PHP Program 2 : Write a PHP script to demonstrate use of global and local and static and constant variables.
Software Required: - Notepad, WordPad, Notepad++, Dreamweaver,Wamp/Xampp
Pre-requisite: - Basic knowledge of editor
Theory/Logic: -
v Constants: -
Ø Syntax: -
define (name, value, case-insensitive)
Ø name: Specifies the name of the constant
Ø value: Specifies the value of the constant
Ø Case-insensitive: Specifies whether the constant name should be case-insensitive.
Ø Default is false.
v Static Variable:
Ø Syntax: -
Static $VariableName = value;
v Code: -
<html>
<head><title>PHP
Program</title></head>
<body>
<?php
$x
= 40;
define("PIE",
"3.14");
function inc()
{
static $y =
1;
echo
"Inside inc() y is now : $y<br /><br />";
$y++;
}
function
myTest() {
$x
= 19;
echo
"<p>Local Variable x inside function is: $x</p>";
echo
"Static Variable y inside function, ";
inc();
echo
"Constant Variable z inside function is: ".PIE;
}
myTest();
echo
"<p>Global Variable x outside function is: $x</p>";
echo
"Static Variable y outside function, ";
inc();
echo
"Constant Variable z outside function is: ".PIE;
?>
</body>
</html>
v Output: -
No comments: