Ticket #52879: 52879.patch

src/wp-admin/load-scripts.php

@@ -33 +33 @@
         exit;
 }
 
+if ( isset( $_GET['script_debug'] ) && ! defined( 'SCRIPT_DEBUG' ) ) {
+        $script_debug = 'true' === $_GET['script_debug'];
+        define( 'SCRIPT_DEBUG', $script_debug );
+}
+
 require ABSPATH . 'wp-admin/includes/noop.php';
 require ABSPATH . WPINC . '/script-loader.php';
 require ABSPATH . WPINC . '/version.php';

src/wp-admin/load-styles.php

@@ -14 +14 @@
 
 define( 'WPINC', 'wp-includes' );
 
+if ( isset( $_GET['script_debug'] ) && ! defined( 'SCRIPT_DEBUG' ) ) {
+        $script_debug = 'true' === $_GET['script_debug'];
+        define( 'SCRIPT_DEBUG', $script_debug );
+}
+
 require ABSPATH . 'wp-admin/includes/noop.php';
 require ABSPATH . WPINC . '/script-loader.php';
 require ABSPATH . WPINC . '/version.php';

src/wp-includes/script-loader.php

@@ -1951 +1951 @@
                         $concatenated .= "&load%5Bchunk_{$key}%5D={$chunk}";
                 }
 
-                $src = $wp_scripts->base_url . "/wp-admin/load-scripts.php?c={$zip}" . $concatenated . '&ver=' . $wp_scripts->default_version;
+                // Pass the SCRIPT_DEBUG constant in the query args as it is usually defined
+                // in wp-config.php which is not used in load-scripts.php.
+                $script_debug = '';
+
+                if ( defined( 'SCRIPT_DEBUG' ) ) {
+                        $debug = SCRIPT_DEBUG ? 'true' : 'false';
+                        $script_debug = "&script_debug={$debug}";
+                }
+
+                $src = $wp_scripts->base_url . "/wp-admin/load-scripts.php?c={$zip}" . $script_debug . $concatenated . '&ver=' . $wp_scripts->default_version;
                 echo "<script{$type_attr} src='" . esc_attr( $src ) . "'></script>\n";
         }
 
@@ -2128 +2137 @@
                         $concatenated .= "&load%5Bchunk_{$key}%5D={$chunk}";
                 }
 
-                $href = $wp_styles->base_url . "/wp-admin/load-styles.php?c={$zip}&dir={$dir}" . $concatenated . '&ver=' . $ver;
+                // Pass the SCRIPT_DEBUG constant in the query args as it is usually defined
+                // in wp-config.php which is not used in load-styles.php.
+                $script_debug = '';
+
+                if ( defined( 'SCRIPT_DEBUG' ) ) {
+                        $debug = SCRIPT_DEBUG ? 'true' : 'false';
+                        $script_debug = "&script_debug={$debug}";
+                }
+
+                $href = $wp_styles->base_url . "/wp-admin/load-styles.php?c={$zip}&dir={$dir}" . $script_debug . $concatenated . '&ver=' . $ver;
                 echo "<link rel='stylesheet' href='" . esc_attr( $href ) . "'{$type_attr} media='all' />\n";
 
                 if ( ! empty( $wp_styles->print_code ) ) {