adds support for invoking closures

- fixes twigphp#3848
faizanakram99 · Dec 12, 2024 · 12c41d3 · 12c41d3
1 parent 77376c9
commit 12c41d3
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diff --git a/src/Extension/CoreExtension.php b/src/Extension/CoreExtension.php
@@ -1777,6 +1777,9 @@ public static function getAttribute(Environment $env, Source $source, $object, $
         // precedence: getXxx() > isXxx() > hasXxx()
         if (!isset($cache[$class])) {
             $methods = get_class_methods($object);
+            if ($object instanceof \Closure) {
+                $methods[] = '__invoke';
+            }
             sort($methods);
             $lcMethods = array_map('strtolower', $methods);
             $classCache = [];

diff --git a/tests/TemplateTest.php b/tests/TemplateTest.php
@@ -394,6 +394,13 @@ public static function getGetAttributeTests()
             [true, ['foo' => 'bar'], $arrayAccess, 'vars', [], $anyType],
         ]);
 
+        // test for Closure::__invoke()
+        $closure = function (): string {
+            return 'closure called';
+        };
+
+        $tests[] = [true, 'closure called', $closure, '__invoke', [], $anyType];
+
         // tests when input is not an array or object
         $tests = array_merge($tests, [
             [false, null, 42, 'a', [], $anyType, 'Impossible to access an attribute ("a") on a int variable ("42") in "index.twig".'],