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fix hex2bin for empty input

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Friendika 2011-10-20 19:11:34 -07:00
parent 01164c8c2f
commit d1833cabf6
1 changed files with 3 additions and 0 deletions
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3
include/text.php
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@ -195,6 +195,9 @@ function unxmlify($s) {
if(! function_exists('hex2bin')) { if(! function_exists('hex2bin')) {
function hex2bin($s) { function hex2bin($s) {
if(! (is_string($s) && strlen($s)))
return '';
if(! ctype_xdigit($s)) { if(! ctype_xdigit($s)) {
logger('hex2bin: illegal input: ' . print_r(debug_backtrace(), true)); logger('hex2bin: illegal input: ' . print_r(debug_backtrace(), true));
return($s); return($s);