Hiermit könnte es gehen (nicht vom PHP irritieren lassen, ist HTML):
$this->cacheCode('[php]','<div style="width:100%; height:100%;">
<object classid="clsid

27CDB6E-AE6D-11cf-96B8-444553540000"
codebase="http://download.macromedia.com/pub/shockwave/cabs/flash/swflash.cab#version=9,0,28,0"
height="100%" width="100%">
<param name="movie" value="[SWF]">
<param name="flashvars" value="xml=[XML]">
<param name="allowFullScreen" value="true">
<param name="allowScriptAccess" value="true">
<embed src="[SWF]"
pluginspage="http://www.macromedia.com/go/getflashplayer"
height="100%" width="100%" allowFullScreen="true" allowScriptAccess="always"
flashvars="xml=[XML]" />
</object>
</div>')