Question

如何在php中加入两个多维数组？我有两个多维数组A和B.我需要连接A和B以形成一个新的数组C，如下所示

$A = array( 
array("a1"=>1,"b1"=>2,"c1"=>"A"), 
array("a1"=>1,"b1"=>16,"c1"=>"Z"), 
array("a1"=>3,"b1"=>8,"c1"=>"A")); 

$B = array( 
array("a2"=>1,"b2"=>2,"b2"=>"A"), 
array("a2"=>1,"b2"=>16,"b2"=>"G"), 
array("a2"=>3,"b2"=>8,"b2"=>"A"));

//加入A和B以形成C

$C=array( 
array("a1"=>1,"b1"=>2,"c1"=>"A"), 
array("a1"=>1,"b1"=>16,"c1"=>"Z"), 
array("a1"=>3,"b1"=>8,"c1"=>"A"),
array("a2"=>1,"b2"=>2,"b2"=>"A"), 
array("a2"=>1,"b2"=>16,"b2"=>"G"), 
array("a2"=>3,"b2"=>8,"b2"=>"A"));

Answer 1

使用array_merge功能，如下所示：

$C = array_merge($A, $B);
print_r($C);

当我运行上面的脚本时，它会输出：

Array ( 
    [0] => Array ( 
        [a1] => 1 
        [b1] => 2 
        [c1] => A 
        ) 
        [1] => Array ( 
            [a1] => 1 
            [b1] => 16 
            [c1] => Z ) 
        [2] => Array ( 
            [a1] => 3 
            [b1] => 8 
            [c1] => A 
        ) 
        [3] => Array ( 
            [a2] => 1 
            [b2] => A
        ) 
        [4] => Array ( 
            [a2] => 1 
            [b2] => G 
        ) 
        [5] => Array ( 
            [a2] => 3 
            [b2] => A 
        )
    )

快速阅读：http://php.net/manual/function.array-merge.php

Answer 2

$C = array_merge($A, $B);

应该做的伎俩（docs）。

Answer 3

您是否尝试过一些PHP数组函数？我认为其中一些工作：array_merge_recursive()，array_merge()。

$array1 = array("farbe" => "rot", 2, 4);
$array2 = array("a", "b", "farbe" => "grün", "form" => "trapezoid", 4);
$result = array_merge($array1, $array2);
print_r($result);

Answer 4

你也可以这样做

foreach($B as $key => $value){
    $C[$key] = array_merge($A[$key], $B[$key]);
}

Answer 5

您好我面临同样的情况，我必须在日历中显示重复的事件

所以我使用了这个解决方案： -

<?php

$arr = Array(Array
(
   'id' => 13,
   'pets' => 8,
   'num_of_times' => 3
),Array(
   'id' => 15,
  'pets' => 8,
  'num_of_times' => 6
),Array (
'id' => 16,
'pets' => 10,
'num_of_times' => 2
),Array(
'id' => 17,
'pets' => 9,
'num_of_times' => 4
),Array(
'id' => 18,
'pets' => 10,
'num_of_times' => 3
),Array(
'id' => 19,
'pets' => 10,
'num_of_times' => 10
),Array(
'id' => 20,
'pets' => 0,
'num_of_times' => 11
),Array(
'id' => 21,
'pets' => 8,
'num_of_times' => 9
),Array(
'id' => 22,
'pets' => 9,
'num_of_times' => 0
),Array(
'id' => 23,
'pets' => 4,
'num_of_times' => 3
),Array(
'id' => 24,
'pets' => 0,
'num_of_times' => 1
),Array(
'id' => 40,
'pets' => 8,
'num_of_times' => 0
),Array(
'id' => 43,
'pets' => 2,
'num_of_times' => 2,
));


$checker = array(); //array that holds the id with the count of use
$remove =array(); // array to remove in array to random 

for ($i = 1; $i <= 10; $i++) {

$newArray =array_diff(array_column($arr, 'id', 'id'),$remove); //the newarray to use in random with remove function for the id that has been used for 3x

$ids = array_rand($newArray, 5); 

foreach($ids as $id){

    if(!array_key_exists($id,$checker)){ // check if the id is existing in the checker key if yes

        $checker[$id] = 1; // insert value 1 in the array as the count of use

    }else{

        if(!empty($checker[$id]) && $checker[$id] < 3){ //check if the array has a value lower than 3

            $checker[$id]=$checker[$id]+1; // then add 1 value for the data as a increment of data usage

            if($checker[$id] == 3){ //check if da is already used 3x
                $remove[]=$id; //then add it to the variable remove
            }
        }
    }




}
echo implode(',',$ids).'</br>';

}

echo '<pre>';
echo print_r($checker);
echo '</pre>';

数组的必需输出

 public function array_interlace() {
    $args = func_get_args();
    $total = count($args);

    if($total < 2) {
        return FALSE;
    }

    $i = 0;
    $j = 0;
    $arr = array();

    foreach($args as $arg) {
        foreach($arg as $v) {
            $arr[$j] = $v;
            $j += $total;
        }

        $i++;
        $j = $i;
    }

    ksort($arr);
    return array_values($arr);
}

我发现这个解决方案很合适..

如何在php中连接两个多维数组

5 个答案: