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Workaround for regression in input validation due to more PCRE oddities. Recommend redoing common_validate_utf8() using something more reliable, perhaps. :P

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Brion Vibber 2010-10-07 12:32:10 -07:00
parent 458f93bddd
commit 5e0f3e7bd4
1 changed files with 6 additions and 1 deletions
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7
lib/util.php
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@ -919,7 +919,12 @@ function common_shorten_links($text, $always = false)
function common_validate_utf8($str) function common_validate_utf8($str)
{ {
// preg_replace will return NULL on invalid UTF-8 input. // preg_replace will return NULL on invalid UTF-8 input.
return preg_replace('//u', '', $str); //
// Note: empty regex //u also caused NULL return on some
// production machines, but none of our test machines.
//
// This should be replaced with a more reliable check.
return preg_replace('/\x00/u', '', $str);
} }
/** /**