DownloadMp4.php

<?php
namespace App;

Class Download{

	private function downloadFile($title, $link, $saveLink, $folderName, $i)
	{
		ob_start();

		$nameOld = $link . $title . $i .'.mp4';
		$saveLink = $saveLink . $folderName . '/' . $title . $i .'.mp4';

		file_put_contents($saveLink, fopen($nameOld, 'r'));

		set_time_limit(0);

		/*header('Connection: Keep-Alive');
		header('Content-Description: File Transfer');
		header('Content-Type: application/force-download');
		header("Content-Disposition: attachment; filename=lesson1");
		header('Content-Transfer-Encoding: binary');
		header('Expires: 0');
		header('Cache-Control: must-revalidate, post-check=0, pre-check=0');
		header('Pragma: public');
		header('Content-Length: ' . filesize($saveLink));

		      while (ob_get_level()) {
		        ob_end_clean();
		      }

		readfile($saveLink);*/
		//unlink($saveLink);
	}

	private function existFolder($folderName){
        if (!is_dir($folderName)){
            mkdir($folderName, 0700);
            return true;
        }
        return true;
    }


	public function downloadAll($start, $end, $title, $link, $saveLink, $folderName)
	{
		$this->existFolder($folderName);
		for ($i = $start; $i < $end; $i++) { 
			$this->downloadFile($title, $link, $saveLink, $folderName, $i);
		}
		
	}
}