What are the types of variables in php?

Example -

PHP is a loosely typed language that means you do not need to declare the data type of variables in php. PHP statements and PHP variables are case-sensitive. All variables should start with $ sign. There are 4 types of variables in php.

1.      local

2.      global

3.      static

4.      parameter

Code and Syntax –

<?php
$x=5; // global scope

function myvarTest()
{
global $x;   // access global variables from local scope

$p=10;         // local variable
echo $x;

}

myvarTest();

?>

Static variable example –

<?php

function myvarTest()
{
static $vx=0;
echo $vx;
$vx++;
}

myvarTest ();
myvarTest ();
myvarTest ();

?>

Parameter variable example –

<?php

function myvarTest($vx)
{
echo $vx;
}

myvarTest(45);

?>

                    

Explanation –

Above example shows how we can use local and global variables in php.

This is how you can use variables in php.

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