From c1eb891eceb8be1f3621fda7f0e5a58875df4d3e Mon Sep 17 00:00:00 2001
From: Mischa POSLAWSKY <perl@shiar.org>
Date: Thu, 14 Sep 2017 17:44:57 +0200
Subject: [PATCH] page: common getoutput() to replace placeholders

---
 page.php | 14 +++++++++++---
 1 file changed, 11 insertions(+), 3 deletions(-)

diff --git a/page.php b/page.php
index 4944467..6d98863 100644
--- a/page.php
+++ b/page.php
@@ -8,7 +8,7 @@ function fail($error)
 	include_once 'page.inc.php';
 	ob_start();
 	require_once './500.html';
-	print str_replace('[[debug]]', $error, ob_get_clean());
+	print getoutput(['debug' => $error]);
 }
 set_exception_handler('fail');
 register_shutdown_function(function () {
@@ -58,6 +58,15 @@ print "</div>\n\n";
 # execute dynamic code
 
 if ($Page) {
+	function getoutput($blocks = [])
+	{
+		$rep = [];
+		foreach ($blocks as $name => $html) {
+			$rep["[[$name]]"] = $html;
+		}
+		return str_replace(array_keys($rep), array_values($rep), ob_get_clean());
+	}
+
 	$found |= require "./$Page.php";
 }
 
@@ -74,8 +83,7 @@ if (!$found) {
 		http_response_code(404);
 		ob_start();
 		require "./404.html";
-		$url = htmlspecialchars($_SERVER['REQUEST_URI']);
-		print str_replace('[[url]]', $url, ob_get_clean());
+		print getoutput([ 'url' => htmlspecialchars($_SERVER['REQUEST_URI']) ]);
 	}
 }
 
-- 
2.30.0