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<?php
$cars = array("Volvo", "BMW", "Toyota");
echo "I like " . $cars[0] . ", " . $cars[1] . " and " . $cars[2] . ".";
?>

<?php
$cars = array("Volvo", "BMW", "Toyota");
echo "I like " . $cars[0] . ", " . $cars[1] . " and " . $cars[2] . ".";
?>

<?php
$cars = array("Volvo", "BMW", "Toyota");
echo count($cars);
?>

<?php
$cars = array("Volvo", "BMW", "Toyota");
$arrlength = count($cars);

for($x = 0; $x < $arrlength; $x++) {
    echo $cars[$x];
    echo "<br>";
}
?>

<?php
$age = array("Peter" => "35", "Ben" => "37", "Joe" => "43");
echo "Peter is " . $age['Peter'] . " years old.";
?>

<?php
$age = array("Peter" => "35", "Ben" => "37", "Joe" => "43");

foreach($age as $x => $x_value) {
    echo "Key=" . $x . ", Value=" . $x_value;
    echo "<br>";
}
?>