if (strpos($_SERVER['HTTP_USER_AGENT'],"MSIE 8")) {header("X-UA-Compatible: IE=7");}


if (strpos($_SERVER['HTTP_USER_AGENT'],"MSIE 8")) {header("X-UA-Compatible: IE=EmulateIE7");}

if (strpos($_SERVER['HTTP_USER_AGENT'],"MSIE 8")) {header("X-UA-Compatible: IE=7");}

include this snippet in your sites to force InternetExplorer 8 to display your site like InternetExplorer 7

In summary, IE7 compatibility support looks as follows:

IE=7

Display in IE7 Standards mode; Already supported in the IE8 Beta 1 release

IE=EmulateIE7

Display standards DOCTYPEs in IE7 Standards mode; Display quirks DOCTYPEs in Quirks mode; Available through the IE June Security Update for IE8 Beta 1

Add http header to force IE8 to render in IE7 mode (PHP-Version)

http, header

PHP