Function PHP

Fungsi/Function

Fungsi merupakan sebuah blok program yang dapat dieksekusi kapanpun kita memerlukannya.

Program10-1.php

<html>

<body>

<?php

function writeMyName()

  echo "Kai Jim Refsnes";

writeMyName();

?>

</body>

</html>

Program10-2.php:

<html>

<body>

<?php

function writeMyName()

  echo "Kai Jim Refsnes";

echo "Hello world!<br />";

echo "My name is ";

writeMyName();

echo ".<br />That's right, ";

writeMyName();

echo " is my name.";

?>

</body>

</html>

Ouput program:

Hello world!

My name is Kai Jim Refsnes.

That's right, Kai Jim Refsnes is my name.

Program10-3.php

<html>

<body>

<?php

function writeMyName($fname)

  echo $fname . " Refsnes.<br />";

echo "My name is ";

writeMyName("Kai Jim");

echo "My name is ";

writeMyName("Hege");

echo "My name is ";

writeMyName("Stale");

?>

</body>

</html>

output program:

My name is Kai Jim Refsnes.

My name is Hege Refsnes.

My name is Stale Refsnes.

Program10-4.php

<html>

<body>

<?php

function writeMyName($fname,$punctuation)

  echo $fname . " Refsnes" . $punctuation . "<br />";

echo "My name is ";

writeMyName("Kai Jim",".");

echo "My name is ";

writeMyName("Hege","!");

echo "My name is ";

writeMyName("Ståle","...");

?>

</body>

</html>

output:

My name is Kai Jim Refsnes.

My name is Hege Refsnes!

My name is Ståle Refsnes...

Program10-5.php

<html>

<body>

<?php

function add($x,$y)

  $total = $x + $y;

  return $total;

echo "1 + 16 = " . add(1,16)

?>

</body>

</html>

output :

1 + 16 = 17