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If you have never had any programming, Algebra, or scripting experience, then the concept of variables might be a new concept to you. A detailed explanation of variables is beyond the scope of this tutorial, but a refresher crash course is provided. Author: tizag.com Code: PHP 4.0 |
In this Tutorial you'll learn about Variables and different Data Types in PHP. This includes - what is a variable, naming conventions of a variable in PHP, various data types namely, String, Numeric and Array data types. Author: Smart Webby Code: PHP 4.0 |
Well, you've probably also seen and/or used a few calls to the str_replace() function. As you probably realize, the str_replace() function has a MIXED variable type for all the argument of the function, yet it's still called str_replace(). Author: Pilot-Doofy Code: PHP 4.0 |
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PHP is a language used to make HTML more dynamic. Contrary to JavaScript, it modifies the HTML of a page before it leaves the server- the client browser sees only HTML code. This tutorial explains scalar variables. Author: niallj Code: PHP 4.0 |
PHP Tutorial Variables is a tutorial that will take a quick look at what variables are and the basic rules for their use. PHP is "loosely typed," meaning that the type of information to be held in a particular variable can change on the fly. Author: Vince Barnes Code: PHP 4.0 |
Note these points that each php variable starts with a $ prefix and each php variable must start with a letter (numbers aren't allowed).
This tutorial shows an example of a variable being set. Author: Vardhan Code: PHP 4.0 |
Variables in PHP are represented by a dollar sign followed by the name of the variable. The variable name is case-sensitive, so $myvar is different from $myVar. A valid variable name starts with a letter or underscore. Author: php-mysql-tutorial.com Code: PHP 4.0 |
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In PHP you don't need to explicitly specify a type for variables. A variable's type is determined by the context in which that variable is used. That is to say, if you assign a string value to variable $var, $var becomes a string. Author: php-mysql-tutorial.com Code: PHP 4.0 |
A variable is an area of memory which is set aside to store information, this is assigned an identifier by the programmer. You can recognise variables in PHP because they are prefixed with the dollar ( $ ) sign. Author: beginnersPHP Code: PHP 4.0 |
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