具有多个值的多维数组的筛选和排序
具有多个值的多维数组的筛选和排序
提问于 2014-01-23 21:30:37
我有一个大型多维数组，如下所示：
Array(
[1] => Array ( [type] => blah1 [category] => cat1 [exp_range] => this_week )
[2] => Array ( [type] => blah1 [category] => cat2 [exp_range] => next week )
[3] => Array ( [type] => blah1 [category] => cat1 [exp_range] => next week )
[4] => Array ( [type] => blah2 [category] => cat2 [exp_range] => this_week )
)我希望能够用多个过滤器过滤这个数组。
例如：筛选类别= cat1和type = blah1将返回数组1和3。
下面的函数将返回键1,2,3，这是不正确的，因为数组2没有cat1和blah1
有人能看到我需要做些什么才能让这件事奏效吗？
如果是这样的话，是否有可能将索尔丁纳入这一功能？
function array_searcher($needles, $array) {
foreach ($needles as $needle) {
foreach ($array as $key => $value) {
foreach ($value as $v) {
if ($v == $needle) {
$keys[] = $key;
}
}
}
}
return $keys;
}Stack Overflow用户
发布于 2014-01-23 21:53:06
做：
$arr = array(
1 => array ( "type" => "blah1", "category" => "cat1", "exp_range" => "this_week" ),
2 => array ( "type" => "blah1", "category" => "cat2", "exp_range" => "next week" ),
3 => array ( "type" => "blah1", "category" => "cat1", "exp_range" => "this_week" ),
4 => array ( "type" => "blah2", "category" => "cat2","exp_range" => "next week" ),
);
function filter(array $arr,array $params){
$out = array();
foreach($arr as $key=>$item){
$diff = array_diff_assoc($item,$params);
if (count($diff)==1) // if count diff == 1 - Ok
$out[$key] = $item;
}
return $out;
}
$out = filter($arr,array("type" => "blah1", "category" => "cat1"));
echo '<pre>';
print_r($out);
echo '</pre>';
// output
Array
(
[1] => Array
(
[type] => blah1
[category] => cat1
[exp_range] => this_week
)
[3] => Array
(
[type] => blah1
[category] => cat1
[exp_range] => this_week
)
)页面原文内容由Stack Overflow提供。腾讯云小微IT领域专用引擎提供翻译支持
原文链接：
https://stackoverflow.com/questions/21319729
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