PHP数组合并在同一个键一个数组 [英] PHP Array Merge two Arrays on same key
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问题描述
我想下面的两个数组合并成一个数组,共享同一个密钥:
第一个数组:
阵列(3){
[0] =>
阵列(1){
[摄像机1] =>
串(14)192.168.101.71
}
[1] =>
阵列(1){
[摄像机2] =>
串(14)192.168.101.72
}
[2] =>
阵列(1){
[照相机] =>
串(14)192.168.101.74
}
}
第二个数组:
阵列(3){
[0] =>
阵列(1){
[摄像机1] =>
串(2)VT
}
[1] =>
阵列(1){
[摄像机2] =>
串(2)UB
}
[2] =>
阵列(1){
[照相机] =>
串(2)FX
}
}
正如你所看到的,它们共享相同的密钥(摄像机1,摄像机,Camera3等)
下面是我曾尝试:
$的testvar = array_merge($ NewArrayCam,$ IpAddressArray);
的foreach($的testvar AS $ NEWVALS){
$凸轮=阵列();
的foreach($ NEWVALS AS $ K => $ V){
$凸轮[] =阵列($ K => $ V);
}
解决方案
理想的情况下我会看两个阵列以这样一种方式, array_merge_recursive
只会合并阵列格式没有太多的计较。
不过,我也拿出了所使用的溶液 array_map
。
$ ARRAY1 =阵列(
阵列(摄像机1=>中192.168.101.71),
阵列(摄像机2=>中192.168.101.72),
阵列(照相机=>中192.168.101.74),
);$数组2 =阵列(
阵列(摄像机1=>中的VT),
阵列(摄像机2=>中UB),
阵列(照相机=>中的FX)
);$结果=阵列();array_map(函数($ A,$ B)使用(安培; $结果){ $键=电流(array_keys($ A));
美元[$关键] =阵列(IP= GT; $ a [$关键]); //再次获取密钥作为第二阵列可以具有不同的密钥。
$键=电流(array_keys($ B));
$ B [$关键] =阵列('名'=> $ B [$关键]); $结果+ = array_merge_recursive($ A,$ B);} $数组1,$数组2);后续代码var_dump($结果);
输出是:
阵列(大小= 3)
摄像机1'=>
阵列(尺寸= 2)的
IP=>字符串'192.168.101.71'(长度= 14)
'名'=>字符串'VT'(长度= 2)
摄像机2'=>
阵列(尺寸= 2)的
IP=>字符串'192.168.101.72'(长度= 14)
'名'=>字符串'UB'(长度= 2)
Camera3'=>
阵列(尺寸= 2)的
IP=>字符串'192.168.101.74'(长度= 14)
'名'=>字符串FX(长度= 2)
I am trying to merge the following two arrays into one array, sharing the same key:
First Array:
array(3) {
[0]=>
array(1) {
["Camera1"]=>
string(14) "192.168.101.71"
}
[1]=>
array(1) {
["Camera2"]=>
string(14) "192.168.101.72"
}
[2]=>
array(1) {
["Camera3"]=>
string(14) "192.168.101.74"
}
}
Second Array:
array(3) {
[0]=>
array(1) {
["Camera1"]=>
string(2) "VT"
}
[1]=>
array(1) {
["Camera2"]=>
string(2) "UB"
}
[2]=>
array(1) {
["Camera3"]=>
string(2) "FX"
}
}
As you can see, they share the same key (Camera1, Camera2, Camera3, etc..)
Here is what I have tried:
$Testvar = array_merge($NewArrayCam,$IpAddressArray);
foreach ($Testvar AS $Newvals){
$cam = array();
foreach($Newvals AS $K => $V){
$cam[] = array($K => $V);
}
解决方案
Ideally I would look to format the two arrays in such a way that array_merge_recursive
would simply merge the arrays without too much fuss.
However I did come up with a solution that used array_map
.
$array1 = array(
array("Camera1" => "192.168.101.71"),
array("Camera2" => "192.168.101.72"),
array("Camera3" => "192.168.101.74"),
);
$array2 = array(
array("Camera1" => "VT"),
array("Camera2" => "UB"),
array("Camera3" => "FX")
);
$results = array();
array_map(function($a, $b) use (&$results) {
$key = current(array_keys($a));
$a[$key] = array('ip' => $a[$key]);
// Obtain the key again as the second array may have a different key.
$key = current(array_keys($b));
$b[$key] = array('name' => $b[$key]);
$results += array_merge_recursive($a, $b);
}, $array1, $array2);
var_dump($results);
The output is:
array (size=3)
'Camera1' =>
array (size=2)
'ip' => string '192.168.101.71' (length=14)
'name' => string 'VT' (length=2)
'Camera2' =>
array (size=2)
'ip' => string '192.168.101.72' (length=14)
'name' => string 'UB' (length=2)
'Camera3' =>
array (size=2)
'ip' => string '192.168.101.74' (length=14)
'name' => string 'FX' (length=2)
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