using yql to access flickr photos via api

yql_flickr.php

<!-->
Following code gets information about photos from Flickr via YQL for the given search term

Author : avinash
Email : [email protected]

<-->

<h2>Using YQL to Access the Flickr API</h2>
<form name='upcoming_form'>
Search: <input name='keyword' id='keyword' type='text' size='20'/><br/>

<p><button id='find_event'>Find Photo</button></p>
</form>


<?php 

   $yql_base_url = "http://query.yahooapis.com/v1/public/yql";
  
   if(isset($_GET['keyword'])){
     
    	 $keyword = $_GET['keyword'];  

    	//query for searching photo and getting related information to it
	$yql_query = "select * from flickr.photos.info where photo_id in (select id from flickr.photos.search where text='$keyword')";
	
	//generating url
	$yql_query_url = $yql_base_url . "?q=" . urlencode($yql_query);
	
	//getting the result output in json format
	$yql_query_url .= "&format=json";
	

	$session = curl_init($yql_query_url);
	
	curl_setopt($session, CURLOPT_RETURNTRANSFER,true);
	
	$json = curl_exec($session);
	
	$flickrObj = json_decode($json);
	
		foreach($flickrObj->query->results->photo as $photo) {

			echo "<br/>";
			echo "ID : ".$photo->id;
			echo "<br/>";
			echo "Title : ".$photo->title;
			echo "<br/>";
			echo "Description : ".$photo->description;
			echo "<br/>";
			echo "Uploaded Date : ".$photo->dateuploaded;
			echo "<br/>";
			echo "Owner : ".$photo->owner->realname;
			echo "<br/>";
			echo "Photo Taken On : ".$photo->dates->taken;
			echo "<br/>";
			echo "Link : ".$photo->urls->url->content ;
			echo "<br/>";
	  		
	  		//generate url for display photos of size medium
	  		$url = $source = "http://farm".$photo->farm.".static.flickr.com/".$photo->server."/".$photo->id."_".$photo->secret."_m.jpg";

			?>
			<img src=<?php echo $url; ?>>
			<?php
		}


	}
		
	unset($_GET);
?>