Hi, 2012/8/22 Peter Cowburn <petercowb...@gmail.com>: > On 21 August 2012 23:26, Yasuo Ohgaki <yohg...@ohgaki.net> wrote: >> array_walk is the best(fast and memory efficient) way >> to delete elements. > > If array_walk() is the best (fast and memory efficient) way to delete > elements, why have we had the following line in the manual, for the > array_walk() callback, for over a decade [1]? (The exact phrasing has > changed slightly one time, but the message has remained the same) > "Only the values of the array may potentially be changed; its > structure cannot be altered, i.e., the programmer cannot add, unset or > reorder elements." > > [1] http://svn.php.net/viewvc/?view=revision&revision=75124
10 years ago log :) I'm not sure, but it had some problems with reference back then. There were many array functions that behaved wrong with reference used to be. I was annoyed by that, probably. That's why I wrote it, I suppose. Good catch. It should be removed now. Regards, -- Yasuo Ohgaki yohg...@ohgaki.net -- PHP Internals - PHP Runtime Development Mailing List To unsubscribe, visit: http://www.php.net/unsub.php
