diff options
Diffstat (limited to 'lib/SimplePie/SimplePie.php')
| -rw-r--r-- | lib/SimplePie/SimplePie.php | 24 |
1 files changed, 18 insertions, 6 deletions
diff --git a/lib/SimplePie/SimplePie.php b/lib/SimplePie/SimplePie.php index bddf67645..c5a036c2d 100644 --- a/lib/SimplePie/SimplePie.php +++ b/lib/SimplePie/SimplePie.php @@ -1322,12 +1322,24 @@ class SimplePie function cleanMd5($rss) { - return md5(preg_replace(array( - '#<(lastBuildDate|pubDate|updated|feedDate|dc:date|slash:comments)>[^<]+</\\1>#', - '#<(media:starRating|media:statistics) [^/<>]+/>#', - '#<!--.+?-->#s', - ), '', $rss)); - + //Process by chunks not to use too much memory + if (($stream = fopen('php://temp', 'r+')) && + fwrite($stream, $rss) && + rewind($stream)) + { + $ctx = hash_init('md5'); + while ($stream_data = fread($stream, 1048576)) + { + hash_update($ctx, preg_replace([ + '#<(lastBuildDate|pubDate|updated|feedDate|dc:date|slash:comments)>[^<]+</\\1>#', + '#<(media:starRating|media:statistics) [^/<>]+/>#', + '#<!--.+?-->#s', + ], '', $stream_data)); + } + fclose($stream); + return hash_final($ctx); + } + return ''; } /** |