fix hex2bin for empty input

12 years ago · d1833cabf6
parent 01164c8c2f
commit d1833cabf6
1 changed files with 3 additions and 0 deletions
--- a/include/text.php
+++ b/include/text.php
@ -195,6 +195,9 @@ function unxmlify($s) {

 if(! function_exists('hex2bin')) {
 function hex2bin($s) {
+	if(! (is_string($s) && strlen($s)))
+		return '';
+
 	if(! ctype_xdigit($s)) {
 		logger('hex2bin: illegal input: ' . print_r(debug_backtrace(), true));
 		return($s);