isset Questions
5
Solved
I want to make sure that certain fields are posted as part of the form but I don;t mind if some are empty values.
The 'required' validation rule won't work as I am happy to accept empty strings. I...
Azerbaijan asked 3/7, 2013 at 14:24
4
Solved
I don't understand the difference between isset() and !empty().
Because if a variable has been set, isn't it the same as not being empty?
1
I'm aware of the benchmarks for isset() vs empty(), but I have code I need to execute only when the argument is null. This is in a function that executes many times so I'd like to optimize it.
I ...
Preparation asked 2/7, 2017 at 6:11
1
I have several submit inputs (buttons) on a page, with the following issetconditions:
if ( isset( $_POST[ 'noranTelChecks' ] ) ) { // user requested noranTelCheck sheet
header( 'location: noranTe...
8
Solved
I am looking to expand on my PHP knowledge, and I came across something I am not sure what it is or how to even search for it. I am looking at php.net isset code, and I see isset($_GET['something']...
17
Solved
From the isset() docs:
isset() will return FALSE if testing a variable that has been set to NULL.
Basically, isset() doesn't check for whether the variable is set at all, but whether it's set to...
3
I am new to php and handling server side.
I have a domain "www.example.co.in". And another addon domain "www.example.com". I have created a new folder "www.example.com" at the root folder(public_h...
11
Solved
Is there something in javascript/jQuery to check whether variable is set/available or not? In php, we use isset($variable) to check something like this.
thanks.
Marja asked 20/11, 2010 at 8:1
8
Solved
I'm coding a worksheet app for a printer company.
I'm getting flood of forms.
For every single input field I have to check if the $_POST variables are set, and if, so echo back the value. (In cas...
1
if(isset($_GET['a'] or $_GET['b'])){
echo "ok";
}else{
echo "no";
}
i have two var for one condition when isset $_GET['a'] or $_GET['b']
always echo ok either echo no
3
Solved
Is there a way to check if an array index exists or is null?
isset() doesn't tell you whether the index doesn't exist or exists but is null.
If I do : isset($array[$index]) || is_null($array[...
4
Solved
Is $_SERVER['SERVER_ADDR'] always set?
Should I check with isset() or is that unnecessary?
I need to get the IP of the site so I can find out if it's 127.0.0.1/localhost
Nitpicking asked 10/8, 2011 at 22:51
8
Solved
I am creating a form and am just looking for more efficient ways to do things. What I have so far is:
<p><input type="text" name="transmission" value="" /></p>
<p><input...
6
Solved
Note - I know pretty much about empty() and isset(), what
I am asking is the most proper/efficient way of using them.
I've just saw at php.net this sentence under empty() reference:
No warn...
9
Solved
I'm writing quite often this line of code:
$myParam = isset($params['myParam']) ? $params['myParam'] : 'defaultValue';
Typically, it makes the line very long for nested arrays.
Can I make it sh...
3
Recently, I've attempted to be tricky and assign a variable inside of an isset function. I tried to do it like so
if(isset($accountid =$_POST['Recipient']))
{
// my code here ...
}
However, w...
3
Is there a concise way to check if a variable is set, and then echo it without repeating the same variable name?
Instead of this:
<?php
if(!empty($this->variable)) {
echo '<a href="', ...
3
Solved
I have basically coded a code which populates a list of categories from my database then you are able to select which to delete.
I have the issue with the delete code which does not seem to work d...
8
In my project, I have a wrapper class for $_SESSION, so session variables can be accessed by $session->var. I was trying to check if session variables were set or not using isset:
if (!isset($t...
3
Solved
I'm trying to make functions like empty() and isset() work with data returned by methods.
What I have so far:
abstract class FooBase{
public function __isset($name){
$getter = 'get'.ucfirst($n...
Anglophobia asked 5/6, 2011 at 11:23
4
Solved
I've noticed on XAMPP that strict error reporting is on and I get undefined index errors now. I just have two small questions (I'm still learning here):
I know you don't have to declare variables ...
2
Solved
There is a lot of SO questions about the subject, notably this one, but it does not help me.
There is an ambiguity between property_exists and isset so before asking my question, I'm going to point...
Donatello asked 24/5, 2013 at 7:32
3
although i used if(isset()) still get
Notice: Undefined index: user_name in C:\xampp\htdocs\www\jq\182-186 Users online sample application\users.php
here is part of PHP code
if (isset($_POST['...
3
Solved
I have a function f that takes two parameters (p1 and p2):
If for the parameter p2 no value was passed to the function, the value of p1^2 should be used instead. But how can I find out within the ...
Barrens asked 1/11, 2011 at 9:55
4
Solved
I need to check if php://input exists/isset. Does it work with PHP isset() ? What is the proper way to check it?
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