Initial commit: is_searchbar out of the box. v3.0.1

is_searchbar/upgrade/upgrade-1-1-0.php

@@ -0,0 +1,13 @@
+<?php
+
+if (!defined('_PS_VERSION_')) {
+    exit;
+}
+
+function upgrade_module_1_1_0($module)
+{
+    $module->registerHook('actionFrontControllerSetMedia');
+    $module->unregisterHook('header');
+
+    return true;
+}