function wp_css_clean($buffer)
{
global $wp_css;
$buffer = wp_css_fix_urls($buffer);
// $buffer = wp_css_fix_font_face($buffer);
$files = wp_css_get_css_imports($buffer);
$buffer = $files['buffer'];
$buffer = str_replace(array("\r\n", "\r", "\n", "\t"), '', $buffer);
$array['imports'] = $files['files'];
$array['file'] = $wp_css['file'];
if (wp_css_is_directory_writable('cache')) {
wp_css_create_file(wp_css_filename($wp_css['file']), $buffer);
wp_css_create_file(wp_css_filename($wp_css['file'], '.txt'), serialize($array));
}
return $buffer;
}
function wp_css_get_css_imports($buffer)
{
global $wp_css;
$file_path = $wp_css['path'];
if (isset($wp_css['dir'])) {
$file_path .= $wp_css['dir'] . '/';
}
$inner_file_string = '';
$files_found = wp_css_find_css_imports($buffer);
if (count($files_found) == 0) {
$inner_file_string = wp_css_fix_urls($file_string);
$file_string .= $inner_file_string . "\n\n";
} else {
foreach ($files_found as $inner_file) {
// if import url('file.css') doesn't exist skip it
if (!file_exists($file_path . $inner_file[1])) {
$buffer = str_replace($inner_file[0], '', $buffer);
continue;
}
$inner_file_string = wp_css_fix_urls(file_get_contents($file_path . $inner_file[1]));
$inner_file_string = "/* ---- " . $inner_file[1] . " ---- */\n" . $inner_file_string . "\n\n";
$buffer = str_replace($inner_file[0], $inner_file_string, $buffer);
}
//foreach
}
//else
return array('buffer' => $buffer, 'files' => $files_found);
}
