php 操作数组有关问题
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2024-02-10 09:07:04
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php 操作数组问题
有数组如下：
想得到如下的结果,
数组个数为当月的天数date('t',time())，如果上面$html中有的,则用上面的数组，没有的则添0
如下、
谢谢
------解决方案--------------------
有数组如下：
- PHP code
//以下是打印出的结果
$html = array('2012-05-02'=>1,'2012-05-07'=>1,'2012-05-24'=>2,'2012-05-25'=>2,'2012-05-28'=>3);
print_r($html);
//Array ( [2012-05-02] => 1 [2012-05-07] => 1 [2012-05-24] => 2 [2012-05-25] => 2 [2012-05-28] => 3 )
想得到如下的结果,
数组个数为当月的天数date('t',time())，如果上面$html中有的,则用上面的数组，没有的则添0
如下、
- PHP code
Array ( [2012-05-01]=>0 [2012-05-02] => 1 [2012-05-03]=>0 [2012-05-04]=>0 ... [2012-05-07] => 1 ... [2012-05-24] => 2 [2012-05-25] => 2 [2012-05-28] => 3 )
谢谢
------解决方案--------------------
- PHP code
$html = array('2012-05-02'=>1,'2012-05-07'=>1,'2012-05-24'=>2,'2012-05-25'=>2,'2012-05-28'=>3);
$ar_tmp = range(1, date('t'));
$ar = array();
foreach($ar_tmp as $v) $ar[date('Y-m-').str_pad($v, 2, '0', STR_PAD_LEFT)] = 0;
print_r(array_merge($ar, $html));
------解决方案--------------------
- PHP code
[User:root Time:12:16:00 Path:/home/liangdong/php]$ php date.php
Array
(
[2012-05-01] => 0
[2012-05-02] => 1
[2012-05-03] => 0
[2012-05-04] => 0
[2012-05-05] => 0
[2012-05-06] => 0
[2012-05-07] => 1
[2012-05-08] => 0
[2012-05-09] => 0
[2012-05-10] => 0
[2012-05-11] => 0
[2012-05-12] => 0
[2012-05-13] => 0
[2012-05-14] => 0
[2012-05-15] => 0
[2012-05-16] => 0
[2012-05-17] => 0
[2012-05-18] => 0
[2012-05-19] => 0
[2012-05-20] => 0
[2012-05-21] => 0
[2012-05-22] => 0
[2012-05-23] => 0
[2012-05-24] => 2
[2012-05-25] => 2
[2012-05-26] => 0
[2012-05-27] => 0
[2012-05-28] => 3
[2012-05-29] => 0
[2012-05-30] => 0
[2012-05-31] => 0
)
[User:root Time:12:16:01 Path:/home/liangdong/php]$ cat date.php
1,'2012-05-07' => 1,'2012-05-24' => 2,'2012-05-25' => 2,'2012-05-28' => 3);
date_default_timezone_set('PRC');
$mday = array_map(
function($input) {
return str_pad($input, 2, "0", STR_PAD_LEFT);
}, range(1, date('t')));
$prefix = date('Y-m-');
foreach ($mday as $day) {
$date = $prefix . $day;
if (!array_key_exists($date, $html)) {
$html[$date] = 0;
}
}
ksort($html, SORT_REGULAR);
print_r($html);
?>
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