psy

/**
* youtube.com
*/
$sText = preg_replace('/<video>http:\/\/(?:www\.|)youtube\.com\/watch\?v=([a-zA-Z0-9_\-]+)(&.+)?<\/video>/Ui', '<iframe width="560" height="315" src="http://www.youtube.com/embed/$1" frameborder="0" allowfullscreen></iframe>', $sText);
/**
* vimeo.com
*/
$sText = preg_replace('/<video>http:\/\/(?:www\.|)vimeo\.com\/(\d+).*<\/video>/i', '<iframe src="http://player.vimeo.com/video/$1" width="500" height="281" frameborder="0" webkitAllowFullScreen mozallowfullscreen allowFullScreen></iframe>', $sText);
/**
* rutube.ru
*/
$sText = preg_replace('/<video>http:\/\/(?:www\.|)rutube\.ru\/tracks\/(\d+)\.html.*<\/video>/Ui', '<OBJECT width="470" height="353"><PARAM name="movie" value="http://video.rutube.ru/$1"></PARAM><PARAM name="wmode" value="window"></PARAM><PARAM name="allowFullScreen" value="true"></PARAM><EMBED src="http://video.rutube.ru/$1" type="application/x-shockwave-flash" wmode="window" width="470" height="353" allowFullScreen="true" ></EMBED></OBJECT>', $sText);
/**
* video.yandex.ru
*/
$sText = preg_replace('/<video>http:\/\/video\.yandex\.ru\/users\/([a-zA-Z0-9_\-]+)\/view\/(\d+).*<\/video>/i', '<object width="467" height="345"><param name="video" value="http://video.yandex.ru/users/$1/view/$2/get-object-by-url/redirect"></param><param name="allowFullScreen" value="true"></param><param name="scale" value="noscale"></param><embed src="http://video.yandex.ru/users/$1/view/$2/get-object-by-url/redirect" type="application/x-shockwave-flash" width="467" height="345" allowFullScreen="true" scale="noscale" ></embed></object>', $sText);
/**
* vk.com
*/
$sText = preg_replace('/<video>http:\/\/vk\.com\/(.*)<\/video>/Ui', '<iframe src="http://vk.com/$1" width="607" height="360" frameborder="0"></iframe>', $sText);
/**
* coub.com
*/
$sText = preg_replace('/<video>http:\/\/(?:www\.|)coub\.com\/view\/(\w+).*<\/video>/i', '<iframe src="http://coub.com/embed/$1?muted=false&autostart=false&originalSize=false&hideTopBar=false&noSiteButtons=false&startWithHD=false" allowfullscreen="true" frameborder="0" width="640" height="480"></iframe>', $sText);
return $sText;