Include CSS with PHP without including wp-load?

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I have a CSS-file generated from PHP.

In my file it says…

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header("Content-type: text/css");
define('WP_USE_THEMES', false);
include '../../../../wp-load.php';

I’ve read that including wp-load.php like this is not good. Why I do this is to get the environment in there.

What is the “correct” way of doing this?

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1 comment

  1. EDIT

    Forget my answer below. You could simply use wp_register_style and wp_enqueue_style described in this answer.

    You could do it with an additional query variable.

    1. Add a new variable to the $query_vars array with the query_vars filter

    2. On the template_redirect action, make sure your custom.php-css file is included, if the query variable is set.

      // functions.php
function wpse26013_add_query_vars(query_vars) {
    $query_vars[] = 'style';
    return $query_vars;
}
add_filter('query_vars', 'wpse26013_add_query_vars');

function wpse26013_include_custom_css() {
    $style = get_query_var('style');

    if($style == 'custom') {
        include_once(get_stylesheet_directory_uri() . '/css/custom.php');
        return;
    }
}
add_action('template_redirect', 'wpse26013_include_custom_css');

    Then you can add a simple css include in your header file.

    // header.php
<link rel="stylesheet" type="text/css" media="all" href="<?php bloginfo('stylesheet_url') . '/css/?style=custom'; ?>" />

    Last but not least, you have to define your custom css file.

    // custom.php
<?php
header('Content-type: text/css');
header("Cache-Control: must-revalidate");
header('Expires: ' . gmdate('D, d M Y H:i:s', time() + 1209600) . ' GMT');

$options = get_option('webeo');
?>
#header #logo {
    background: url('<?php echo get_stylesheet_directory_uri() . '/images/' . $options['header']['site_logo']; ?>') no-repeat;
}

    You could also get the contents from the css file with the builtin PHP function file_get_contents() and print the css directly to the sourcecode.