new file mode 100644

@@ -0,0 +1,27 @@

+<?php

+

+/*

+ * This file is part of the Symfony package.

+ *

+ * (c) Fabien Potencier <fabien@symfony.com>

+ *

+ * For the full copyright and license information, please view the LICENSE

+ * file that was distributed with this source code.

+ */

+

+if (!function_exists('trigger_deprecation')) {

+    /**

+     * Triggers a silenced deprecation notice.

+     *

+     * @param string $package The name of the Composer package that is triggering the deprecation

+     * @param string $version The version of the package that introduced the deprecation

+     * @param string $message The message of the deprecation

+     * @param mixed  ...$args Values to insert in the message using printf() formatting

+     *

+     * @author Nicolas Grekas <p@tchwork.com>

+     */

+    function trigger_deprecation(string $package, string $version, string $message, mixed ...$args): void

+    {

+        @trigger_error(($package || $version ? "Since $package $version: " : '').($args ? vsprintf($message, $args) : $message), \E_USER_DEPRECATED);

+    }

+}