PHP Twitter Image grabber

gistfile1.php

<?php

if( isset($_GET['username']) ){

  $user = mysql_real_escape_string(  strip_tags( $_GET['username'] ));
	$ext = '';
	echo "<p>";
	for( $i = 1; $i<100; $i++ ){
		
		if( $i>1 ){
			$ext = "&username=".$user;
		}

		echo '<a href="?page='.$i.$ext.'">'.$i."</a>&nbsp;|&nbsp; ";
	}
	echo "</p>";
	

	$page = isset($_GET['page'] ) ? (int) $_GET['page'] : 1;


	$file = "https://api.twitter.com/1/statuses/user_timeline.json?include_entities=true&include_rts=true&screen_name=".$user."&count=200&page=".$page;

	$tweets = json_decode(file_get_contents($file));
	

	if($tweets){
		foreach($tweets as $tweet){

				if(isset($tweet->entities->media)){

					foreach($tweet->entities->media as $m){
						//var_dump($m);
						if($m->type=='photo'){
							echo "<a href='".$m->media_url.":large'><img src='".$m->media_url.":thumb' /></a> &nbsp;";
						}						
					}
				}
		}
	}

}else{

?>


<form method="GET">
	User: <input type="text" name="username" />
	<input type="submit" value="Go" name="submit">

</form>

<?php } ?>