例子 1. usort() 例子<?php
function cmp ($a, $b) {
if ($a == $b) return 0;
return ($a < $b) ? -1 : 1;
}$a = array (3, 2, 5, 6, 1);usort ($a, "cmp");while (list ($key, $value) = each ($a)) {
echo "$key: $value\n";
}
?> 本例将显示: 0: 1
1: 2
2: 3
3: 5
4: 6
function cmp ($a, $b) {
if ($a == $b) return 0;
return ($a < $b) ? -1 : 1;
}$a = array (3, 2, 5, 6, 1);usort ($a, "cmp");while (list ($key, $value) = each ($a)) {
echo "$key: $value\n";
}
?> 本例将显示: 0: 1
1: 2
2: 3
3: 5
4: 6
<?
$a = array (3, 2, 5, 6, 1);
echo max($a); // out 6
?>
同意!!!