【ワードプレス】ツイキャス（TwitCasting）を自動メディアリンクに対応させる方法

functions.php

wp_embed_register_handler(
	'twitcasting',
	'#http://twitcasting.tv/(.*)$#i',
	function($m, $attr, $url, $rawattr){
		$width = 320;
		$height = 198;
		return <<< __EOS__
			<object	classid="clsid:d27cdb6e-ae6d-11cf-96b8-444553540000" codebase="http://download.macromedia.com/pub/shockwave/cabs/flash/swflash.cab#version=10,0,0,0" width="{$width}" height="{$height}" id="livestreamer" align="middle">
			<param name="allowScriptAccess" value="always" />
			<param name="allowFullScreen" value="true" />
			<param name="flashVars" value="user={$m[1]}&lang=ja&mute=0&cupdate=0&offline=" />
			<param name="movie" value="http://twitcasting.tv/swf/livestreamer2sp.swf" />
			<param name="quality" value="high" />
			<param name="bgcolor" value="#ffffff" />
			<embed src="http://twitcasting.tv/swf/livestreamer2sp.swf" quality="high" bgcolor="#ffffff" width="{$width}" height="{$height}" name="livestreamer" id="livestreamderembed" align="middle" allowScriptAccess="always" allowFullScreen="true" type="application/x-shockwave-flash" pluginspage="http://www.adobe.com/go/getflashplayer" flashVars="user={$m12]}&lang=ja&mute=0&cupdate=0&offline=" >
			</object>
__EOS__;
	}
 );