อะเรย์หลายมิติ (Multidimesion array)

<?php
$row_0 = array(1, 2, 3);
$row_1 = array(4, 5, 6);
$row_2 = array(7, 8, 9);
$multi = array($row_0, $row_1, $row_2);
/*
$multi = array(
		array(1, 2, 3),
		array(4, 5, 6),
		array(7, 8, 9)
	);
*/
?>

<?php
// แบบ index
$multi = array(
		array(1, 2, 3),
		array(4, 5, 6),
		array(7, 8, 9)
	);
?>

<?php
$multi[0][0] = 1;
$multi[0][1] = 2;
$multi[0][2] = 3;
$multi[1][0] = 4;
$multi[1][1] = 5;
$multi[1][2] = 6;
$multi[2][0] = 7;
$multi[2][1] = 8;
$multi[2][2] = 9;
?>

การอ้างอิง key ในอะเรย์แบบหลายมิติ

<?php
$value = $multi[0][1];
// $value = 1

$value = $multi[2][0];
// $value = 7
?>