Php 忽略多维数组中的两个重复项
我正在使用一个API,它可以为员工带回假期数据。该数据包含已批准的假日请求以及已取消的假日请求。我面临的问题是,取消的假日请求以以下格式显示为重复条目:Php 忽略多维数组中的两个重复项,php,arrays,multidimensional-array,Php,Arrays,Multidimensional Array,我正在使用一个API,它可以为员工带回假期数据。该数据包含已批准的假日请求以及已取消的假日请求。我面临的问题是,取消的假日请求以以下格式显示为重复条目: stdClass Object ( [leave_requests] => Array ( [0] => stdClass Object ( [employee] => stdClass Object
stdClass Object
(
[leave_requests] => Array
(
[0] => stdClass Object
(
[employee] => stdClass Object
(
[id] => 30771
)
[reviewed_by] => stdClass Object
(
[id] => 22734
)
[reason] =>
[type] => Holiday
[deducted] => 1.0
[cancelled] =>
[id] => 626214
[start_date] => 2015-08-20
[half_start] =>
[half_start_am_pm] =>
[end_date] => 2015-08-20
[half_end] =>
[half_end_am_pm] =>
[action] => request
[status] => approved
[notes] =>
[created_at] => 2015-08-06T21:55:12+01:00
[updated_at] => 2015-08-07T08:26:07+01:00
)
[1] => stdClass Object
(
[employee] => stdClass Object
(
[id] => 30771
)
[reviewed_by] => stdClass Object
(
[id] => 22734
)
[reason] =>
[type] => Holiday
[deducted] => 1.0
[cancelled] =>
[id] => 632745
[start_date] => 2015-08-20
[half_start] =>
[half_start_am_pm] =>
[end_date] => 2015-08-20
[half_end] =>
[half_end_am_pm] =>
[action] => cancel
[status] => approved
[notes] =>
[created_at] => 2015-08-12T17:50:32+01:00
[updated_at] => 2015-08-12T17:53:46+01:00
)
)
)
理想情况下,数据将被格式化,以便使用取消的属性,并且我可以过滤掉它(这是开发人员要求的)。我想做的是删除具有相同开始日期和结束日期的两个条目
目前,我可以使用此功能删除副本
function super_unique($array)
{
$newArr = array();
foreach ($array as $val) {
$newArr[$val['startDate']] = $val;
}
$array = array_values($newArr);
return $array;
}
这有两个问题,因为我仍然有一个条目,因为假期请求已被取消,我不希望数据中有任何一个条目。过滤数据以排除所有具有action属性“cancel”的元素仍将保留原始请求
另一个问题是,上述函数仅基于开始日期进行过滤,而不是同时基于开始日期和结束日期进行过滤
查看了PHP文档页面上的注释,以及关于数组值和数组唯一性的注释。我对您当前的代码做了一些轻微的修改,请参见代码中的注释:
function super_unique($array)
{
$newArr = array();
foreach ($array as $val) {
// Create a key by combining start/end dates
$key = $val['startDate'].$val['endDate'];
// Have we already seen this start/end date combination?
if (array_key_exists($key, $newArr)) {
$val = null; // Clear element value, like "remove this later on"
}
$newArr[$key] = $val; // Add to/update key index (actual value or null)
}
// Remove all elements with unset (null) values
$array = array_filter(array_values($newArr));
return $array;
}
$a = [['startDate' => '2015-08-20', // Exists twice - should be removed
'endDate' => '2015-08-22'],
['startDate' => '2015-08-20', // Unique start/end combination
'endDate' => '2015-08-20'],
['startDate' => '2015-08-21', // Unique start/end combination
'endDate' => '2015-08-21'],
['startDate' => '2015-08-20', // Exists twice - should be removed
'endDate' => '2015-08-22'],
['startDate' => '2015-08-22', // Unique start/end combination
'endDate' => '2015-08-20'],
];
print_r(super_unique($a));
输出:
Array
(
[1] => Array
(
[startDate] => 2015-08-20
[endDate] => 2015-08-20
)
[2] => Array
(
[startDate] => 2015-08-21
[endDate] => 2015-08-21
)
[3] => Array
(
[startDate] => 2015-08-22
[endDate] => 2015-08-20
)
)