WordPress 4.5

[autoinstalls/wordpress.git] / wp-admin / load-styles.php

diff --git a/wp-admin/load-styles.php b/wp-admin/load-styles.php
index 75e655c4d4b6b7491bb235af305182699a67dda9..a461ae268d6898c3c90a1234f91b1a3d0dd9f179 100644 (file)
--- a/wp-admin/load-styles.php
+++ b/wp-admin/load-styles.php
@@ -3,7 +3,7 @@
 /**
  * Disable error reporting
  *
- * Set this to error_reporting( E_ALL ) or error_reporting( E_ALL | E_STRICT ) for debugging
+ * Set this to error_reporting( -1 ) for debugging
  */
 error_reporting(0);
 
@@ -11,91 +11,15 @@ error_reporting(0);
 define( 'ABSPATH', dirname(dirname(__FILE__)) . '/' );
 define( 'WPINC', 'wp-includes' );
 
-/**
- * @ignore
- */
-function __() {}
-
-/**
- * @ignore
- */
-function _x() {}
-
-/**
- * @ignore
- */
-function add_filter() {}
-
-/**
- * @ignore
- */
-function esc_attr() {}
-
-/**
- * @ignore
- */
-function apply_filters() {}
+require( ABSPATH . 'wp-admin/includes/noop.php' );
+require( ABSPATH . WPINC . '/script-loader.php' );
+require( ABSPATH . WPINC . '/version.php' );
 
-/**
- * @ignore
- */
-function get_option() {}
-
-/**
- * @ignore
- */
-function is_lighttpd_before_150() {}
-
-/**
- * @ignore
- */
-function add_action() {}
-
-/**
- * @ignore
- */
-function do_action_ref_array() {}
-
-/**
- * @ignore
- */
-function get_bloginfo() {}
-
-/**
- * @ignore
- */
-function is_admin() {return true;}
-
-/**
- * @ignore
- */
-function site_url() {}
-
-/**
- * @ignore
- */
-function admin_url() {}
-
-/**
- * @ignore
- */
-function wp_guess_url() {}
-
-function get_file($path) {
-
-       if ( function_exists('realpath') )
-               $path = realpath($path);
-
-       if ( ! $path || ! @is_file($path) )
-               return '';
-
-       return @file_get_contents($path);
+$load = $_GET['load'];
+if ( is_array( $load ) ) {
+       $load = implode( '', $load );
 }
-
-require(ABSPATH . '/wp-includes/script-loader.php');
-require(ABSPATH . '/wp-includes/version.php');
-
-$load = preg_replace( '/[^a-z0-9,_-]+/i', '', $_GET['load'] );
+$load = preg_replace( '/[^a-z0-9,_-]+/i', '', $load );
 $load = array_unique( explode( ',', $load ) );
 
 if ( empty($load) )
@@ -110,11 +34,25 @@ $out = '';
 $wp_styles = new WP_Styles();
 wp_default_styles($wp_styles);
 
-foreach( $load as $handle ) {
+if ( isset( $_SERVER['HTTP_IF_NONE_MATCH'] ) && stripslashes( $_SERVER['HTTP_IF_NONE_MATCH'] ) === $wp_version ) {
+       $protocol = $_SERVER['SERVER_PROTOCOL'];
+       if ( ! in_array( $protocol, array( 'HTTP/1.1', 'HTTP/2', 'HTTP/2.0' ) ) ) {
+               $protocol = 'HTTP/1.0';
+       }
+       header( "$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'] ) ) {
@@ -124,17 +62,18 @@ foreach( $load as $handle ) {
 
        $content = get_file( $path ) . "\n";
 
-       if ( strpos( $style->src, '/wp-includes/css/' ) === 0 ) {
-               $content = str_replace( '../images/', '../wp-includes/images/', $content );
-               $content = str_replace( '../js/tinymce/', '../wp-includes/js/tinymce/', $content );
-               $content = str_replace( '../fonts/', '../wp-includes/fonts/', $content );
+       if ( strpos( $style->src, '/' . WPINC . '/css/' ) === 0 ) {
+               $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('Content-Type: text/css');
+header("Etag: $wp_version");
+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");