Mega Code Archive
Find the Maximum Value in a Multidimensional Array
<![CDATA[
<?php
function recursive_array_max($a) {
foreach ($a as $value) {
if (is_array($value)) {
$value = recursive_array_max($value);
}
if (!(isset($max))) {
$max = $value;
} else {
$max = $value > $max ? $value : $max;
}
}
return $max;
}
$dimensional = array(
7,
array(3, 5),
array(5, 4, 7, array(3, 4, 6), 6),
14,
2,
array(5, 4, 3)
);
$max = recursive_array_max($dimensional);
echo "<p>The maximum value was: {$max}</p>";
?>
]]>