X-Git-Url: https://git.heureux-cyclage.org/?a=blobdiff_plain;f=includes%2Flibs%2FStringUtils.php;h=6b10c0998b8b6572b59600531c59ef4c398eb072;hb=9e831f0b4d5dd25144e1841eb46d632d2697de63;hp=2af3868e441eb6103553e44a65388408870bcbc1;hpb=de94dd9f4112067903bc6e1d5ce06991db84f02f;p=lhc%2Fweb%2Fwiklou.git

diff --git a/includes/libs/StringUtils.php b/includes/libs/StringUtils.php
index 2af3868e44..6b10c0998b 100644
--- a/includes/libs/StringUtils.php
+++ b/includes/libs/StringUtils.php
@@ -41,8 +41,10 @@ class StringUtils {
 	static function isUtf8( $value ) {
 		$value = (string)$value;
 
-		// Before PHP 5.4, values above U+10FFFF are incorrectly allowed, so we have to
-		// check for them separately.
+		// HHVM 3.4 and older come with an outdated version of libmbfl that
+		// incorrectly allows values above U+10FFFF, so we have to check
+		// for them separately. (This issue also exists in PHP 5.3 and
+		// older, which are no longer supported.)
 		static $newPHP;
 		if ( $newPHP === null ) {
 			$newPHP = !mb_check_encoding( "\xf4\x90\x80\x80", 'UTF-8' );