php.net |  support |  documentation |  report a bug |  advanced search |  search howto |  statistics |  random bug |  login

go to bug id or search bugs for

Request #75491 need structs, unions
Submitted: 2017-11-06 21:18 UTC Modified: 2018-11-23 17:41 UTC
From: jmichae35 at gmail dot com Assigned:
Status: Wont fix Package: *General Issues
PHP Version: 7.2.0RC5 OS:
Private report: No CVE-ID: None
View Developer Edit
Anyone can comment on a bug. Have a simpler test case? Does it work for you on a different platform? Let us know!
Just going to say 'Me too!'? Don't clutter the database with that please !
Your email address:
MUST BE VALID
Solve the problem:
21 + 47 = ?
Subscribe to this entry?

 
 [2017-11-06 21:18 UTC] jmichae35 at gmail dot com 
Description:
------------
need structs and unions like in C/C++. an anon class comes close, but is not quite it. and it needs to have byte alignment.

Expected result:
----------------
struct {
...
}
...
union {
...
}
if you can obtain it from ANSI spec

Patches

Pull Requests

History

AllCommentsChangesGit/SVN commitsRelated reports
 [2017-11-06 22:08 UTC] pollita@php.net
-Status: Open +Status: Wont fix
 [2017-11-06 22:08 UTC] pollita@php.net 
You're never going to find something like this in PHP because of the way PHP's memory layout works.
 [2017-11-06 22:49 UTC] jmichae35 at gmail dot com 
you might try implementing some particularly useful ones like windows' SYSTEM_TIME and struct time_t.
 [2018-11-21 02:24 UTC] a at b dot c dot de 
An anon class comes close, but associative arrays come closer.

time_t is not a struct, it's an arithmetic type with semantics that are explicitly undefined by the standard. The value returned by PHP's time() function would be acceptable.

You're thinking of the tm struct, which is specified as having at least (possibly more) a certain list of fields that are all defined as integers. The only thing missing from the array returned by getdate() is the isDST field.

Byte alignment is a meaningless requirement for a PHP application.
 [2018-11-23 17:41 UTC] jmichae35 at gmail dot com 
byte alignment eliminates gaps between structures in the array when it doesn't come up to 16 bytes (usual default).
so byte alignment would take less memory overall.
 
PHP Copyright © 2001-2025 The PHP Group
All rights reserved. 		Last updated: Fri Oct 31 05:00:02 2025 UTC