Получение id видео youtube $url - url видео youtube

getYoutubeIdFromURL.php

public function getYouTubeIdFromURL($url) {
	$pattern = 
		'%^				# Match any youtube URL
		(?:https?://)?  # Optional scheme. Either http or https
		(?:www\.)?      # Optional www subdomain
		(?:             # Group host alternatives
		  youtu\.be/    # Either youtu.be,
		| youtube\.com  # or youtube.com
		  (?:           # Group path alternatives
			/embed/     # Either /embed/
		  | /v/         # or /v/
		  | /watch\?v=  # or /watch\?v=
		  )             # End path alternatives.
		)               # End host alternatives.
		([\w-]{10,12})  # Allow 10-12 for 11 char youtube id.
		$%x';
	$result = preg_match($pattern, $url, $matches);
	if (false !== $result) return $matches[1];
	return false;
}