Add ability to add context functions

1 files changed, 4 insertions, 1 deletions

diff --git a/src/index.php b/src/index.php
index 4c53f0c..b7e0397 100644
--- a/src/index.php
+++ b/src/index.php
@@ -149,7 +149,7 @@ function reArrayFiles(&$file_post) {
     return $file_ary;
 }
 
-function render(string $page, array $context = []): void {
+function render(string $page, array $context = [], array $functions = []): void {
     $defaultTemplate = "bootstrap-3"; // bootstrap-3 is the default for backwards compatibility
     $templateDir = __ROOT__ . "/application/templates";
 
@@ -193,6 +193,9 @@ function render(string $page, array $context = []): void {
     $twig->addFilter(new TwigFilter("base64_encode", base64_encode(...)));
     $twig->addFilter(new TwigFilter("base64_decode", base64_decode(...)));
 
+    foreach ($functions as $fnName => $callable)
+        $twig->addFunction(new TwigFunction("ctx_$fnName", $callable));
+
     echo $twig->render($page, [
         "g" => [
             "get" => &$_GET,