datatype in php

 <?php

$name = "Harry";

$income = 200;

/* php data types

1. String

2. Integer

3. Float

4. Boolean

5. Object

6. Array

7. NULL

*/

// String - sequence of characters

$name = "Harry";

$friend = 'Rohan';

echo "$name ka friend is $friend";

// Integer - Non decimal number

$income = 455;

$debts = -655;

echo "<br>";

echo $income;

echo "<br>";

echo $debts;

echo "<br>";

// Float - Decimal point number

$income = 344.5;

$debts = -45.5;

echo $income;

echo "<br>";

echo $debts;

echo "<br>";

// Boolean - Can be either true or false

$x = true;

$is_friend = false;

echo var_dump($x);

echo "<br>";

echo var_dump($is_friend);

echo "<br>";

// Object - Instances of classes

// Employee is a class ---> harry can be one object

// Array - Used to store multiple values in a single variable

$friends = array("rohan", "shubham", "skillf", "Larry");

echo var_dump($friends);

echo "<br>";

echo $friends[0];

echo "<br>";

echo $friends[1];

echo "<br>";

echo $friends[2];

echo "<br>";

echo $friends[3];

echo "<br>";

//echo $friends[4]; // will throw an error as the size of array is 4

// NULL

$name = NULL;

echo var_dump($name);

?>

OUT PUT