Iterator file which will retrive latest image of latest folder distributed in timetamp nomeniclature of without scanning complete directory

final_Iterator.php

<?php
// error_reporting(E_ERROR | E_WARNING | E_PARSE | E_NOTICE);
error_reporting(E_ALL ^ E_NOTICE);
class latest {

    private $basepath;
    private $flags;
    public $parentDir;
    private $thumbDirName = 'thumbnails';
    public $i = 1;
    public $latestThumb = [];

    function __construct($base = __DIR__) {
        // var_dump($base);
        $this->basepath = $base;
        $this->flags = FilesystemIterator::SKIP_DOTS | FilesystemIterator::NEW_CURRENT_AND_KEY | FilesystemIterator::KEY_AS_FILENAME;
    }

    public static function pre(){
        // echo "here";
        $num = func_num_args();
        // var_dump($num);
        if($num >0 ) {
           $farg = func_get_arg(0);
           if(is_array($farg)) {
                $num = count($farg);
                // var_dump($num,!$num);
                do {
                    echo "<pre>";
                    print_r($farg);
                    echo "</pre>";
                } while(false);
            } else {
                var_dump($farg);
            }
        }
    }

    public function latestThumb()
    {
        //die;
        $dir = (func_num_args()) ? func_get_arg(0) : $this->basepath;
        $RealPath = realpath($dir);
        // var_dump($RealPath);
        $Directory = new RecursiveDirectoryIterator($RealPath, $this->flags);
        // echo "<pre>"; print_r($Directory); echo "</pre>";
        // self::pre($Directory);
        $Dir_ = iterator_to_array($Directory);
        ksort($Dir_);
        // self::pre($Dir_);
        //first level
        // foreach ($Directory as $kDir=>$vDir) {
        foreach ($Dir_ as $kDir=>$vDir) {
            // var_dump($kDir,$vDir);
            // var_dump($vDir->isDir());
            // var_dump($vDir->current()->isDir()); // FATAL ERROR
            // if($Directory->current()->isDir()) {
            if($vDir->isDir()) {
                $this->findLatest($vDir);
                continue;
            }
        }
        var_dump($this->latestThumb);
    }

    public function findLatest($dir){
        // var_dump($dir);
        $currentDirName = $dir->getFileName();
        $currentDirPath = $dir->getRealPath();
        var_dump($currentDirName,$currentDirPath);
        $Directory = new RecursiveDirectoryIterator($currentDirPath, $this->flags);
        $Dir_ = iterator_to_array($Directory);
        /* Sort ASC so that latest created folder comes as last entry of array
           folder are genarted dynamically in below format
            <foldername><num><YYYY><MM><DD><HH><MM><SS>_thumb.jpg
        */
        // echo "<hr/>";
        // self::pre($Dir_);
        ksort($Dir_);
        // self::pre($Dir_);
        // echo "<hr/><hr/>";
        // get the last entry of sorted array which will be recent folder
        $key = array_key_exists("thumbnails", $Dir_);
        // var_dump($key);
        if($key) {
            echo "Towards the thumbnails";
            var_dump($Dir_["thumbnails"]);
            $this->findLatest($Dir_["thumbnails"]);
            return;
            // var_dump($tkey);
        }
        $dir_latest = array_pop($Dir_);
        /* check whether it is file or Directory */
        // var_dump("Parent:".$currentDirName);
        // self::pre($currentDirName);
        // echo __LINE__;
        if( $currentDirName == "thumbnails") {
            // echo "<br/>YES . only thumbnails";
            $thumbFolder = true;
            $t_name = $dir_latest->getBaseName();
            $t_path = $dir_latest->getRealPath();
            $isFile = $dir_latest->isFile();
            $isReadable = $dir_latest->isReadable();
            // var_dump($isFile , $isReadable);
            if($isFile && $isReadable) {
                $this->latestThumb[] = [$t_name,$t_path];
            }
            // var_dump($this->latestThumb);
            return ;
        } else {
            // echo "Inside other else";
            // var_dump($dir_latest->getRealPath());
            // var_dump($dir_latest->getBaseName());
            // var_dump($dir_latest->getFileName());
            // var_dump($dir_latest);
            $this->findLatest($dir_latest);
            return;
        }
    }


}
$loc = '/opt/lampp/archive/data/';
$obj = new latest($loc);
$obj->latestThumb();
?>

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