On Tue, 29 Dec 2020 at 18:04, tyson andre <tysonandre...@hotmail.com> wrote:
> Hi Internals, > > Currently, PHP doesn't have a built in memory-efficient array type with > convenient push, pop, and other operations, similar to a list/vector in > other languages. > The closest built in in SPL is [SplFixedArray]( > https://www.php.net/manual/en/class.splfixedarray.php) > > https://www.php.net/manual/en/class.splstack.php uses a doubly linked > list, which uses much more memory and time than sequential memory. > > Contrary to the name and description in > https://www.php.net/manual/en/class.splfixedarray.php, the class is > already resizable. > The resize method is setSize - > https://www.php.net/manual/en/splfixedarray.setsize.php > (increasing size is efficient - erealloc will extend the underlying array > into free memory if there is nothing in the way) > > Many programming languages have a memory-efficient list/vector type that > can be conveniently appended to and popped from. > > https://docs.python.org/3/tutorial/datastructures.html#more-on-lists > https://www.cplusplus.com/reference/vector/vector/ > https://docs.ruby-lang.org/en/2.0.0/Array.html#method-i-push > > Is there any interest in adding this? It would be much more efficient to > add these in C. > > Thanks, > - Tyson > Hi Tyson, Did you have a look at ext-ds? It provides several very efficient data structures: https://github.com/php-ds/ext-ds I would love if this extension could find its way into core, actually. Kind regards, Benjamin
