PHP Variables


PHP variables are containers, which use to storing information.

A variable starts with the dollar sign ($) in PHP, then write the variable name.

 

Syntax -

<?php
$variable_name = "Hello Dear!";
echo
 $variable_name // to print
?>

 

Example 1

<!DOCTYPE html>

<head>

  <title>Document</title>

</head>

<body>

<h4>PHP variables</h4>

 

<?php

$myfirstname = "sumit";

$mylastname="sarkar";

 

echo "$myfirstname"." "."$mylastname"

 

?>

</body>

</html>


Output

php variables

Example 2

<!DOCTYPE html>

<head>

  <title>Teknowize</title>

</head>

<body>

<h4>PHP variables</h4>

 

<?php

$x = 5;

$y = 4;

echo $x + $y;

?>

 

</body>

</html>


Output

php variables

Example 3

<!DOCTYPE html>

<head>

  <title>Document</title>

</head>

<body>

<h4>PHP variables</h4>

 

<?php

$firstname="sumit";

echo "$firstname"." dey" ." sarkar"

?>

 

</body>

</html>


Output

php variables