如何在 PHP 中连接两个多维数组


how to join two multidimensional arrays in php

如何在PHP中连接两个多维数组?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")); 

将 A 和 B 连接起来形成 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"));

使用 array_merge 函数,如下所示:

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

当我运行上面的脚本时,它将输出:

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 
    )
) 

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

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

应该做这个技巧(文档)。

你尝试过一些PHP数组函数吗?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);

你也可以这样做

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

遇到了同样的情况,我不得不在日历中显示重复的事件

所以我使用了这个解决方案:-

 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);
}

所需的数组输出

$a = array('a', 'b', 'c', 'd');
$b = array('a','e', 'f', 'g');
$c = array('h', 'i', 'j');
$d = array('k', 'l', 'm', 'n', 'o');
print_r(array_interlace($a, $b, $c, $d));
Array
(
[0] => a
[1] => a
[2] => h
[3] => k
[4] => b
[5] => e
[6] => i
[7] => l
[8] => c
[9] => f
[10] => j
[11] => m
[12] => d
[13] => g
[14] => n
[15] => o
)

我发现这个解决方案合适..