Web Development and Design | Tutorial for Java, PHP, HTML, Javascript: function

Web Development and Design | Tutorial for Java, PHP, HTML, Javascript: function
Showing posts with label function. Show all posts
Showing posts with label function. Show all posts

PHP Functions

 
PHP Functions

php function


Learn How To Create Functions in PHP.
Function are of Four Types :-

a. No Argument With No Return Type
b.No Argument With Return Type
c.Argument With No Return type
d.Argument With return Type

Now Lets Start.

Example of function :-

function hello() // create function hello
{
//body and scope of function
}


1. No Argument With No Return Type

Code : -

<?php

function hello() // Create a function hello with no argument
{
echo “Calling Function hello”;
}

hello(); // Calling Function hello
// Output : Calling Function Hello
?>

2. No Argument With Return Type

Code : -

<?php

function hello() // Create a function hello with no argument
{
$str=“Calling Function hello”;
return $str; // Return Value
}

echo hello(); // Calling Function hello Here We Use Echo To Print
//Because it Only Return Value Not Print it
// Output : Calling Function Hello
?>

3. Argument With No Return Type

Code : -

<?php


function hello($a) // Create a function hello with argument
{
echo $a; // Print Value
}

$ab=”hello test”;

hello($ab); // Calling Function hello With Parameter $ab
// Output : hello test
?>

4. Argument With Return Type

Code : -

<?php


function hello($a) // Create a function hello with argument
{
$a=ucfirst($a);
return $a; // Return Value
}

$ab=”hello test”;

$out=hello($ab); // Calling Function hello With Parameter $ab
echo $out; // Output : Hello test Here first letter of word is capitalize
?>
Thank You
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