rss-bridge/bridges/InstagramBridge.php

<?php
/**
 * RssBridgeInstagram
 * Returns the newest photos
* 2014-05-25
 *
 * @name Instagram Bridge
* @homepage http://instagram.com/
 * @description Returns the newest images
* @maintainer pauder
 * @use1(u="username")
 */
class InstagramBridge extends BridgeAbstract{
    
    private $request;
    
    public function collectData(array $param){
        $html = '';
        if (isset($param['u'])) {   /* user timeline mode */
            $this->request = $param['u'];
            $html = file_get_html('http://instagram.com/'.urlencode($this->request)) or $this->returnError('Could not request Instagram.', 404);
        }
        else {
            $this->returnError('You must specify a Instagram username (?u=...).', 400);
        }
        
        $innertext = null;
        
        foreach($html->find('script') as $script)
        {
        	if ('' === $script->innertext) {
        		continue;
        	}
        	
        	$pos = strpos(trim($script->innertext), 'window._sharedData');
        	if (0 !== $pos)
        	{
        		continue;
        	}
        	
        	$innertext = $script->innertext;
        	break;
        }

        $json = trim(substr($innertext, $pos+18), ' =;');
        $data = json_decode($json);
        
        
        
        $userMedia = $data->entry_data->ProfilePage[0]->user->media->nodes;

        foreach($userMedia as $media)
        {

        	$item = new \Item();
        	$item->uri = "https://instagram.com/p/".$media->code."/";
        	$item->content = '<img src="' . htmlentities($media->display_src) . '" />';
        	if (isset($media->caption))
        	{
        		$item->title = $media->caption;
        	} else {
        		$item->title = basename($media->display_src);
        	}
        	$item->timestamp = $media->date;
        	$this->items[] = $item;
        	
        }
    }

    public function getName(){
        return (!empty($this->request) ? $this->request .' - ' : '') .'Instagram Bridge';
    }

    public function getURI(){
        return 'http://instagram.com/';
    }

    public function getCacheDuration(){
        return 3600; 
    }
}