'value1',
		'key2' => 'value2',
		'key3' => array(
			'subkey1' => 'subvalue1',
			'subkey2' => 'subvalue2',
			'subkey3' => 'subvalue3'
		)
	);

	// If you don't know the key that holds a sub-array.
	foreach ($array_name as $key => $value)
	{
		// Loop through the array, looking for a value that's an array.
		if (is_array($value))
		{
			// Then look through the sub-array.
			foreach ($value as $subkey => $subvalue)
			{
				echo $subkey, ' => ', $subvalue, "\n";
			}
		}
	}

	echo "\n";

	// If you do know the key of the sub-array, just use the foreach function on the key.
	foreach ($array_name['key3'] as $subkey => $subvalue)
	{
		echo $subkey, ' => ', $subvalue, "\n";
	}

?>