<?php
$bigArray = array(
array('John','2012-03-29',1),
array('Doe','2012-03-30',1),
array('John','2012-03-31',2),
array('Doe','2012-03-31',5),
array('Tom','2012-03-31',5),
array('John','2012-04-02',5),
array('John','2012-04-02',21),
array('John','2012-03-07',21)
);
$cache = array();
foreach ($bigArray as $v) {
if (isset($cache[$v[1]])) {
if ($cache[$v[1][1]] == $v[2]) {
echo "Equal";
$cache[$v[1]] = array($v[0].','.$cache[$v[1]][0], $v[2]);//append user to same value
}
else if ($cache[$v[1][1]] < $v[2]) {
echo "Replacing value! ".$cache[$v[1]][0]. " to " .$v[0]."<br/>";
$cache[$v[1]] = array($v[0], $v[2]);
}
} else {
$cache[$v[1]] = array($v[0], $v[2]);
}
}
print_r($cache);
?>
这个脚本查找最高值特定日期并将其保存到一个新的数组$cache
相同的数组值不相等?
但是如果检查的最高值是在同一天相等时,则返回false?
array(
array('Doe','2012-03-31',5),
array('Tom','2012-03-31',5),
)
上面的数组是什么令我困惑。不应该算作比赛吗?
输出:
Replacing value! John to Doe
Replacing value! Doe to Tom
Replacing value! John to John
Array
(
[2012-03-29] => Array
(
[0] => John
[1] => 1
)
[2012-03-30] => Array
(
[0] => Doe
[1] => 1
)
[2012-03-31] => Array
(
[0] => Tom
[1] => 5
)
[2012-04-02] => Array
(
[0] => John
[1] => 21
)
[2012-03-07] => Array
(
[0] => John
[1] => 21
)
)
+1,太迟了1分钟:) –
哇,我不敢相信我没有看到。非常感谢! – user521903
这就是为什么使用具有明确命名键的关联数组使事情变得更容易...... :) – deceze