1:58:00 pm
Bab 10
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>
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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>
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Ouput program:
Hello world!
My name is Kai Jim Refsnes.
That's right, Kai Jim Refsnes is my name.
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Fungsi berparameter
Program10-3.php
<html>
<body>
<?php
function writeMyName($fname)
{
echo $fname . " Refsnes.<br />";
}
echo "My name is ";
writeMyName("Kai Jim");
echo "My name is ";
writeMyName("Hege");
echo "My name is ";
writeMyName("Stale");
?>
</body>
</html>
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output program:
My name is Kai Jim Refsnes.
My name is Hege Refsnes.
My name is Stale Refsnes.
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Program10-4.php
<html>
<body>
<?php
function writeMyName($fname,$punctuation)
{
echo $fname . " Refsnes" . $punctuation . "<br />";
}
echo "My name is ";
writeMyName("Kai Jim",".");
echo "My name is ";
writeMyName("Hege","!");
echo "My name is ";
writeMyName("Ståle","...");
?>
</body>
</html>
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output:
My name is Kai Jim Refsnes.
My name is Hege Refsnes!
My name is Ståle Refsnes...
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Fungsi yang mengembalikan sebuah nilai
Program10-5.php
<html>
<body>
<?php
function add($x,$y)
{
$total = $x + $y;
return $total;
}
echo "1 + 16 = " . add(1,16)
?>
</body>
</html>
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