473,473 Members | 1,736 Online
Bytes | Software Development & Data Engineering Community
Create Post

Home Posts Topics Members FAQ

$$key = $value?

Hello

I'm reading articles on how to validate forms, and happened on the
following section:

foreach($_POST as $key=>$value) {
$$key = $value;
}

http://www.phphacks.com/content/view/31/33/

What does "$$key=$value" do?

Thank you.
Mar 24 '08 #1
1 1402
On Mon, 24 Mar 2008 03:20:06 -0700 (PDT), ELINTPimp
<sm*****@gmail.comwrote:
>$$key is a variable variable:
http://us3.php.net/language.variables.variable
Thanks for the answer.
Mar 24 '08 #2

This thread has been closed and replies have been disabled. Please start a new discussion.

Similar topics

1
by: Andrew DeFaria | last post by:
I created the following .sql file to demonstrate a problem I'm having. According to the manual: If |ON DELETE CASCADE| is specified, and a row in the parent table is deleted, then InnoDB...
14
by: Abhi | last post by:
FYI: This message is for the benefit of MS Access Community. I found that this prblem has been encounterd by many but there is hardly any place where a complete solution is posted. So I thought...
5
by: Robert Oschler | last post by:
I am converting a Perl script over to "C" for a potential open source project. I need some open source "C" code that will give me the same functionality of a Perl Style associative array: ...
3
by: suresh | last post by:
Hi all, I have a hash table and I want to modify the value of a key. Please let me know how can that be acheived. Thanks Suresh
8
by: SenthilVel | last post by:
how to get the corresponding values for a given Key in hashtable ??
3
by: Jeff L. | last post by:
I have an interesting problem and I'm not coming up with any answers in my searches, so hopefully someone can give me a hand with this. I have a feeling it's easy, but I usually get my nose stuck...
4
by: Kevin L | last post by:
I store some application settings in the registry under HKEY_LOCAL_MACHINE\Software\MyApplication I want to allow full access to this key and subkeys. Currently, I manually change the...
4
by: Thomas Mlynarczyk | last post by:
Hello, I have two arrays like this: $aSearch = array( 'A', 'B', 'C.D', 'E', 'F' ); $aSubject = array( 'A' =0, 'A.B' =1, 'X' =2, 'C.D.E' =3, 'A.B.C' => 4 ); Now I want to search $aSubject...
3
by: sloan | last post by:
I know a Dictionary < TKey, TValue does not allow duplicate keys. System.Collections.Generic.Dictionary<Guid, Guidtest = new System.Collections.Generic.Dictionary<Guid, Guid>(); //duplicate key...
2
by: rorajoey | last post by:
Violation of UNIQUE KEY constraint 'IX_surveyQuestions'. Cannot insert duplicate key in object 'dbo.surveyQuestions'. This might seem like a simple matter of trying to insert a row with ID=20 when...
0
marktang
by: marktang | last post by:
ONU (Optical Network Unit) is one of the key components for providing high-speed Internet services. Its primary function is to act as an endpoint device located at the user's premises. However,...
0
by: Hystou | last post by:
Most computers default to English, but sometimes we require a different language, especially when relocating. Forgot to request a specific language before your computer shipped? No problem! You can...
0
Oralloy
by: Oralloy | last post by:
Hello folks, I am unable to find appropriate documentation on the type promotion of bit-fields when using the generalised comparison operator "<=>". The problem is that using the GNU compilers,...
0
jinu1996
by: jinu1996 | last post by:
In today's digital age, having a compelling online presence is paramount for businesses aiming to thrive in a competitive landscape. At the heart of this digital strategy lies an intricately woven...
0
tracyyun
by: tracyyun | last post by:
Dear forum friends, With the development of smart home technology, a variety of wireless communication protocols have appeared on the market, such as Zigbee, Z-Wave, Wi-Fi, Bluetooth, etc. Each...
0
agi2029
by: agi2029 | last post by:
Let's talk about the concept of autonomous AI software engineers and no-code agents. These AIs are designed to manage the entire lifecycle of a software development project—planning, coding, testing,...
1
isladogs
by: isladogs | last post by:
The next Access Europe User Group meeting will be on Wednesday 1 May 2024 starting at 18:00 UK time (6PM UTC+1) and finishing by 19:30 (7.30PM). In this session, we are pleased to welcome a new...
0
by: TSSRALBI | last post by:
Hello I'm a network technician in training and I need your help. I am currently learning how to create and manage the different types of VPNs and I have a question about LAN-to-LAN VPNs. The...
1
muto222
php
by: muto222 | last post by:
How can i add a mobile payment intergratation into php mysql website.

By using Bytes.com and it's services, you agree to our Privacy Policy and Terms of Use.

To disable or enable advertisements and analytics tracking please visit the manage ads & tracking page.