On 16/02/07, Németh Zoltán <[EMAIL PROTECTED]> wrote:
2007. 02. 16, péntek keltezéssel 10.23-kor Robin Vickery ezt írta: > On 16/02/07, Eli <[EMAIL PROTECTED]> 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. -robin -- PHP General Mailing List (http://www.php.net/) To unsubscribe, visit: http://www.php.net/unsub.php
