<?php
$data[0] = "Penguin";
$data[1] = "Duck";
$data[2] = "Camel";
$data[3] = "Ant";
$data[4] = "Whale";
print("出力:");
print(count($data));
print("<br/>");
for ($i = 0; $i < count($data); $i++) {
print($data[$i]);
print("<br/>");
}
?>