Re: array_pop() with key-value pair ???

2007. 02. 16, péntek keltezéssel 10.47-kor Robin Vickery ezt írta: > On 16/02/07, Németh Zoltán <znemeth@alterationx.hu> wrote: > > 2007. 02. 16, péntek keltezéssel 10.23-kor Robin Vickery ezt írta: > > > On 16/02/07, Eli <eli.hen@gmail.com> wrote: > > > > Hi, > > > > > > > > Why isn't there a function that acts like array_pop() returns a pair of > > > > key-value rather than the value only ? > > > > > > > > Reason is, that in order to pop the key-value pair, you do: > > > > <?php > > > > $arr = > > > > array('a'=>1,'b'=>2,'c'=>3,'d'=>4); > > > > $arr_keys = array_keys($arr); > > > > $key = array_pop($arr_keys); > > > > $value = $arr[$key]; > > > > ?> > > > > > > > > I benchmarked array_keys() function and it is very slow on big arrays > > > > since PHP has to build the array. > > > > > > benchmark this: > > > > > > end($arr); > > > list($key, $value) = each($arr); > > > > array_pop also removes the element from the array so add one more line: > > unset($arr[$key]); > > Yeah, but he's not actually popping the last element of $arr, he's > just using it to get the last key from $arr_keys. well, sorry, I didn't examine his code just read his original question saying "a function that acts like array_pop()" it's now up to him to decide whether he wants to unset that element or not :) greets Zoltán Németh > > -robin >