From edea6908f2a9a48fb1659024891f1f21cca1cd25 Mon Sep 17 00:00:00 2001
From: jmontoyaa <gugli100@gmail.com>
Date: Wed, 17 Jan 2018 09:47:24 +0100
Subject: [PATCH] Minor - Fix PHP warning when label is an array.

---
 main/inc/lib/formvalidator/Element/DateTimePicker.php | 11 +++++++++--
 1 file changed, 9 insertions(+), 2 deletions(-)

diff --git a/main/inc/lib/formvalidator/Element/DateTimePicker.php b/main/inc/lib/formvalidator/Element/DateTimePicker.php
index 539f16eb6e..e0fd52487a 100755
--- a/main/inc/lib/formvalidator/Element/DateTimePicker.php
+++ b/main/inc/lib/formvalidator/Element/DateTimePicker.php
@@ -36,6 +36,13 @@ class DateTimePicker extends HTML_QuickForm_text
             $value = api_format_date($value, DATE_TIME_FORMAT_LONG_24H);
         }
 
+        $label = $this->getLabel();
+        if (is_array($label) && isset($label[0])) {
+            $label = $label[0];
+        }
+
+        $resetFieldX = sprintf(get_lang('ResetFieldX'), $label);
+
         return '
             <div class="input-group">
                 <span class="input-group-addon cursor-pointer">
@@ -45,9 +52,9 @@ class DateTimePicker extends HTML_QuickForm_text
                 <input class="form-control" type="hidden" id="'.$id.'_alt" value="'.$value.'">
                 <span class="input-group-btn">
                     <button class="btn btn-default" type="button"
-                            title="'.sprintf(get_lang('ResetFieldX'), $this->_label).'">
+                            title="'.$resetFieldX.'">
                         <span class="fa fa-trash text-danger" aria-hidden="true"></span>
-                        <span class="sr-only">'.sprintf(get_lang('ResetFieldX'), $this->_label).'</span>
+                        <span class="sr-only">'.$resetFieldX.'</span>
                     </button>
                 </span>
             </div>