How to check if a url points to a valid video
<?php
function isVideo($url){
$url = get_headers($url,1);
if(is_array($url['Content-Type'])){ //In some responses Content-type is an array
$video = strpos($url['Content-Type'][1],'video');
}else{
$video = strpos($url['Content-Type'],'video');
}
if($video !== false)
return true;
return false;
}
?>