Question

Discuss in detail about PHP data types.

Answer 1

PHP scripting language supports 13 primitive data types.
Data Types plays important role in all programming languages to classify the data according to the logic.
PHP supports the following data types.

1. String
2. Integer
3. Float
4. Boolean
5. Array
6. Object
7. NULL
8. Resource

Data type	Explanation	Example
String	The string is a collection of characters within the double or single quotes	$x = “Computer Application!”;
Integer	An integer is a data type which contains non-decimal numbers.	$x = 59135;
Float	Float is a data type which contains decimal numbers,	$x = 19.15;
Boolean	Boolean is a data type which denotes the possible two states, TRUE or FALSE	$x = true; $y = false;
Array	The array is a data type which has multiple values in a single variable.	$cars = array(”Computer”,”Laptop”, ”Mobile”);
Object	It is a data type which contains information about data and function inside the class.	$school_obj = new School ();
NULL	Null Is a special data type which contains s single value; NULL	$x = null;
Resources	The resource is a specific variable, it has a reference to an external resource.	Shandle = fopen(“note.txt” “r”); var_dump($handle);