base_path = ABSPATH;
$this->base_url = get_home_url() . '/';
$this->default_critical_path = $this->base_path . 'wp-content/awpp/critical/';
$this->options = get_option( awpp_get_instance()->Settings->settings_option );
if ( ! file_exists( $this->default_critical_path ) ) {
mkdir( $this->default_critical_path, 0777, true );
}
}
public function run() {
add_action( 'admin_init', [ $this, 'register_settings' ] );
add_action( 'admin_bar_menu', [ $this, 'add_toolbar_item' ] );
if ( awpp_is_frontend() && 'off' != $this->options['loadcss'] ) {
add_action( 'wp_head', [ $this, 'add_critical_css' ], 1 );
}
}
/**
* Settings
*/
public function register_settings() {
register_setting( awpp_get_instance()->Settings->settings_group, awpp_get_instance()->Settings->settings_option, [ $this, 'update_file' ] );
add_settings_field( 'criticalcss', __( 'Critical CSS', 'awpp' ), [ $this, 'section_callback' ], awpp_get_instance()->Settings->settings_page, awpp_get_instance()->Settings->settings_section );
}
public function section_callback() {
$path = apply_filters( 'awpp_critical_dir', $this->default_critical_path );
if ( $path != $this->default_critical_path ) {
echo '' . __( 'Custom critical directory found:', 'awpp' ) . ' ' . $path . '
';
if ( ! is_dir( $path ) ) {
echo '' . __( 'Folder does not exist!', 'awpp' ) . '
';
}
if ( ! is_file( $path . 'index.css' ) ) {
echo '' . __( 'index.css does not exist!', 'awpp' ) . '
';
}
return;
}
$file = $this->default_critical_path . 'index.css';
if ( ! file_exists( $file ) ) {
fopen( $file, 'w' );
}
$key = 'criticalcss';
$file_url = str_replace( $this->base_path, $this->base_url, $file );
$val = file_get_contents( $file );
printf( '', awpp_get_instance()->Settings->settings_option, $key, $val );
echo "File: $file_url
";
}
public function update_file( $input ) {
if ( apply_filters( 'awpp_critical_dir', $this->default_critical_path ) != $this->default_critical_path ) {
return $input;
}
$css = $input['criticalcss'];
if ( ! isset( $input['criticalcss'] ) ) {
return $input;
}
$path = plugin_dir_path( awpp_get_instance()->file ) . 'Classes/Libs';
require_once $path . '/minify/autoload.php';
require_once $path . '/path-converter/autoload.php';
$minifier = new \MatthiasMullie\Minify\CSS( $css );
$minifier->minify( $this->default_critical_path . 'index.css' );
return $input;
}
/**
* Toolbar
*/
public function add_toolbar_item( $wp_admin_bar ) {
$html = '';
$html .= '';
$html .= '';
$args = [
'id' => awpp_get_instance()->Settings->adminbar_id . '-criticalcss',
'parent' => awpp_get_instance()->Settings->adminbar_id,
'title' => 'Critical CSS',
'href' => '',
'meta' => [
'class' => awpp_get_instance()->prefix . '-adminbar-criticalcss ' . $this->options['loadcss'],
],
];
if ( awpp_is_frontend() && 'off' != $this->options['loadcss'] ) {
$args['meta']['html'] = '' . $html . '
';
}
$wp_admin_bar->add_node( $args );
}
/**
* Header Output
*/
public function add_critical_css() {
$path = apply_filters( 'awpp_critical_dir', $this->default_critical_path );
$critical_id = '';
$ids = array_reverse( awpp_get_critical_keys() );
foreach ( $ids as $id ) {
if ( file_exists( $path . $id . '.css' ) ) {
$critical_id = $id;
break;
}
}
$content = "/*\n";
$content .= "Critical CSS: set by Advanced WP Performance.\n";
if ( is_user_logged_in() ) {
$critical_url = str_replace( ABSPATH, get_home_url() . '/', $path . $critical_id . '.css' );
$content .= "\nDebug Information (for logged in users):\n";
$content .= "- Critical ID: $critical_id\n";
$content .= "- File: $critical_url\n";
}
if ( '' == $critical_id ) {
$content .= "\nError: Critical CSS File not found!\n";
$content .= "*/\n";
} else {
$content .= "*/\n";
$content .= file_get_contents( $path . $critical_id . '.css' );
}
echo "";
}
}