Data Types in PHP

 PHP supports the following data types:

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

There are some examples of data types in PHP, you can use it understand the concept:

String

<?php
$x = "Learn PHP By RK";
$y = 'Learn Wordpress By RK';

echo $x;
echo "<br>";
echo $y;
?>

Integer

<?php
$x = 9685;
var_dump($x);
?>

FLOAT

<?php
$x = 18.635;
var_dump($x);
?>

Boolean

$x = true;
$y = false;

Array

<?php
$cars = array("Iron Man","Hulk","Thor");
var_dump($cars);
?>

Object

In the following example car in Class having properties color and model.

<?php
class Car {
  public $color;
  public $model;
  public function __construct($color, $model) {
    $this->color = $color;
    $this->model = $model;
  }
  public function message() {
    return "My car is a " . $this->color . " " . $this->model . "!";
  }
}

$myCar = new Car("black", "Volvo");
echo $myCar -> message();
echo "<br>";
$myCar = new Car("red", "Toyota");
echo $myCar -> message();
?>

NULL

<?php
$x = "Hello world!";
$x = null;
var_dump($x);
?>