From 11561aeb54b25e34957d5950ee05ac01d669f3c7 Mon Sep 17 00:00:00 2001
From: Nicola Fontana <ntd@entidi.it>
Date: Sun, 28 Feb 2016 21:40:34 +0100
Subject: [PATCH] Do not hang on nested parameters in search context Backport
 of 0b5a573 for 3.2 that does not add a new API, as required by #5056 to be
 semver compatible.

---
 admin/code/ModelAdmin.php | 10 +++++++++-
 1 file changed, 9 insertions(+), 1 deletion(-)

diff --git a/admin/code/ModelAdmin.php b/admin/code/ModelAdmin.php
index 715132fa2..be6124ddc 100644
--- a/admin/code/ModelAdmin.php
+++ b/admin/code/ModelAdmin.php
@@ -226,7 +226,15 @@ abstract class ModelAdmin extends LeftAndMain {
 	
 	public function getList() {
 		$context = $this->getSearchContext();
-		$params = $this->request->requestVar('q');
+		$params = $this->getRequest()->requestVar('q');
+
+		if(is_array($params)) {
+			$trimRecursive = function($v) use(&$trimRecursive) {
+				return is_array($v) ? array_map($trimRecursive, $v) : trim($v);
+			};
+			$params = $trimRecursive($params);
+		}
+
 		$list = $context->getResults($params);
 
 		$this->extend('updateList', $list);