disallowing invalid unicode in sheet name

mk-j · May 31, 2023 · dcdcf63 · dcdcf63
1 parent 07cc892
commit dcdcf63
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/xlsxwriter.class.php b/xlsxwriter.class.php
@@ -764,7 +764,7 @@ public static function xmlspecialchars($val)
 		//note, badchars does not include \t\n\r (\x09\x0a\x0d)
 		static $badchars = "\x00\x01\x02\x03\x04\x05\x06\x07\x08\x0b\x0c\x0e\x0f\x10\x11\x12\x13\x14\x15\x16\x17\x18\x19\x1a\x1b\x1c\x1d\x1e\x1f\x7f";
 		static $goodchars = "                              ";
-		return strtr(htmlspecialchars((string)$val, ENT_QUOTES | ENT_XML1), $badchars, $goodchars);//strtr appears to be faster than str_replace
+		return strtr(htmlspecialchars((string)$val, ENT_QUOTES | ENT_XML1 | ENT_SUBSTITUTE), $badchars, $goodchars);//strtr appears to be faster than str_replace
 	}
 	//------------------------------------------------------------------
 	public static function array_first_key(array $arr)