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 do you mean by data types in PHP?
A Data type is the classification of data into a category according to its attributes; Alphanumeric characters are classified as strings. Whole numbers are classified integers. Numbers with decimal points are classified as floating points.
Which is not a data type in PHP?
3. Which one is not a data type in PHP? Explanation: The void is not a data type in PHP.
What are the 4 data types?
The data types to know are:
- String (or str or text). Used for a combination of any characters that appear on a keyboard, such as letters, numbers and symbols.
- Character (or char). Used for single letters.
- Integer (or int). Used for whole numbers.
- Float (or Real). …
- Boolean (or bool).
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 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 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.
How arrays are used in PHP?
Arrays in PHP is a type of data structure that allows us to store multiple elements of similar data type under a single variable thereby saving us the effort of creating a different variable for every data. … This can be easily done by the use of five different string variables.
What is PHP in networking?
Self-referentially short for PHP: Hypertext Preprocessor, an open source, server-side, HTML embedded scripting language used to create dynamic Web pages. … Also, PHP can talk across networks using IMAP, SNMP, NNTP, POP3, or HTTP. PHP was created sometime in 1994 by Rasmus Lerdorf.
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.
Why we are using in PHP?
PHP stands for Hypertext Preprocessor and is a server-side programming language. … A good benefit of using PHP is that it can interact with many different database languages including MySQL. We work with MySQL at Bluelinemedia since this is also a free language so it makes sense to use PHP.