What is use of Settype () in PHP?

The settype() function is a built-in function in PHP. The settype() function is used to the set the type of a variable. It is used to set type or modify type of an existing variable. This parameter can be of any type that is, it can be of integer type or a string type etc.

What is Gettype PHP?

PHP | gettype() Function. The gettype() function is an inbuilt function in PHP which is used to get the type of a variable. It is used to check the type of existing variable. Return Value: This function returns a string type value.

What is the difference between Settype and casting?

3 Answers. Casting changes what the variable is being treated as in the current context, settype changes it permanently.

How do you determine the datatype of a variable in PHP?

To check data type of any variable, PHP provide a function gettype(). PHP gettype() function returns the data type of the variable value passed as argument and returns a string which is a clear data type of the passed value, like: integer, double, string etc.

What is Var_dump function in PHP?

The var_dump() function is a built-in function of PHP that dumps the information about the variables. This information includes the data type and value of the variable.

What are data types in PHP?

PHP supports the following data types:

• String.
• Integer.
• Float (floating point numbers – also called double)
• Boolean.
• Array.
• Object.
• NULL.
• Resource.

What is the use of Settype () and Gettype () function in PHP?

In this article I explain the settype() and gettype() functions in PHP. The gettype() function gets the type of variable; gettype() is a function that display a data type. The settype function sets the type of variable; the settype() function changes the data type.

How many different data types are available in PHP?

eight different types
Data Types define the type of data a variable can store. PHP allows eight different types of data types. All of them are discussed below. There are pre-defined, user-defined, and special data types.

What is a cast operator?

A cast is a special operator that forces one data type to be converted into another. As an operator, a cast is unary and has the same precedence as any other unary operator. It also allows casting from pointer to an integer type and vice versa.

How do you find variable type?

To check the type of a variable, you can use the type() function, which takes the variable as an input. Inside this function, you have to pass either the variable name or the value itself. And it will return the variable data type.