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September 15, 2017 17:49
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A simple multipurpose php youtube url parser, this was used for specific needs so it is not really generic.
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| <?php | |
| class YoutubeUrlParser | |
| { | |
| const REGULAR_URL_FORMAT = '/^https?:\/\/(www\.)?youtube\.com\/watch/'; | |
| const EMBEDDED_URL_FORMAT = '/^https?:\/\/(www\.)?youtube\.com\/embed/'; | |
| const SHARE_URL_FORMAT = '/^https?:\/\/(www\.)?youtu\.be\//'; | |
| private $originalUrl; | |
| private $videoId; | |
| public function __construct($url) | |
| { | |
| $this->originalUrl = $url; | |
| } | |
| public function videoId() | |
| { | |
| if($this->videoId) return $this->videoId; | |
| $urlParts = parse_url($this->originalUrl); | |
| $urlQuery = []; | |
| $queryStr = array_get($urlParts, 'query', ''); | |
| $pathUrl = array_get($urlParts, 'path', ''); | |
| parse_str($queryStr, $urlQuery); | |
| if($this->isRegular()){ | |
| return $this->videoId = $urlQuery['v']; | |
| } | |
| if($this->isShareOrEmbedded()){ | |
| $splittedPath = explode('/', $pathUrl); | |
| return $this->videoId = end($splittedPath); | |
| } | |
| } | |
| public function isValid(){ | |
| return $this->isRegular() || $this->isShareOrEmbedded(); | |
| } | |
| private function isRegular() | |
| { | |
| return preg_match(self::REGULAR_URL_FORMAT, $this->originalUrl); | |
| } | |
| private function isShareOrEmbedded() | |
| { | |
| return preg_match(self::SHARE_URL_FORMAT, $this->originalUrl) | |
| || preg_match(self::EMBEDDED_URL_FORMAT, $this->originalUrl); | |
| } | |
| public function thumbnailUrl() | |
| { | |
| return 'https://img.youtube.com/vi/' . $this->videoId() . '/hqdefault.jpg'; | |
| } | |
| public function embeddedUrl() | |
| { | |
| return 'http://www.youtube.com/embed/' . $this->videoId(); | |
| } | |
| public function url() | |
| { | |
| return 'https://youtu.be/'. $this->videoId(); | |
| } | |
| public function __toString() | |
| { | |
| return $this->embeddedUrl(); | |
| } | |
| } |
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