modified file upgrade-temp-backup

wp-content/upgrade-temp-backup/plugins/activitypub/integration/surge-cache-config.php

@@ -0,0 +1,32 @@
+<?php
+/**
+ * Content negotiation fix for Surge.
+ *
+ * @see https://dominikschilling.de/notes/http-accept-header-wordpress-cache-activitypub/
+ *
+ * @package Activitypub
+ */
+
+$representation = 'html';
+
+if ( isset( $_SERVER['HTTP_ACCEPT'] ) ) {
+	// phpcs:ignore WordPress.Security.ValidatedSanitizedInput
+	$accept = strtolower( $_SERVER['HTTP_ACCEPT'] );
+
+	if ( str_contains( $accept, 'text/html' ) ) {
+		$representation = 'html';
+	} elseif (
+		str_contains( $accept, 'application/json' ) ||
+		str_contains( $accept, 'application/activity+json' ) ||
+		str_contains( $accept, 'application/ld+json' )
+	) {
+		$representation = 'json';
+	}
+}
+
+// phpcs:ignore VariableAnalysis.CodeAnalysis.VariableAnalysis.UndefinedVariable
+$config['variants']['representation'] = $representation;
+unset( $accept, $representation );
+
+// phpcs:ignore VariableAnalysis.CodeAnalysis.VariableAnalysis.UndefinedVariable
+return $config;