Youtube API - Extract video ID

user_295654 0
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I am coding a functionality that allows users to enter a Youtube video URL. I would like to extract the video ID from these urls.

Does Youtube API support some kind of function where I pass the link and it gives the video ID in return. Or do I have to parse the string myself?

I am using PHP ... I would appreciate any pointers / code samples in this regard.

Thanks

youtube php
9 Answers

For JAVA developers

Got this working for me, also supports no-cookie url's:

    private static final Pattern youtubeId = Pattern.compile("^(?:https?\\:\\/\\/)?.*(?:youtu.be\\/|vi?\\/|vi?=|u\\/\\w\\/|embed\\/|(watch)?vi?=)([^#&?]*).*$");


    @VisibleForTesting
    String getVideoId(final String url) {
        final Matcher matcher = youtubeId.matcher(url);
        if(matcher.find()){
            return matcher.group(2);
        }
        return "";
    }

Some test to check youtube url's

    @ParameterizedTest
    @MethodSource("youtubeTestUrls")
    void videoIdFromUrlTest(final String url, final String videoId) {

        final String matchedVidID = this.youtubeService.getVideoId(url);

        assertEquals(videoId, matchedVidID);
    }

    private static Stream<Arguments> youtubeTestUrls() {
        return Stream.of(
                Arguments.of("www.youtube-nocookie.com/embed/dQw4-9W_XcQ?rel=0", "dQw4-9W_XcQ"),
                Arguments.of("http://www.youtube.com/user/Scobleizer#p/u/1/dQw4-9W_XcQ", "dQw4-9W_XcQ"),
                Arguments.of("http://www.youtube.com/watch?v=dQw4-9W_XcQ&feature=channel", "dQw4-9W_XcQ"),
                Arguments.of("http://www.youtube.com/watch?v=dQw4-9W_XcQ&playnext_from=TL&videos=osPknwzXEas&feature=sub", "dQw4-9W_XcQ"),
                Arguments.of("http://www.youtube.com/ytscreeningroom?v=dQw4-9W_XcQ", "dQw4-9W_XcQ"),
                Arguments.of("http://www.youtube.com/user/SilkRoadTheatre#p/a/u/2/dQw4-9W_XcQ", "dQw4-9W_XcQ"),
                Arguments.of("http://youtu.be/dQw4-9W_XcQ", "dQw4-9W_XcQ"),
                Arguments.of("http://www.youtube.com/watch?v=dQw4-9W_XcQ&feature=youtu.be", "dQw4-9W_XcQ"),
                Arguments.of("http://youtu.be/dQw4-9W_XcQ", "dQw4-9W_XcQ"),
                Arguments.of("https://www.youtube.com/user/Scobleizer#p/u/1/dQw4-9W_XcQ?rel=0", "dQw4-9W_XcQ"),
                Arguments.of("http://www.youtube.com/watch?v=dQw4-9W_XcQ&playnext_from=TL&videos=dQw4-9W_XcQ&feature=sub", "dQw4-9W_XcQ"),
                Arguments.of("http://www.youtube.com/ytscreeningroom?v=dQw4-9W_XcQ", "dQw4-9W_XcQ"),
                Arguments.of("http://www.youtube.com/embed/dQw4-9W_XcQ?rel=0", "dQw4-9W_XcQ"),
                Arguments.of("https://www.youtube.com/watch?v=dQw4-9W_XcQ", "dQw4-9W_XcQ"),
                Arguments.of("http://youtube.com/v/dQw4-9W_XcQ?feature=youtube_gdata_player", "dQw4-9W_XcQ"),
                Arguments.of("http://youtube.com/vi/dQw4-9W_XcQ?feature=youtube_gdata_player", "dQw4-9W_XcQ"),
                Arguments.of("http://youtube.com/?v=dQw4-9W_XcQ&feature=youtube_gdata_player", "dQw4-9W_XcQ"),
                Arguments.of("http://www.youtube.com/watch?v=dQw4-9W_XcQ&feature=youtube_gdata_player", "dQw4-9W_XcQ"),
                Arguments.of("http://youtube.com/?vi=dQw4-9W_XcQ&feature=youtube_gdata_player", "dQw4-9W_XcQ"),
                Arguments.of("https://youtube.com/watch?v=dQw4-9W_XcQ&feature=youtube_gdata_player", "dQw4-9W_XcQ"),
                Arguments.of("http://youtube.com/watch?vi=dQw4-9W_XcQ&feature=youtube_gdata_player", "dQw4-9W_XcQ"),
                Arguments.of("http://youtu.be/dQw4-9W_XcQ?feature=youtube_gdata_player", "dQw4-9W_XcQ"),
                Arguments.of("https://www.youtube.com/watch?v=yYw2Q141thM&list=PLOwEeBApnYoUFioRitjwz-DREzFGOSgiE&index=2", "yYw2Q141thM"),
                Arguments.of("https://www.youtube.com/watch?", "")
        );
    }
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