / 2)-1) === ($key - 1) && $end)
           return true;
       if($bracesMatched[$item]['close'] !== $arr[$key + 1] && $bracesMatched[$item]['close'] !== $arr[$count - ($key + 1)])
           return [
               "check",
               $bracesMatched[$item]['close'] !== $arr[$key + 1],
               $bracesMatched[$item]['close'] !== $arr[$count - ($key + 1)],
               $bracesMatched[$item]['close'],
               $arr[$key + 1],
               $arr[$count - ($key+1)],
               $key,
               $count, $arr
           ];
       $end = $bracesMatched[$item]['close'] !== $arr[$count - ($key + 1)];
   }

   return true;
}