string(5) "68,78" [2] => string(5) "65,78" [3] => string(5) "60,82" 但是数据处理需要得到的内容应该为array(1){ {代码...} } 请..."/> string(5) "68,78" [2] => string(5) "65,78" [3] => string(5) "60,82" 但是数据处理需要得到的内容应该为array(1){ {代码...} } 请...">

Heim  >  Artikel  >  Backend-Entwicklung  >  PHP 数组的拼接重组

PHP 数组的拼接重组

WBOY
WBOYOriginal
2016-08-23 09:17:463907Durchsuche

现在的代码是这样的
array(6) {
[0] => string(5) "58,86"
[1] => string(5) "68,78"
[2] => string(5) "65,78"
[3] => string(5) "60,82"

但是数据处理需要得到的内容应该为
array(1){

<code>[0] => 58,68,65,60
[1] => 86,78,78,82</code>

}

请问下 数据处理 如何处理

想了想之后 思路是 先遍历然后 拆分值 再拼接 只不过在最后组装的时候有1个空的key 不知道从哪里来的
array(6) {
[0] => string(5) "58,86"
[1] => string(5) "68,78"
[2] => string(5) "65,78"
[3] => string(5) "60,82"
[4] => string(3) "094"
[5] => string(2) "40"
}、

foreach($lsj['data'] as $key=>$val){

<code>    $a[''] = $a[$key] = explode(',',$val);
   }
   </code>

之后得到
array(7) {
[0] => array(2) {

<code>[0] => string(2) "58"
[1] => string(2) "86"</code>

}
[""] => array(1) {

<code>[0] => string(2) "40"</code>

}
[1] => array(2) {

<code>[0] => string(2) "68"
[1] => string(2) "78"</code>

}
[2] => array(2) {

<code>[0] => string(2) "65"
[1] => string(2) "78"</code>

}
[3] => array(2) {

<code>[0] => string(2) "60"
[1] => string(2) "82"</code>

}
[4] => array(1) {

<code>[0] => string(3) "094"</code>

}
[5] => array(1) {

<code>[0] => string(2) "40"</code>

}
}
然后在把相同的key 组装成一个新的数组 因为本人的PHP版本为5.4无法使用array_column 所有写了一个公共的方法 i_array_column()

$b['data1'] = i_array_column($a,'0');
$b['data2'] = i_array_column($a,'1');

得到1个数组
array(2) {
["data1"] => array(7) {

<code>[0] => string(2) "58"
[""] => string(2) "40"
[1] => string(2) "68"
[2] => string(2) "65"
[3] => string(2) "60"
[4] => string(3) "094"
[5] => string(2) "40"</code>

}
["data2"] => array(7) {

<code>[0] => string(2) "86"
[""] => NULL
[1] => string(2) "78"
[2] => string(2) "78"
[3] => string(2) "82"
[4] => NULL
[5] => NULL</code>

}
}
因为highcharts需要json格式 所以转换json格式
dump(json_encode($b));、
准换后结果为
string(146) "{"data1":{"0":"58","":"40","1":"68","2":"65","3":"60","4":"094","5":"40"},"data2":{"0":"86","":null,"1":"78","2":"78","3":"82","4":null,"5":null}}"

只不过不知道为什么会有一个空的数组

回复内容:

现在的代码是这样的
array(6) {
[0] => string(5) "58,86"
[1] => string(5) "68,78"
[2] => string(5) "65,78"
[3] => string(5) "60,82"

但是数据处理需要得到的内容应该为
array(1){

<code>[0] => 58,68,65,60
[1] => 86,78,78,82</code>

}

请问下 数据处理 如何处理

想了想之后 思路是 先遍历然后 拆分值 再拼接 只不过在最后组装的时候有1个空的key 不知道从哪里来的
array(6) {
[0] => string(5) "58,86"
[1] => string(5) "68,78"
[2] => string(5) "65,78"
[3] => string(5) "60,82"
[4] => string(3) "094"
[5] => string(2) "40"
}、

foreach($lsj['data'] as $key=>$val){

<code>    $a[''] = $a[$key] = explode(',',$val);
   }
   </code>

之后得到
array(7) {
[0] => array(2) {

<code>[0] => string(2) "58"
[1] => string(2) "86"</code>

}
[""] => array(1) {

<code>[0] => string(2) "40"</code>

}
[1] => array(2) {

<code>[0] => string(2) "68"
[1] => string(2) "78"</code>

}
[2] => array(2) {

<code>[0] => string(2) "65"
[1] => string(2) "78"</code>

}
[3] => array(2) {

<code>[0] => string(2) "60"
[1] => string(2) "82"</code>

}
[4] => array(1) {

<code>[0] => string(3) "094"</code>

}
[5] => array(1) {

<code>[0] => string(2) "40"</code>

}
}
然后在把相同的key 组装成一个新的数组 因为本人的PHP版本为5.4无法使用array_column 所有写了一个公共的方法 i_array_column()

$b['data1'] = i_array_column($a,'0');
$b['data2'] = i_array_column($a,'1');

得到1个数组
array(2) {
["data1"] => array(7) {

<code>[0] => string(2) "58"
[""] => string(2) "40"
[1] => string(2) "68"
[2] => string(2) "65"
[3] => string(2) "60"
[4] => string(3) "094"
[5] => string(2) "40"</code>

}
["data2"] => array(7) {

<code>[0] => string(2) "86"
[""] => NULL
[1] => string(2) "78"
[2] => string(2) "78"
[3] => string(2) "82"
[4] => NULL
[5] => NULL</code>

}
}
因为highcharts需要json格式 所以转换json格式
dump(json_encode($b));、
准换后结果为
string(146) "{"data1":{"0":"58","":"40","1":"68","2":"65","3":"60","4":"094","5":"40"},"data2":{"0":"86","":null,"1":"78","2":"78","3":"82","4":null,"5":null}}"

只不过不知道为什么会有一个空的数组

<code class="php"><?php $arr = ["58,86,1,18",
"68,78,2,17",
"65,78,3,17",
"60,82,4,19",
"4,5,6,18"];


array_walk($arr, function(&$item) {
    $item = explode(',', $item);
});

$new_arr = [];
$length = count($arr);
for ($i = 0; $i < $length; $i++) {
    $length1 = count($arr[$i]);
    for ($j = 0; $j < $length1; $j++) {
        $new_arr[$j][$i] = $arr[$i][$j];
    }
}

array_walk($new_arr, function(&$item) {
    $item = join(',', $item);
});

print_r($new_arr);</code></code>

矩阵转置, 上面这个方法可以推广到多维矩阵

写一个仅为你这个情况作处理的,分析了一下,你这个情况是把数组内的字符串进行分割的处理

<code>    $arr = array("58,86","68,78","65,78","60,82");
    foreach($arr as $key => $value){
        $tmp = explode(',',$value);
        $a[] = $tmp[0];
        $b[] = $tmp[1];
    }
    $c = array(
        implode(',',$a),implode(',',$b)
    );
    print_r($c);</code>
Stellungnahme:
Der Inhalt dieses Artikels wird freiwillig von Internetnutzern beigesteuert und das Urheberrecht liegt beim ursprünglichen Autor. Diese Website übernimmt keine entsprechende rechtliche Verantwortung. Wenn Sie Inhalte finden, bei denen der Verdacht eines Plagiats oder einer Rechtsverletzung besteht, wenden Sie sich bitte an admin@php.cn