<?php
/*
* Disable error reporting.
*
* Set this to error_reporting( -1 ) for debugging.
*/
error_reporting( 0 );
// Set ABSPATH for execution.
if ( ! defined( 'ABSPATH' ) ) {
define( 'ABSPATH', dirname( __DIR__ ) . '/' );
}
define( 'WPINC', 'wp-includes' );
define( 'WP_CONTENT_DIR', ABSPATH . 'wp-content' );
require ABSPATH . 'wp-admin/includes/noop.php';
require ABSPATH . WPINC . '/theme.php';
require ABSPATH . WPINC . '/class-wp-theme-json-resolver.php';
require ABSPATH . WPINC . '/global-styles-and-settings.php';
require ABSPATH . WPINC . '/script-loader.php';
require ABSPATH . WPINC . '/version.php';
$protocol = $_SERVER['SERVER_PROTOCOL'];
if ( ! in_array( $protocol, array( 'HTTP/1.1', 'HTTP/2', 'HTTP/2.0', 'HTTP/3' ), true ) ) {
$protocol = 'HTTP/1.0';
}
$load = $_GET['load'];
if ( is_array( $load ) ) {
ksort( $load );
$load = implode( '', $load );
}
$load = preg_replace( '/[^a-z0-9,_-]+/i', '', $load );
$load = array_unique( explode( ',', $load ) );
if ( empty( $load ) ) {
header( "$protocol 400 Bad Request" );
exit;
}
$rtl = ( isset( $_GET['dir'] ) && 'rtl' === $_GET['dir'] );
$expires_offset = 31536000; // 1 year.
$out = '';
$wp_styles = new WP_Styles();
wp_default_styles( $wp_styles );
$etag = "WP:{$wp_version};";
foreach ( $load as $handle ) {
if ( ! array_key_exists( $handle, $wp_styles->registered ) ) {
continue;
}
$ver = $wp_styles->registered[ $handle ]->ver ? $wp_styles->registered[ $handle ]->ver : $wp_version;
$etag .= "{$handle}:{$ver};";
}
/*
* This is not intended to be cryptographically secure, just a fast way to get
* a fixed length string based on the script versions. As this file does not
* load the full WordPress environment, it is not possible to use the salted
* wp_hash() function.
*/
$etag = 'W/"' . md5( $etag ) . '"';
if ( isset( $_SERVER['HTTP_IF_NONE_MATCH'] ) && stripslashes( $_SERVER['HTTP_IF_NONE_MATCH'] ) === $etag ) {
header( "$protocol 304 Not Modified" );
exit;
}
foreach ( $load as $handle ) {
if ( ! array_key_exists( $handle, $wp_styles->registered ) ) {
continue;
}
$style = $wp_styles->registered[ $handle ];
if ( empty( $style->src ) ) {
continue;
}
$path = ABSPATH . $style->src;
if ( $rtl && ! empty( $style->extra['rtl'] ) ) {
// All default styles have fully independent RTL files.
$path = str_replace( '.min.css', '-rtl.min.css', $path );
}
$content = get_file( $path ) . "\n";
// Note: str_starts_with() is not used here, as wp-includes/compat.php is not loaded in this file.
if ( 0 === strpos( $style->src, '/' . WPINC . '/css/' ) ) {
$content = str_replace( '../images/', '../' . WPINC . '/images/', $content );
$content = str_replace( '../js/tinymce/', '../' . WPINC . '/js/tinymce/', $content );
$content = str_replace( '../fonts/', '../' . WPINC . '/fonts/', $content );
$out .= $content;
} else {
$out .= str_replace( '../images/', 'images/', $content );
}
}
header( "Etag: $etag" );
header( 'Content-Type: text/css; charset=UTF-8' );
header( 'Expires: ' . gmdate( 'D, d M Y H:i:s', time() + $expires_offset ) . ' GMT' );
header( "Cache-Control: public, max-age=$expires_offset" );
echo $out;
exit;