Doc #68930 [NEW]: Completely wrong example in comments

From: Date: Wed, 28 Jan 2015 10:21:24 +0000
Subject: Doc #68930 [NEW]: Completely wrong example in comments
Groups: php.doc.bugs 
Request: Send a blank email to doc-bugs+get-11893@lists.php.net to get a copy of this message
From: vlajos at gmail dot com Operating system: any PHP version: Irrelevant Package: Documentation problem Bug Type: Documentation Problem Bug description:Completely wrong example in comments Description: ------------ --- From manual page: http://www.php.net/ref.mcrypt --- This comment has several issues: http://php.net/manual/en/ref.mcrypt.php#99263 1. This code snippet can strip the trailing characters when decrypting if they match with the padding character. It shouldn't strip more characters when decrypting than ord(substr($dec, strlen($dec)-1,1)) Because otherwise it removes the additional characters from the original string. (If they match accidentally.) 2. The IV is completely useless here: The IV is ignored in ECB mode as this mode does not require it. You will need to have the same IV (think: starting point) both at encryption and decryption stages, otherwise your encryption will fail. The first point can lead corruptions, so I suggest to remove this comment. (I send an email already to the original author a few days ago.) -- Edit bug report at https://bugs.php.net/bug.php?id=68930&edit=1 -- Try a snapshot (PHP 5.4): https://bugs.php.net/fix.php?id=68930&r=trysnapshot54 Try a snapshot (PHP 5.5): https://bugs.php.net/fix.php?id=68930&r=trysnapshot55 Try a snapshot (trunk): https://bugs.php.net/fix.php?id=68930&r=trysnapshottrunk Fixed in SVN: https://bugs.php.net/fix.php?id=68930&r=fixed Fixed in release: https://bugs.php.net/fix.php?id=68930&r=alreadyfixed Need backtrace: https://bugs.php.net/fix.php?id=68930&r=needtrace Need Reproduce Script: https://bugs.php.net/fix.php?id=68930&r=needscript Try newer version: https://bugs.php.net/fix.php?id=68930&r=oldversion Not developer issue: https://bugs.php.net/fix.php?id=68930&r=support Expected behavior: https://bugs.php.net/fix.php?id=68930&r=notwrong Not enough info: https://bugs.php.net/fix.php?id=68930&r=notenoughinfo Submitted twice: https://bugs.php.net/fix.php?id=68930&r=submittedtwice register_globals: https://bugs.php.net/fix.php?id=68930&r=globals PHP 4 support discontinued: https://bugs.php.net/fix.php?id=68930&r=php4 Daylight Savings: https://bugs.php.net/fix.php?id=68930&r=dst IIS Stability: https://bugs.php.net/fix.php?id=68930&r=isapi Install GNU Sed: https://bugs.php.net/fix.php?id=68930&r=gnused Floating point limitations: https://bugs.php.net/fix.php?id=68930&r=float No Zend Extensions: https://bugs.php.net/fix.php?id=68930&r=nozend MySQL Configuration Error: https://bugs.php.net/fix.php?id=68930&r=mysqlcfg

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