get();
$tag = '' . "\n";
if ($print) {
echo $tag;
} else {
return $tag;
}
}
/**
* Print a style that will be loaded async using 'preload'
*
* @param string $href
* @param string $media
* @return void
*/
public static function async_style($href, $media = 'all') {
echo '' . "\n";
// fix for firefox not supporting preload
echo '' . "\n";
echo '' . "\n";
echo '' . "\n";
}
/**
* Print a style that will be loaded by JS
*
* @param string $href
* @return void
*/
public static function exclude_style($href) {
$wpo_minify_options = wp_optimize_minify_config()->get();
// make a stylesheet, hide from PageSpeedIndex
$cssguid = 'wpo_min'.hash('adler32', $href);
echo '' . "\n";
}
/**
* Inline a single style
*
* @param string $handle
* @param string $href
* @return boolean
*/
public static function inline_style($handle, $href) {
$wpo_minify_options = wp_optimize_minify_config()->get();
// font awesome processing, inline
// download, minify, cache
$tkey = 'css-'.hash('adler32', $href).'.css';
$json = WP_Optimize_Minify_Cache_Functions::get_transient($tkey);
if (false === $json) {
$json = WP_Optimize_Minify_Functions::download_and_minify($href, null, $wpo_minify_options['enable_css_minification'], 'css', $handle);
if ($wpo_minify_options['debug']) {
echo "" . "\n";
}
WP_Optimize_Minify_Cache_Functions::set_transient($tkey, $json);
}
// decode
$res = json_decode($json, true);
// add font-display
// https://developers.google.com/web/updates/2016/02/font-display
$res['code'] = str_ireplace('font-style:normal;', 'font-display:block;font-style:normal;', $res['code']);
// inline css or fail
if (false != $res['status']) {
echo '' . "\n";
return true;
} else {
return false;
}
}
/**
* Print a normal style tag pointing the href
*
* @param string $href
* @return void
*/
public static function style($href) {
echo '' . "\n";
}
/**
* Write header
*
* @param string $file
* @param string $headers
* @return void
*/
public static function write_header($file, $headers) {
file_put_contents($file, $headers);
WP_Optimize_Minify_Cache_Functions::fix_permission_bits($file);
}
/**
* Write CSS
*
* @param string $file
* @param string $code
* @param string $log
* @return void
*/
public static function write_combined_asset($file, $code, $log) {
file_put_contents($file.'.json', json_encode($log));
file_put_contents($file, $code);
// permissions
WP_Optimize_Minify_Cache_Functions::fix_permission_bits($file.'.json');
WP_Optimize_Minify_Cache_Functions::fix_permission_bits($file);
if (function_exists('gzencode')) {
file_put_contents($file.'.gz', gzencode(file_get_contents($file), 9));
WP_Optimize_Minify_Cache_Functions::fix_permission_bits($file.'.gz');
}
// brotli static support
if (function_exists('brotli_compress')) {
file_put_contents($file.'.br', brotli_compress(file_get_contents($file), 11));
WP_Optimize_Minify_Cache_Functions::fix_permission_bits($file.'.br');
}
}
/**
* Load async scripts with callback
*
* @return void
*/
public static function add_load_async() {
$min_or_not_internal = (defined('SCRIPT_DEBUG') && SCRIPT_DEBUG) ? '' : '-'. str_replace('.', '-', WPO_VERSION). '.min';
$contents = file_get_contents(trailingslashit(WPO_PLUGIN_MAIN_PATH) . "js/loadAsync$min_or_not_internal.js");
echo "\n";
}
/**
* Defer CSS globally from the header (order matters)
* Dev: https://www.filamentgroup.com/lab/async-css.html
*
* @return void
*/
public static function add_load_css() {
$min_or_not_internal = (defined('SCRIPT_DEBUG') && SCRIPT_DEBUG) ? '' : '-'. str_replace('.', '-', WPO_VERSION). '.min';
$contents = file_get_contents(trailingslashit(WPO_PLUGIN_MAIN_PATH) . "js/loadCSS$min_or_not_internal.js");
echo "" . "\n";
}
}