PHP Data Types Tutorial for Beginners with Code Examples

 Data Type in PHP

What are PHP Data Types?

PHP Data Types define what type of data a variable can store in PHP programming. It tells the system whether the data is a number, text, decimal, true/false value

Why PHP Data Types are Important?

✔ They help organize data correctly

✔ Improve code readability

✔ Help in calculations and logic

✔ Prevent errors in programming

✔ Make data handling easy and efficient

Types Of PHP Data Types With Examples

 PHP String :-

        Represents a sequence of characters.

Example: $name = "seeta";

 PHP Integer :-

Represents whole numbers without decimal points.

Example :- $number = 100;

PHP Float :-

Floating point numbers or Doubles

Represents numbers with decimal points.

Example :- $float_number = 9.7;

PHP Boolean :-

Represents true or false values.

Example: true;

PHP Array :-

Represents a collection of elements, each identified by a key.

Example: $colors = array("red", "green", "blue");

PHP Object :-

Represents instances of user-defined classes.

Example:

class Car { public $color = "blue"; public $make = "Toyota"; } $car = new Car();

PHP NULL :-

Represents a variable with no value.

Example: $variable = null;

1. PHP Resource :-

1. Represents a special variable that holds a reference to an external resource.
2.    A common example of using the resource data type is a database call. It is the storing of a reference to functions and resources external to PHP.

Type of PHP Data :-

1] integer       ➡  Whole Number

1. </> PHP

    

   $number = 10;

   
   

   2] float          ➡  Decimal Number

   </> PHP

   $price=10.7;

   
   

   3] string        ➡ Text Data

   </> PHP

   
   

    $name ="PHP";

   
   

   4] boolean     ➡ True or False

   </> PHP

    

   $isActive = true;

   
   

   5] array         ➡  Multiple Value

   </> PHP

   $colors = array("Blue","yellow","green");

   
   

   6] object        ➡ Stores Data

   </> PHP

   
   

   class Car {

       public $name;

   }

   
   

   $car = new Car();

   $car->name = "BMW";

   echo $car->name;

   
   

   7] Null            ➡ No Value

   </> PHP

     $date = null

   
   

1. Understand PHP Data Types Like a Pro (Beginner to Advanced)
2. PHP data type Code

/* data type */
<?php
$no1=10;
$no2=85.99;
$name1='aman';
$name2="aishwarya";
$status="false";
$student=array("payal","aishwary");


VAR_DUMP($no1);
var_dump($no2);
var_dump($name1);
var_dump($name2);
var_dump($status);
var_dump($student);
?>

• PHP data type
  Output

Frequently Asked Questions About PHP Data Type  (Complete Guide)

1] What is PHP data type in simple words? PHP data type tells what kind of data a variable holds like number, text, or true/false.

2] How many types of data types are in PHP? There are 7 main PHP data types: String, Integer, Float, Boolean, Array, Object, and NULL.

3] Why do we use data types in PHP? Data types help PHP understand how to store and process different values correctly.

4] What is the most used data type in PHP? String and Integer are the most commonly used data types.