PHP supports following Data Types:
Example: The function var_dump() returns the data type and value.
[php]
<?php
$a = 258;
var_dump($a);
?>
[/php]
Example:
[php]
<?php
$a = "Welcome to SPLessons!";
$b = ‘Welcome to SPLessons!’;
echo $a;
echo "<br>";
echo $b;
?>
[/php]
Example:
[php]
<?php
$a = 25.365;
var_dump($a);
?>
[/php]
true
or false
.
Example:
[php]
$a = true;
$b = false;
[/php]
array()
keyword is used to define an array.
Example:
[php]
<?php
$operating_systems = array("Windows","Linux","Unix");
var_dump($operating_systems);
?>
[/php]
[php]
<?php
$a = "Welcome to SPLessons!!";
$a = null;
var_dump($a);
?>
[/php]
[php]
<?php
class OS {
function OS() {
$this->model = "Linux";
}
}
// create an object
$version = new OS();
// show object properties
echo $version->model;
?>
[/php]
<!DOCTYPE html>
<html>
<body>
<?php
$a = 5896;
var_dump($a);
echo "<br><br>";
$b = 10.365;
var_dump($b);
echo "<br><br>";
$c = "Hello world!";
echo $c;
echo "<br><br>";
$operating_systems = array("Windows","Linux","Unix");
var_dump($operating_systems);
echo "<br><br>";
$d = "Welcome to SPLessons!!";
$d = null;
var_dump($d);
?>
</body>
</html>
[/php]
Output: