Which is not valid data type in PHP?
Which one is not a data type in PHP? Explanation: The void is not a data type in PHP.
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 data type list different data types in PHP?
PHP supports total eight primitive data types: Integer, Floating point number or Float, String, Booleans, Array, Object, resource and NULL. These data types are used to construct variables.
What is PHP full form?
PHP (recursive acronym for PHP: Hypertext Preprocessor ) is a widely-used open source general-purpose scripting language that is especially suited for web development and can be embedded into HTML.
What are the features of PHP?
Features of PHP
- Features of php. It is most popular and frequently used world wide scripting language, the main reason of popularity is; It is open source and very simple. …
- Simple. …
- Interpreted. …
- Faster. …
- Open Source. …
- Platform Independent. …
- Case Sensitive. …
- Error Reporting.
What are 4 types of data?
4 Types of Data: Nominal, Ordinal, Discrete, Continuous.
What is PHP and its advantages?
Advantages of PHP :
Most important advantage of PHP is that it’s open source and freed from cost. It are often downloaded anywhere and readily available to use for event of web applications. It is platform independent. PHP based applications can run on any OS like UNIX, Linux and windows, etc.
What is type hinting in PHP?
In simple word, type hinting means providing hints to function to only accept the given data type. In technical word we can say that Type Hinting is method by which we can force function to accept the desired data type. In PHP, we can use type hinting for Object, Array and callable data type.
What are the four scalar types of PHP?
Summary. PHP has four scalar types, four compound types, and two special types. Scale types: integer, float, string, and boolean. Compound types: array and object.
What is PHP variable?
A variable in PHP is a name of memory location that holds data. In PHP, a variable is declared using $ sign followed by variable name. The main way to store information in the middle of a PHP program is by using a variable. Here are the most important things to know about variables in PHP.
What is double in PHP?
There is no difference in PHP. float , double or real are the same datatype. At the C level, everything is stored as a double . The real size is still platform-dependent.
What are the different data types?
Common Data Types
- Integer (int) It is the most common numeric data type used to store numbers without a fractional component (-707, 0, 707).
- Floating Point (float) …
- Character (char) …
- String (str or text) …
- Boolean (bool) …
- Enumerated type (enum) …
- Array. …
- Date.
How many types of variables are there in PHP?
PHP has many types of variables, but the most basic variable types are integer (whole numbers), float (real numbers), strings, and booleans. PHP also has arrays and objects which we will explain in other tutorials. Variables can also be set to NULL, which means that the variables exist, but do not contain any value.
What are PHP functions?
A function is a piece of code which takes one more input in the form of parameter and does some processing and returns a value. You already have seen many functions like fopen() and fread() etc. They are built-in functions but PHP gives you option to create your own functions as well.