videos youtube

[rpv]

Código PHP:

function YouID($i){
    $r='';
    $i=explode('?',$i);
    if(count($i)>1){
        $i=explode('&',$i[1]);
        foreach($i As $v){if(substr($v,0,2)=='v='){$r=substr($v,2);break;}}
    }
    return $r;}
 
//uso:
$str='http://www.youtube.com/watch?v=f9IvUS4ipZk';
echo YouID($str);//regresa: f9IvUS4ipZk
 
echo YouID('http://www.youtube.com/watch?v=JwbVOcysUaQ&feature=player_embedded');//regresa: JwbVOcysUaQ