Parse url to get rid of all parameters after the first - php

Question

From what I understand youtube.com uses three types of urls for their video links.
http://www.youtube.com/watch?v=8uLPtmCroQ8&feature=related
http://www.youtube.com/watch?v=8uLPtmCroQ8
http://youtu.be/8uLPtmCroQ8
I get this url submitted to my site in any one of these different ways and I store the url into a custom field called $video_code. I need to strip it of any parameters that come after the id of the video so if a user submit the first url above, &feature=related gets stripped. I'm using php.

Answer 1

If I understand your problem correctly, You could use something like this to store the video id in the databse and then construct the url as you like.
function getVideoId($url)
{
$parsedUrl = parse_url($url);
if ($parsedUrl === false)
return false;
if (!empty($parsedUrl['query']))
{
$query = array();
parse_str($parsedUrl['query'], $query);
if (!empty($query['v']))
return $query['v'];
}
if (in_array(strtolower($parsedUrl['host']), array('youtu.be', 'www.youtu.be')))
return trim($parsedUrl['path'], '/');
return false;
}
$input = array('http://www.youtube.com/watch?v=8uLPtmCroQ8&feature=related', 'http://www.youtube.com/watch?v=8uLPtmCroQ8', 'http://youtu.be/8uLPtmCroQ8');
foreach ($input as $url)
{
echo getVideoId($url) . PHP_EOL;
}

Answer 2

In which language did you want to this? If it is in PHP you should look at this.

Answer 3

You could also do a regular expressions to split the string. Take a look here: http://www.php.net/manual/en/function.preg-split.php

Answer 4

Use this code:
$arr=array(
'http://www.youtube.com/watch?v=8uLPtmCroQ8&feature=related',
'http://www.youtube.com/watch?v=8uLPtmCroQ8',
'http://youtu.be/8uLPtmCroQ8',
);
for($i=0; $i<count($arr); $i++){
$urlarr = parse_url($arr[$i]);
if (!empty($urlarr['query'])) {
parse_str($urlarr['query']);
$qarr = array();
if (!empty($v))
$qarr['v'] = $v;
$urlarr['query'] = http_build_query($qarr);
$arr[$i] = http_build_url('', $urlarr);
}
}
print_r($arr);
OUTPUT:
Array
(
[0] => http://www.youtube.com/watch?v=8uLPtmCroQ8
[1] => http://www.youtube.com/watch?v=8uLPtmCroQ8
[2] => http://youtu.be/8uLPtmCroQ8
)

Answer 5

function getVideoCode($url){
$videoCode;
$code_parse = parse_url($url);
if(empty($code_parse["query"])){
$videoCode = str_replace("/"," ",$code_parse["path"]);
}else{
$videoCode = clearQuery($code_parse["query"]);
}
echo $videoCode;
}
function clearQuery($query){
$redundant = array("v", "&", "feature","=","related");
return str_replace($redundant," ",$query);
}
It is not a professional code but It's easy to understand.When I call like this:
getVideoCode("http://youtu.be/8uLPtmCroQ8");
getVideoCode("http://www.youtube.com/watch?v=8uLPtmCroQ8");
getVideoCode("http://www.youtube.com/watch?v=8uLPtmCroQ8&feature=related");
The Output is
8uLPtmCroQ8
8uLPtmCroQ8
8uLPtmCroQ8