From 5fbdfd1cd472af2582273b8fdf9694a4ec5a6f11 Mon Sep 17 00:00:00 2001
From: Nathan Coad <nathan@thecoads.com>
Date: Sat, 9 Sep 2017 00:06:56 +1000
Subject: [PATCH] try different function for stripping emoji

---
 booking.helper.inc | 46 ++++++++++++++++++++++++++++++++++++++++++++--
 1 file changed, 44 insertions(+), 2 deletions(-)

diff --git a/booking.helper.inc b/booking.helper.inc
index fa01792..02925f8 100644
--- a/booking.helper.inc
+++ b/booking.helper.inc
@@ -5,8 +5,50 @@
  * Taken from https://www.drupal.org/node/2043439#comment-8213973
  */
 function _booking_remove_emoji($text){
-  return preg_replace('/([0-9|#][\x{20E3}])|[\x{00ae}|\x{00a9}|\x{203C}|\x{2047}|\x{2048}|\x{2049}|\x{3030}|\x{303D}|\x{2139}|\x{2122}|\x{3297}|\x{3299}][\x{FE00}-\x{FEFF}]?|[\x{2190}-\x{21FF}][\x{FE00}-\x{FEFF}]?|[\x{2300}-\x{23FF}][\x{FE00}-\x{FEFF}]?|[\x{2460}-\x{24FF}][\x{FE00}-\x{FEFF}]?|[\x{25A0}-\x{25FF}][\x{FE00}-\x{FEFF}]?|[\x{2600}-\x{27BF}][\x{FE00}-\x{FEFF}]?|[\x{2900}-\x{297F}][\x{FE00}-\x{FEFF}]?|[\x{2B00}-\x{2BF0}][\x{FE00}-\x{FEFF}]?|[\x{1F000}-\x{1F6FF}][\x{FE00}-\x{FEFF}]?/u', '', $text);
-}
+	//return preg_replace('/([0-9|#][\x{20E3}])|[\x{00ae}|\x{00a9}|\x{203C}|\x{2047}|\x{2048}|\x{2049}|\x{3030}|\x{303D}|\x{2139}|\x{2122}|\x{3297}|\x{3299}][\x{FE00}-\x{FEFF}]?|[\x{2190}-\x{21FF}][\x{FE00}-\x{FEFF}]?|[\x{2300}-\x{23FF}][\x{FE00}-\x{FEFF}]?|[\x{2460}-\x{24FF}][\x{FE00}-\x{FEFF}]?|[\x{25A0}-\x{25FF}][\x{FE00}-\x{FEFF}]?|[\x{2600}-\x{27BF}][\x{FE00}-\x{FEFF}]?|[\x{2900}-\x{297F}][\x{FE00}-\x{FEFF}]?|[\x{2B00}-\x{2BF0}][\x{FE00}-\x{FEFF}]?|[\x{1F000}-\x{1F6FF}][\x{FE00}-\x{FEFF}]?/u', '', $text);
+	//this if from https://stackoverflow.com/a/41831874/7638834
+	$clean_text = "";
+
+	// Match Emoticons
+	$regexEmoticons = '/[\x{1F600}-\x{1F64F}]/u';
+	$clean_text = preg_replace($regexEmoticons, '', $text);
+
+	// Match Miscellaneous Symbols and Pictographs
+	$regexSymbols = '/[\x{1F300}-\x{1F5FF}]/u';
+	$clean_text = preg_replace($regexSymbols, '', $clean_text);
+
+	// Match Transport And Map Symbols
+	$regexTransport = '/[\x{1F680}-\x{1F6FF}]/u';
+	$clean_text = preg_replace($regexTransport, '', $clean_text);
+
+	// Match Miscellaneous Symbols
+	$regexMisc = '/[\x{2600}-\x{26FF}]/u';
+	$clean_text = preg_replace($regexMisc, '', $clean_text);
+
+	// Match Dingbats
+	$regexDingbats = '/[\x{2700}-\x{27BF}]/u';
+	$clean_text = preg_replace($regexDingbats, '', $clean_text);
+
+	// Match Flags
+	$regexDingbats = '/[\x{1F1E6}-\x{1F1FF}]/u';
+	$clean_text = preg_replace($regexDingbats, '', $clean_text);
+
+	// Others
+	$regexDingbats = '/[\x{1F910}-\x{1F95E}]/u';
+	$clean_text = preg_replace($regexDingbats, '', $clean_text);
+
+	$regexDingbats = '/[\x{1F980}-\x{1F991}]/u';
+	$clean_text = preg_replace($regexDingbats, '', $clean_text);
+
+	$regexDingbats = '/[\x{1F9C0}]/u';
+	$clean_text = preg_replace($regexDingbats, '', $clean_text);
+
+	$regexDingbats = '/[\x{1F9F9}]/u';
+	$clean_text = preg_replace($regexDingbats, '', $clean_text);
+
+	return $clean_text;
+}	
+
 
 /**
  * Helper function to perform some validity checking of email addresses