92 lines
3.2 KiB
PHP
92 lines
3.2 KiB
PHP
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<?php
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defined('BASEPATH') OR exit('No direct script access allowed');
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class YoutubeDownloadModel extends CI_Model {
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public function __construct() {
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parent::__construct();
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}
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function curlGet($URL) {
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$ch = curl_init();
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$timeout = 3;
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curl_setopt( $ch , CURLOPT_URL , $URL );
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curl_setopt( $ch , CURLOPT_RETURNTRANSFER , 1 );
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curl_setopt( $ch , CURLOPT_CONNECTTIMEOUT , $timeout );
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/* if you want to force to ipv6, uncomment the following line */
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//curl_setopt( $ch , CURLOPT_IPRESOLVE , 'CURLOPT_IPRESOLVE_V6');
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$tmp = curl_exec( $ch );
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curl_close( $ch );
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return $tmp;
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}
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/*
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* function to use cUrl to get the headers of the file
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*/
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function get_location($url) {
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$my_ch = curl_init();
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curl_setopt($my_ch, CURLOPT_URL,$url);
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curl_setopt($my_ch, CURLOPT_HEADER, true);
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curl_setopt($my_ch, CURLOPT_NOBODY, true);
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curl_setopt($my_ch, CURLOPT_RETURNTRANSFER, true);
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curl_setopt($my_ch, CURLOPT_TIMEOUT, 10);
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$r = curl_exec($my_ch);
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foreach(explode("\n", $r) as $header) {
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if(strpos($header, 'Location: ') === 0) {
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return trim(substr($header,10));
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}
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}
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return '';
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}
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function get_size($url) {
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$my_ch = curl_init();
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curl_setopt($my_ch, CURLOPT_URL,$url);
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curl_setopt($my_ch, CURLOPT_HEADER, true);
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curl_setopt($my_ch, CURLOPT_NOBODY, true);
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curl_setopt($my_ch, CURLOPT_RETURNTRANSFER, true);
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curl_setopt($my_ch, CURLOPT_TIMEOUT, 10);
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$r = curl_exec($my_ch);
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foreach(explode("\n", $r) as $header) {
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if(strpos($header, 'Content-Length:') === 0) {
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return trim(substr($header,16));
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}
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}
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return '';
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}
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function get_description($url) {
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$fullpage = curlGet($url);
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$dom = new DOMDocument();
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@$dom->loadHTML($fullpage);
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$xpath = new DOMXPath($dom);
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$tags = $xpath->query('//div[@class="info-description-body"]');
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foreach ($tags as $tag) {
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$my_description .= (trim($tag->nodeValue));
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}
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return utf8_decode($my_description);
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}
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function clean($string) {
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$string = str_replace(' ', '-', $string); // Replaces all spaces with hyphens.
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return preg_replace('/[^A-Za-z0-9\-]/', '', $string); // Removes special chars.
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}
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function formatBytes($bytes, $precision = 2) {
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$units = array('B', 'kB', 'MB', 'GB', 'TB', 'PB', 'EB', 'ZB', 'YB');
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$bytes = max($bytes, 0);
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$pow = floor(($bytes ? log($bytes) : 0) / log(1024));
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$pow = min($pow, count($units) - 1);
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$bytes /= pow(1024, $pow);
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return round($bytes, $precision) . ' ' . $units[$pow];
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}
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function is_chrome(){
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$agent=$_SERVER['HTTP_USER_AGENT'];
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if( preg_match("/like\sGecko\)\sChrome\//", $agent) ){ // if user agent is google chrome
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if(!strstr($agent, 'Iron')) // but not Iron
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return true;
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}
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return false; // if isn't chrome return false
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}
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}
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