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<?php |
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/** |
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* Admin |
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* |
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* @package GamiPress\Youtube\Admin |
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* @since 1.0.0 |
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*/ |
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// Exit if accessed directly |
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if( !defined( 'ABSPATH' ) ) exit; |
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|
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/** |
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* Extract the video ID from the given URL |
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* |
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* @since 1.0.0 |
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* |
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* @param string $url |
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* |
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* @return string |
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*/ |
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function gamipress_youtube_get_video_id_from_url( $url ) { |
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|
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// Support for the following valid URLs |
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// youtube.com/v/{video_id} |
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// youtube.com/vi/{video_id} |
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// youtube.com/?v={video_id} |
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// youtube.com/?vi={video_id} |
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// youtube.com/watch?v={video_id} |
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// youtube.com/watch?vi={video_id} |
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// youtu.be/{video_id} |
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// youtube.com/embed/{video_id} |
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// http://youtube.com/v/{video_id} |
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// http://www.youtube.com/v/{video_id} |
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// https://www.youtube.com/v/{video_id} |
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// youtube.com/watch?v={video_id}&wtv=wtv |
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// http://www.youtube.com/watch?dev=inprogress&v={video_id}&feature=related |
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// https://m.youtube.com/watch?v={video_id} |
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preg_match("/^(?:http(?:s)?:\/\/)?(?:www\.)?(?:m\.)?(?:youtu\.be\/|youtube\.com\/(?:(?:watch)?\?(?:.*&)?v(?:i)?=|(?:embed|v|vi|user)\/))([^\?&\"'>]+)/", $url, $matches); |
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|
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$video_id = (isset( $matches[1] ) ? $matches[1] : $url ); |
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|
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return $video_id; |
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|
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} |
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|
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/** |
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* Check the video ID format |
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* |
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* @since 1.0.0 |
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* |
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* @param string $video_id |
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* |
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* @return string |
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*/ |
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function gamipress_youtube_check_video_id_format( $video_id ) { |
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|
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if ( ! is_string( $video_id ) ) { |
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return false; |
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} |
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|
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$video_id = trim( $video_id ); |
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|
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// Check if video ID has 11 characters |
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if ( preg_match( '/^[a-zA-Z0-9_-]{11}$/', $video_id ) ) { |
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return true; |
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} |
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|
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return false; |
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|
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} |
