From 3426a01e2155d75fe625aa6b42092fcebce4bb88 Mon Sep 17 00:00:00 2001
From: Vitaliy Solovey <vitaliyso@ufins.com>
Date: Fri, 25 Dec 2015 14:51:37 +0200
Subject: [PATCH] fix php notice

---
 lib/Sabberworm/CSS/Parser.php | 9 ++++++---
 1 file changed, 6 insertions(+), 3 deletions(-)

diff --git a/lib/Sabberworm/CSS/Parser.php b/lib/Sabberworm/CSS/Parser.php
index 6a9ca081..fd9f7bca 100644
--- a/lib/Sabberworm/CSS/Parser.php
+++ b/lib/Sabberworm/CSS/Parser.php
@@ -414,9 +414,12 @@ private function parseNumericValue($bForColor = false) {
 
 		$sUnit = null;
 		foreach ($this->aSizeUnits as $iLength => &$aValues) {
-			if(($sUnit = @$aValues[strtolower($this->peek($iLength))]) !== null) {
-				$this->consume($iLength);
-				break;
+			$sKey = strtolower($this->peek($iLength));
+			if(array_key_exists($sKey, $aValues)) {
+				if (($sUnit = $aValues[$sKey]) !== null) {
+					$this->consume($iLength);
+					break;
+				}
 			}
 		}
 		return new Size(floatval($sSize), $sUnit, $bForColor);