Bug #62487 [Opn->Nab]: next/current and each behave differently with unset

Edit report at https://bugs.php.net/bug.php?id=62487&edit=1 ID: 62487 Updated by: johannes@php.net Reported by: justin at crowdfavorite dot com Summary: next/current and each behave differently with unset -Status: Open +Status: Not a bug Type: Bug Package: Arrays related Operating System: OS X PHP Version: 5.4.4 Block user comment: N Private report: N New Comment: Thank you for taking the time to write to us, but this is not a bug. Please double-check the documentation available at http://www.php.net/manual/ and the instructions on how to report a bug at http://bugs.php.net/how-to-report.php If we would change the behavior to what you want the current() after the unset() would refer to the previous element. Which means that would be accessed two times. As a little picture: Assume we have an array with 5 elements, current pointer is pointing to element 2: 0 1 2 3 4 ^ Now we call unset(), 2 goes away: 0 1 3 4 ^ Basically the current pointer doesn't move, but now you call next 0 1 3 4 ^ That's what you're seeing. Previous Comments: ------------------------------------------------------------------------ [2012-07-05 22:07:27] justin at crowdfavorite dot com Description: ------------ Removing the current array element using unset() while iterating through the array with next() and current() causes the array pointer to miss the next array element. Removing the /next/ array element with unset() while iterating through the array with each() does /not/ cause similar behavior - the array element following is correctly picked up at the next call to each(). It seems like the behavior with next()/current() is incorrect (but that it would be good for the behavior to be consistent regardless). Test script: --------------- example code: http://pastebin.com/5HMumA0A Expected result: ---------------- 12345 - expected 12345 1245 - expected 1245 12345 - expected 12345 Actual result: -------------- 12345 - expected 12345 1245 - expected 1245 12345 - expected 1245 ------------------------------------------------------------------------ -- Edit this bug report at https://bugs.php.net/bug.php?id=62487&edit=1