In PHP, a variable is declared using a $ sign followed by the variable name. Stack Overflow for Teams is a private, secure spot for you and your coworkers to find and share information. PHP Variable Types. Setting a Variable's Type and Type Casting . It is a very common feature of a programming language. Variablen-Typen. Data Types in PHP. For example, suppose you have a variable that is currently assigned a number and you would like to convert it to a string. Here're some important things to know about variables: In PHP, a variable does not need to be declared before adding a value to it. Variable is a container for storing programming data. Well - a lot of PHP IDEs and frameworks are going to have some degree of type enforcing or checking (and, since this answer was written 9 years ago, PHP is now capable of enforcing type-hinting for method parameters) - which is something you can't do with associative arrays. PHP unterstützt verschiedene Typen von Variablen. PHP variables can be one of four scope types − Local variables; Function parameters; Global variables; Static variables. These data types are used to construct variables. Global Variables. What is Variable in PHP. Teams.
Variablen müssen nicht ausdrücklich deklariert werden, sie können auch als Variablen "on-the-fly" benutzt werden. The settype Function. PHP Variables. Variable values can change over the course of a script.

PHP variable is the main way of storing data for later uses in the program. Variablen Definition. Now let's discuss each one of them in detail. Um eine Variable in PureBasic zu definieren, geben Sie ihren Namen ein oder den Typ, den die Variable annehmen soll. PHP supports total eight primitive data types: Integer, Floating point number or Float, String, Booleans, Array, Object, resource and NULL. In contrast to local variables, a global variable can be accessed in any part of the program. Almost all modern programming language built-in variable feature.

Q&A for Work. It automatically analyzes the values and makes conversions to its correct datatype. The values assigned to a PHP variable may be of different data types including simple string and numeric types to more complex data types like arrays and objects.
The stored data can be used later at multiple locations in the program file by calling the variable name. You can change the type of a variable by using PHP's settype function. Variables are used to store data, like string of text, numbers, etc.

Here, some important points to know about variables: As PHP is a loosely typed language, so we do not need to declare the data types of the variables. Variablen, Typen und Operatoren. PHP provides a variety of methods for changing the type of a variable or temporarily changing the type of the value it holds. Standardmäßig, wenn kein Typ angegeben wird, wird der Datentyp ein Integer sein.