<?php if(isset($_GET["btnSubmit"])){ $name=$_GET["txtName"]; $age=$_GET["txtAge"]; echo "Hi, ".$name.". Your age is ".$age; } ?> <form action="#" method="get"> <div>Name<br/> <input type=...

Static variable: <?php function demo(){ STATIC $count=0; //here $count is static variable $count++; echo $count; } demo(); demo(); demo(); ?>...

Function parameter: <?php $y=34; //here $y is global variable function demo($a,$b){ //here $a and $b is function parameter $x=54; echo $x; //here $x is local variable because it is inside the function } ?>...

Global variable: <?php $y=34; //here $y is global variable function demo(){ $x=54; echo $x; //here $x is local variable because it is inside the function } ?>...

Local variable: <?php function demo(){ $x=54; echo $x; //here $x is local variable because it is inside the function } ?>...

Variable Scope: 1. Local variable 2. Function parameters 3. Global variables 4. Static variables...

$This&that $!counter $4word...

Identifier: Identifier is a general term applied to variables, functions, and various other user-defined objects....

sir,1st one HTML, then 2nd Javascript ,AND= 3th "PHP".what can we are start PHP with out javascript ?...

Next Topics : 1. Juggling 2. Identifiers 3. Variable and Variable Scope...