page = $_GET["page"] ?? $_POST["page"]; if(isset($_GET["revision"]) and is_numeric($_GET["revision"])) { // We have a revision number! $env->is_history_revision = true; $env->history->revision_number = intval($_GET["revision"]); // Make sure that the revision exists for later on if(!isset($pageindex->{$env->page}->history[$env->history->revision_number])) { http_response_code(404); exit(page_renderer::render_main("404: Revision Not Found - $env->page - $settings->sitename", "

Revision #{$env->history->revision_number} of $env->page doesn't appear to exist. Try viewing the list of revisions for $env->page, or viewing the latest revision instead.

")); } $env->history->revision_data = $pageindex->{$env->page}->history[$env->history->revision_number]; } // Construct the page's filename $env->page_filename = $env->storage_prefix; if($env->is_history_revision) $env->page_filename .= $pageindex->{$env->page}->history[$env->history->revision_number]->filename; else if(isset($pageindex->{$env->page})) $env->page_filename .= $pageindex->{$env->page}->filename; $env->action = strtolower($_GET["action"]);