Question

我有一个这样的数组：

Array(
    [0] => Array(
            [id] => 1
            [name] => name1
            [table] => warehouse)
    [1] => Array(
            [id] => 2
            [name] => name2
            [table] => warehouse)
    [2] => Array(
            [id] => 3
            [name] => name1
            [table] => kitchen)
    [3] => Array(
            [id] => 4
            [name] => name5
            [table] => kitchen)
)

我希望得到这个结果。 array_unique不起作用，因为只有一个值相同，我想只用名称排序。 id和表格可以相同。

Array(
    [0] => Array(
            [id] => 1
            [name] => name1
            [table] => warehouse)
    [1] => Array(
            [id] => 2
            [name] => name2
            [table] => warehouse)
    [3] => Array(
            [id] => 4
            [name] => name5
            [table] => kitchen))

Answer 1

试试这个

$data = Array(
    [0] => Array(
            [id] => 1
            [name] => name1
            [table] => warehouse)
    [1] => Array(
            [id] => 2
            [name] => name2
            [table] => warehouse)
    [2] => Array(
            [id] => 3
            [name] => name1
            [table] => kitchen)
    [3] => Array(
            [id] => 4
            [name] => name5
            [table] => kitchen)
);

$record = array();
$name = array();
foreach($data as $key=>$value){
   if(!in_array($value['name'], $name)){
      $name[] = $value['name'];
      $record[$key] = $value;
   }

}
print_r($record);

Answer 2

如果您不使用vanilla-PHP，可以使用ouzo-goodies库执行此操作：

$uniqueByName = Arrays::uniqueBy($array, 'name');

Answer 3

这个怎么样？
它只有唯一的记录如果有几个类似的记录，最后一个将占优势。

$new = [];
foreach($array as $a) $new[$a['name']] = $a;
print_r($new);

如果您只希望以相同的方式占优势，您可能必须首先array_reverse()数组。

Answer 4

有2个foreach声明，你可以这样做..

让我们说些什么......

$arr1 = array("shayan","ali","shayan","maziar","pezhman","ali");
$arr2 = array();

foreach($arr1 as $element1)
{
foreach($arr1 as $element2)
{
if ($element1 != $element2 && !in_array($element1,$arr2))
{
array_push($arr2,$element1);
}
}
}
print_r($arr2);

希望它有所帮助＆lt; 3

Answer 5

您可以使用与ArrayHelper框架捆绑在一起的Yii。 $array = array_values(ArrayHelper::index($array, 'name'));

从php数组中删除重复（不是array_unique）

5 个答案: