Well, I probably made this way too complicated, but here the solution
I came up with by googling a bit.
The solution below allows for some variable substitution WITHOUT
altering the CSS file.
The body's font-size attribute is dynamically written according to
the OS as defined in the user agent.
I guess you could have done this with javascript, but I tend to be
more comfortable with php.
If you put the htaccess file in the same directory as the css file,
it appears to work in IE, Firefox, and Safari.
Just make sure the php file is absolutely targeted in the htaccess file.
An example would be:
/home/mydomain.com/www/php/compress_css.php
After hearing about Yahoo's font css from the list, I may use that.
Regardless, variable substitution is a pretty cool concept for
CSS....at least in theory.
htaccess file:
#Run CSS Files in the Directory Through the PHP engine
#Run the script 'compress_css.php' before you run any css files in
this Directory
#
AddHandler application/x-httpd-php .css
php_value auto_prepend_file /home/www/path/to/php/compress_css.php
compress_css.php file:
<?php
ob_start ("compress_css");
// Depending on the OS of the user_agent, create a font-size
attribute for the Body
strstr ($_SERVER['HTTP_USER_AGENT'], "Macintosh") ?
print "body { font-size:76%;}" : /*UserAgent says its a Mac*/
print "body { font-size:100%;} "; /*PC*/
// Read the CSS file directly into this function
// Then, add some headers and compress the file
//
function compress_css($buffer) {
header("Content-type: text/css; charset: UTF-8");
header("Cache-Control: must-revalidate");
$offset = 60 * 60 ;
$ExpStr = "Expires: " .
gmdate("D, d M Y H:i:s", time() + $offset) . " GMT";
header($ExpStr);
// remove comments from the css file
$buffer = preg_replace('!/\*[^*]*\*+([^/][^*]*\*+)*/!', '', $buffer);
// remove tabs, spaces, newlines, etc.
$buffer = str_replace(array("\r\n", "\r", "\n", "\t", ' ', ' ',
' '), '', $buffer);
return $buffer;
}
?>
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