From d8d477c41729cfdbef85f771fe885768c5e6a189 Mon Sep 17 00:00:00 2001
From: Brian Miyaji <brian@themeboy.com>
Date: Wed, 14 Oct 2015 15:32:55 +1100
Subject: [PATCH] Validate hex input close #151

---
 includes/sp-formatting-functions.php | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/includes/sp-formatting-functions.php b/includes/sp-formatting-functions.php
index 4735164f..66fee2e2 100644
--- a/includes/sp-formatting-functions.php
+++ b/includes/sp-formatting-functions.php
@@ -268,12 +268,15 @@ if ( ! function_exists( 'sp_format_hex' ) ) {
 	 */
 	function sp_format_hex( $hex ) {
 
+		$hex = preg_replace( '/[^A-Fa-f0-9]/', '', $hex );
 	    $hex = trim( str_replace( '#', '', $hex ) );
 
 	    if ( strlen( $hex ) == 3 ) {
 			$hex = $hex[0] . $hex[0] . $hex[1] . $hex[1] . $hex[2] . $hex[2];
 	    }
 
+	    $hex = substr( $hex, 0, 6 );
+
 	    if ( $hex ) return '#' . $hex;
 	}
 }