Example #1
0
function print_names($node, $depth = 0)
{
    echo str_repeat("    ", $depth) . $node->name . "\n";
    foreach ($node->children as $child) {
        print_names($child, $depth + 1);
    }
}
<?php

$users = array("first_name" => "Michael", "last_name" => "Choi");
function print_names($array)
{
    echo 'There are ' . count($array) . ' keys in this array: first_name, last_name <br>';
    foreach ($array as $key => $value) {
        echo 'The value in the key ' . $key . ' is ' . $value . '. <br>';
    }
    echo '<br>';
}
print_names($users);