added Callback::invokeAll()

Author: dg

src/Utils/Callback.php

@@ -35,6 +35,19 @@ public static function closure($callable, string $method = null): \Closure
 	}
 
 
+	/**
+	 * Invokes all callables.
+	 * @param  callable[]  $callables
+	 */
+	public static function invokeAll(array $callables, ...$args): array
+	{
+		foreach ($callables as $k => $cb) {
+			$callables[$k] = $cb(...$args);
+		}
+		return $callables;
+	}
+
+
 	/**
 	 * Invokes callback.
 	 * @return mixed

tests/Utils/Callback.invokeAll.phpt

@@ -0,0 +1,38 @@
+<?php
+
+/**
+ * Test: Nette\Utils\Callback::invokeAll()
+ */
+
+declare(strict_types=1);
+
+use Nette\Utils\Callback;
+use Tester\Assert;
+
+
+require __DIR__ . '/../bootstrap.php';
+
+
+class Test
+{
+	public function fn1(...$args)
+	{
+		return __METHOD__ . ' ' . implode(',', $args);
+	}
+
+
+	public function fn2(...$args)
+	{
+		return __METHOD__ . ' ' . implode(',', $args);
+	}
+}
+
+
+$list = [];
+$list[] = [new Test, 'fn1'];
+$list[] = [new Test, 'fn2'];
+
+Assert::same(
+	['Test::fn1 a,b', 'Test::fn2 a,b'],
+	Callback::invokeAll($list, 'a', 'b')
+);