by: christian9997 |
last post by:
Hi
I don't seem to understand the way isset works.
Here is some Javascript code that makes a call using PHP:
// USER CAME BACK TO CHANGE LANGUAGE
if (<?echo isset($_REQUEST)?>) {...
|
by: wouter |
last post by:
hey hi.....
I wanna make a switch wich does this:
if pagid is set do A,
if catid is set do B,
if projectid is set do C,
else do D.
So i was thinking something like this:
|
by: sathyashrayan |
last post by:
Dear group,
My question may be novice. I have seen codes where the isset() is
used to test weather a user's session ($_SESSION) is set before
entering a page. A kind of direct access to a page is...
|
by: yawnmoth |
last post by:
<?php
$var = 'test';
echo isset($var) ? 'true' : 'false';
echo '<br>';
echo isset($var) ? 'true' : 'false';
?>
Why does that result in this output?:
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by: Giovanni R. |
last post by:
Take a look at this code (you can execute it):
error_reporting(E_ALL);
function byVal( $v) {}
function byRef(&$v) {}
print '<pre>';
byVal ($first); // gives a notice
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by: arundelo |
last post by:
Is there a way to tell whether accessing a variable will
result in an "Undefined variable" E_NOTICE? isset() almost
does this, but it also returns false if a variable is set to
null:
...
|
by: Simon Dean |
last post by:
Im taking Im doing something stupid here? I thought it was clever...
just learned a little more about isset.
$a = (isset($_GET)) ? $_GET : (isset($_POST)) ?
$_POST : "";
I guess you can see...
|
by: major |
last post by:
The following code processes a blank field as though it has some value
and proceeds as though it was set to some value.
Apparently isset() is not working, because it thinks that a blank text...
|
by: Michael Fesser |
last post by:
..oO(Daniel Molina Wegener)
They have side effects or don't work properly. If the variable or
element you want to check doesn't exist, then
* the first and fourth will create it and set it...
|
by: Charles Arthur |
last post by:
How do i turn on java script on a villaon, callus and itel keypad mobile phone
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by: emmanuelkatto |
last post by:
Hi All, I am Emmanuel katto from Uganda. I want to ask what challenges you've faced while migrating a website to cloud.
Please let me know.
Thanks!
Emmanuel
|
by: BarryA |
last post by:
What are the essential steps and strategies outlined in the Data Structures and Algorithms (DSA) roadmap for aspiring data scientists? How can individuals effectively utilize this roadmap to progress...
|
by: nemocccc |
last post by:
hello, everyone, I want to develop a software for my android phone for daily needs, any suggestions?
|
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,...
|
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...
|
by: Hystou |
last post by:
Overview:
Windows 11 and 10 have less user interface control over operating system update behaviour than previous versions of Windows. In Windows 11 and 10, there is no way to turn off the Windows...
|
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...
|
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,...
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