The skeleton file Index.php - Part 6
   <?php defined( '_VALID_MOS' ) or die( 'Restricted access' );
   $iso = explode( '=', _ISO );
   echo '<?xml version="1.0" encoding="'. $iso[1] .'"?' .'>';
   ?>
   <!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
   <html xmlns="http://www.w3.org/1999/xhtml">
       <head>
           <?php mosShowHead(); ?>
           <?php if ( $my->id ) {initEditor(); } ?>
           <meta http-equiv="Content-Type" content="text/html; <?php echo _ISO; ?>" />
           <link href="/<?php echo $mosConfig_live_site;?>/templates/<?php echo $GLOBALS[cur_template];?>/css/template_css.css" rel="stylesheet" type="text/css" />
       </head>
       <body>
       </body>
   </html>
Explanation of the tag <link>
Between <head> and </ head>, it indicates index.php file in the CSS file to search, and with the tag <link />. The attribute "href" of this tag indicates the location of your worksheet template_css.css.
The tag <link />, initially has the following form: <link style = "http://localhost/MonSitePerso \ Templates \ TemplatePerso \ css \ template_css.css" rel = "stylesheet" type = "text / css" />
Using Joomla variables in place of the folder names and file, we can generalize the tag and make it valid for any template.
Joomla! has the variable $ GLOBALS [cur_template] which returns the name of the template and the variable $ mosConfig_live_site which contains the address of the site.
The tag becomes /> <link after replacing the contents of variables by the names of variables:
<link href = "<? php echo $ mosConfig_live_site;> / templates / <? php echo $ GLOBALS [cur_template ];?>/ css / template_css.css" rel = "stylesheet" type = "text / css" />
In doing so, the skeleton of your index.php file will be valid whatever the name of the site and all your future templates. The code in this way is well optimized.
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