Función regular de youtube

[blakmetall]

Tengo este codigo:


modificalo para que se llene a tu requerimiento.

Código PHP:

   
include "la_clase_de_youtube.php";
$error = false;
            $aError = array();
            
            $url = trim($this->data['url']); //la url que ingresen de youtube
            if(strpos($url,'http://') === false){
                $url = 'http://'. $url;
            }
 
            $valid_url = strpos($url,'http://www.youtube.com/watch?v=');
            if( $valid_url === false){
                $error = true;
                $aError[] = 'Introduce una url valida';
            }else{
                //creacion del objeto
                $youtube = new youtube($url);
                
                $title = $youtube->getTitle();
                if(empty($title)){
                    $error = true;
                    $aError[] = 'Introduce una url valida';
                }
            }
            
            
            
            if(!$error){
                $youtube_data = array();
                $youtube_data['title'] = $youtube->getTitle();
                $youtube_data['published'] = $youtube->getPublished();
                $youtube_data['description'] = $youtube->getDescription();
                $youtube_data['url'] = $youtube->getUrl();
                $youtube_data['url_image'] = $youtube->getUrlImage('default');
                $youtube_data['embed'] = $youtube->getEmbeb(620, 370);
                
                $json_data = json_encode($youtube_data);
            }else{
                $json_data = json_encode($aError);
            } 
   

la_clase_de_youtube.php

Código PHP:

  <?php
/*
 * Name: Simple Class Info YouTube
 * Description: Get Information of video YouTube
 * Development: Chuecko
 * Site: http://www.zarpele.com.ar
 * License: GNU GENERAL PUBLIC LICENSE (http://www.gnu.org/licenses/gpl.html)
 * Version: 1.0
 */
 
class Youtube
{
    var $data = '';
    var $id = '';
 
    public function __construct($id)
    {
        if (strlen($id) >=22)
        {
            parse_str( parse_url( $id, PHP_URL_QUERY ) );
            $this->id = $v;
        }
        else
        {
            $this->id=$id;
        }
 
        $url = "http://gdata.youtube.com/feeds/videos/".$this->id;
        $browser_id = "none";
        $curl_handle = curl_init();
        $options = array
        (
            CURLOPT_URL=>$url,
            CURLOPT_HEADER=>false,
            CURLOPT_RETURNTRANSFER=>true,
            CURLOPT_USERAGENT=>$browser_id
        );
        curl_setopt_array($curl_handle,$options);
        $server_output = curl_exec($curl_handle);
        curl_close($curl_handle);
 
        $this->data=$server_output;
    }
 
    public function getTitle()
    {
        $startString = "<media:title type='plain'>";
        $endString = "</media:title>";
 
        $tempString = strstr($this->data, $startString);
 
        $endLocation = strpos($tempString, $endString);
        $title = substr($tempString, 0, $endLocation);
 
        if (empty($title))
        {
            $title=false;
        }
        else
        {
            $title=substr($title,strlen($startString));
        }
 
        return $title;
    }
 
    public function getPublished()
    {
        $startString = "<published>";
        $endString = "</published>";
 
        $starLocation = strpos($this->data, $startString);
        $tempString = substr($this->data, $starLocation);
 
        $endLocation = strpos($tempString, $endString);
        $published = substr($tempString, 0, $endLocation);
 
        if (empty($published))
        {
            $published=false;
        }
        else
        {
            $published=substr($published,strlen($startString));
            $published=substr($published,0,10);
        }
 
        return $published;
    }
 
    public function getDescription()
    {
        $startString = "<media:description type='plain'>";
        $endString = "</media:description>";
 
        $starLocation = strpos($this->data, $startString);
        $tempString = substr($this->data, $starLocation);
 
        $endLocation = strpos($tempString, $endString);
        $description = substr($tempString, 0, $endLocation);
 
        if (empty($description))
        {
            $description=false;
        }
        else
        {
            $description=substr($description,strlen($startString));
        }
 
        return $description;
    }
 
    public function getMetaTags()
    {
        $startString = "<media:keywords>";
        $endString = "</media:keywords>";
 
        $starLocation = strpos($this->data, $startString);
        $tempString = substr($this->data, $starLocation);
 
        $endLocation = strpos($tempString, $endString);
        $metaTags = substr($tempString, 0, $endLocation);
 
        if (empty($metaTags))
        {
            $metaTags=false;
        }
        else
        {
            $metaTags=substr($metaTags,strlen($startString));
        }
 
        return $metaTags;
    }
 
    public function getUrl()
    {
        return "http://www.youtube.com/watch?v=".$this->id;
    }
 
    public function getUrlImage($option)
    {
        if($option=='default')
        {
            return 'http://i.ytimg.com/vi/'.$this->id.'/default.jpg';
        }
        if($option=='grande')
        {
            return 'http://i.ytimg.com/vi/'.$this->id.'/0.jpg';
        }
        if($option==1)
        {
            return 'http://i.ytimg.com/vi/'.$this->id.'/1.jpg';
        }
        if($option==2)
        {
            return 'http://i.ytimg.com/vi/'.$this->id.'/2.jpg';
        }
        if($option==3)
        {
            return 'http://i.ytimg.com/vi/'.$this->id.'/3.jpg';
        }
    }
 
    public function getEmbeb($width, $height)
    {
        $autoplay = 1;
        return '<iframe class="youtube-player" type="text/html" width="'.$width.'" height="'.$height.'" src="http://www.youtube.com/embed/'.$this->id.'?autoplay='.$autoplay.'" frameborder="0">
        </iframe>';
    }
 
}