diff --git a/composer.json b/composer.json
index ffd58789..761c5cb1 100644
--- a/composer.json
+++ b/composer.json
@@ -24,7 +24,8 @@
     "autoload": {
         "psr-4": {
             "FormatTalksBundle\\": "src/FormatTalksBundle"
-        }
+        },
+        "files": ["src/helpers.php"]
     },
     "extra": {
         "merge-plugin": {
diff --git a/src/helpers.php b/src/helpers.php
new file mode 100644
index 00000000..c70dd091
--- /dev/null
+++ b/src/helpers.php
@@ -0,0 +1,7 @@
+<?php
+
+function tap($value, $callback) {
+    $callback($value);
+
+    return $value;
+}