Question

我在数组值中有数组，如下所示。

Array
(
    [0] => Array
        (
            [0] => Array
                (
                    [Floor] => Floor-1
                )

            [1] => Array
                (
                    [Flat] => Flat A2
                )

            [2] => Array
                (
                    [Area] => Balcony,
                )

        )
)

我需要将其设为单关联数组，如下所示。

Array
(
    [0] => Array
        (
             [Floor] => Floor-1
             [Flat] => Flat A2
             [Area] => Balcony,
        )
)

我该怎么做？

Answer 1

这个例子可以帮到你。

<?php


$arr = array(
    array(
        'floor'=>'Floor-1'
        ),
    array(
        'Flat'=>'Flat A2'
        ),
    array(
        'Area'=>'Balcony,'
        ),
    );



$final_array = array();
foreach ($arr as $arr1) {

    foreach ($arr1 as $key => $value) {
        $final_array[$key] = $value;
    }

}


?>

输出

 Array
    (
        [floor] => Floor-1
        [Flat] => Flat A2
        [Area] => Balcony,
    )

这里我们创建了一个名为$final_array的空数组，我们将使用foreach循环追加此数组。

请记住，如果你有一个相同的数组键，那么最后一个值将覆盖如下。

<?php
$arr = array(
    array(
        'floor'=>'Floor-1',
        'floor'=>'Floor-2',
        ),
    array(
        'Flat'=>'Flat A2'
        ),
    array(
        'Area'=>'Balcony,'
        ),

     array(
        'Area'=>'Balcony2,'
        ),
    );



$final_array = array();
foreach ($arr as $arr1) {

    foreach ($arr1 as $key => $value) {
        $final_array[$key] = $value;
    }

}


?>

现在，输出将是

Array
(
    [floor] => Floor-2
    [Flat] => Flat A2
    [Area] => Balcony2,
)

Answer 2

<?php

$array = [
    [
        [
            'foo' => 'big'
        ],
        [
            'bar' => 'fat'
        ],
        [
            'baz' => 'mamma'
        ]
    ]
];

$merged[0] = array_reduce($array[0], function($carry, $item) {
    return array_merge((array) $carry, $item);
});

var_export($merged);

输出：

array (
  0 => 
  array (
    'foo' => 'big',
    'bar' => 'fat',
    'baz' => 'mamma',
  ),
)

Answer 3

此单行代码足以执行此操作

$newArr = call_user_func_array('array_merge',$dataArr); ///where $dataArr is your array..

call_user_func_array将使用参数数组调用回调函数，array_merge将在单个数组中合并所有这些参数阅读更多关于call_user_func_array()和array_merge()

的信息

示例代码：

<?php 
$dataArr = array(
                array(
                    'Floor'=>'Floor-1'
                    ),
                array(
                    'Flat'=>'Flat A2'
                    ),
                array(
                    'Area'=>'Balcony,'
                    ),
            );
$newArr = call_user_func_array('array_merge',$dataArr);
echo "<pre>"; print_r($newArr);
?>

这会给你：

Array
(
    [Floor] => Floor-1
    [Flat] => Flat A2
    [Area] => Balcony,
)

数组中的数组作为单个关联数组

3 个答案: