if variable is null php
if variable is null php How to check if submitted variable is null in PHP?
Check if Variable is NULL in PHP
You can use isset($var) to check if the variable is not defined or null in PHP.
and after setting
Create Session Variable PHP
Create Session Variable PHP hi,
Write a program which shows the example of how to create session variable in PHP. Please suggest the reference... session Variable in PHP. May be this reference will solve your query.
creating a global variable with php
creating a global variable with php Is it possible to create a variable to declare as global in case of database connectivity?
Yes, if you want to have access of that variable anywhere in the program. See the example
PHP Variable PHP Variables, Special Symbols in PHP
In any language variables are one of the most important thing, in PHP we can
declare a variable of any type, any where.
PHPVariable Example 1:
PHP Variable variables PHP Variables variable:
Variables variable is a new kind of technique of using... the use of variablevariable both in general use as well as in OOP concept.
PHP Variables Variable Example:
PHP Variable Functions PHPVariable Functions:
Learn PHPVariable Function means that if a variable name has a format like this $var(), PHP will consider this as a variable function... to execute it.
This variable function does not work with echo(), print(), unset
setting php session variable by ajax
setting php session variable by ajax Hello folks,
i developing a php website where the content of the section load dynamically from database... tried to use AJAX to call another PHP script to set the session variable
PHP SQL Variable PHP SQL VariablePHP SQL Variable are denoted with a leading dollar sign ($). The PHP ... illustrates how to create the variable in php for sql operation.
In this example
PHP Variable Scope PHPVariable Scope:
In every language every variable has a scope, may... of a variable in PHP is inside a function or inside a block. To make the variable global...; is static variable, the scope of a static variable exists only in a local
Php Sql Variable Php Sql Variable
This example illustrates how to create the variable in php for sql
In this example we create a variable $con for mysql connection and $update
for query. The sign ($) is used to create the variable in php
PHP Variable Outside Function PHPVariable Outside Function
In PHP Functions, a variable can be called... the example to understand how it works :
PHPVariable Outside Function Example 1...:\wamp\www\phpVariable\php-variable-outside-function.php on
PHP Variable Global PHP Global Variables
PHP Global variable are the variables which can be used... can use global variable in different-different ways, For example :
PHP Global Variable Example 1:
PHP Global Variable
PHP Global Variable
To access global variable in PHP we need to use... for PHP Global Variable:
$a="12... to access the globally declared variable. There is no limit to use global
Get Variable in PHP Video tutorial
In this tutorial you will learn to use GET variable in PHP with the help... GET
variable in PHP as the tutorial has been described with simple example... to use the GET variable in PHP you should know that,
basically there are two
Predefined Variable in PHP
In order to create more complex and dynamic web applications, PHP offers.... These
predefined variables in PHP ensure the security of applications from external... there are a huge list of predefined variables in PHP, we will talk
PHP Variable Server
In the following example, you can check few indices of
accept charset root : ISO-8859-1,utf-8;q=0.7,*;q=0.7Http
accept encoding : gzip,deflateHttp accept language :
jquery href onclick event
jquery href onclick event jquery href onclick event
//here you can also do all sort of things
PHP Static Variable and Methods PHP Static Methods and Variables:
In this tutorial we will study when we... copy of the variable for the class. All objects of that class will access one copy... the method using class, without instantiating any object.
Example of PHP Static
HREF value of the link. We can achieve this in two ways :
Passing variable How to pass variable to HTTP object in HTMl or PHP
Dynamic HREF link - Date Calendar
Dynamic HREF link Hi, I want to know how to create a page with links to download the files present in one folder and if the no of files present in the folder changes the link for downloading changes automatically.
PHP Variable Across Pages PHP variables across pages
When we develop web applications, sometimes we need to share values among
various web pages.
PHP provides various...;php
variables across pages</title>
Create session variable.
an Email field and fix submit buttton.
Create a session variable code in PHP and call the value of this variable in the HTML form using post action command of PHP...Create session variable
In this example, you will learn how to create session
Local Variable and Instant Variable
Local Variable and Instant Variable difference between Local Variable and Instant Variable
Difference between local variable and instance variable
Instance variable is declared within a class but not within
HTML5 <area> href, hreflang attribute of area tag.
HTML5 <area> href, hreflang attribute.
In this tutorial we will discuss the implementation and use of href,
hreflang attributes of the <area> tag in html5.
The href attribute specifies the URL link for the area
PHP Null Variables PHP Null Variables
PHP Null variable is a type that only stores the null value. The
Null value indicates that the used variable has no value. The variable
only considered null when :
1. The variable assigned as a null.
2. The value
Pointer a variable
Pointer a variable hii,
Pointer is a variable or not ?
Yes, a pointer is a variable
Java variable To what value is a variable of the String type automatically initialized
PHP Variables Concatenate PHP Variables Concatenate
When we have more than one variable and we want to use those variable in one line or paragraph then we used the concatenate variables in php to compile them. In other words, it is used when we need to print more
environment variable what is environment variable in java?
Environment variables are used by the Operating System to pass configuration information to applications
PHP Variables Static PHP Variables Static
PHP static variable is used to remember the value of a local variable when we
call the function in our program. While your script... variable when we call the
Let's see the example below :