/*1. arsort() */
Key=Petteri, Value=43
Key=Pena, Value=37
Key=Joni, Value=22
<?php
$ikä=array("Petteri"=>"43","Pena"=>"37","Joni"=>"22");
arsort($ikä);
foreach($ikä as $x=>$x_value)
{
echo "Key=" . $x . ", Value=" . $x_value;
echo "
";
}
?>
/*2. asort() */
Key=Joni, Value=22
Key=Pena, Value=37
Key=Petteri, Value=43
<?php
$ikä=array("Petteri"=>"43","Pena"=>"37","Joni"=>"22");
asort($ikä);
foreach($ikä as $x=>$x_value)
{
echo "Key=" . $x . ", Value=" . $x_value;
echo "
";
}
?>
/*3. compact() */
Array
(
[etunimi] => Petteri
[sukunimi] => Aarnikotka
[ikä] => 43
)
<?php
$etunimi = "Petteri";
$sukunimi = "Aarnikotka";
$ikä = "43";
$tulos = compact("etunimi", "sukunimi", "ikä");
print_r($tulos);
?>
/*4. count() */
3
<?php
$autot=array("Volvo","BMW","Toyota");
echo count($autot);
?>
/*5. current() */
Petteri
<?php
$ihmiset = array("Petteri", "Joni", "Ken", "Kari");
echo current($ihmiset) . "
";
?>