<?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);
?>
這個腳本查找最高值特定日期並將其保存到一個新的數組$cache
相同的數組值不相等?
但是如果檢查的最高值是在同一天相等時,則返回false?
array(
array('Doe','2012-03-31',5),
array('Tom','2012-03-31',5),
)
上面的數組是什麼令我困惑。不應該算作比賽嗎?
輸出:
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,太遲了1分鐘:) –
哇,我不敢相信我沒有看到。非常感謝! – user521903
這就是爲什麼使用具有明確命名鍵的關聯數組使事情變得更容易...... :) – deceze