Php 按相同的键和值对数组进行分组,并使用它创建json数据
我需要按相同的键和值对数组进行分组,并使用分组后的数组创建json数据 例如:我需要把它显示为Php 按相同的键和值对数组进行分组,并使用它创建json数据,php,arrays,json,Php,Arrays,Json,我需要按相同的键和值对数组进行分组,并使用分组后的数组创建json数据 例如:我需要把它显示为 Array ( [0] => Array ( [religion] => Christian [emp_count] => 4 [b_name] => tripura [branch_id] => 7 ) [1] => Array ( [religion] =&
Array
(
[0] => Array
(
[religion] => Christian
[emp_count] => 4
[b_name] => tripura
[branch_id] => 7
)
[1] => Array
(
[religion] => Christian
[emp_count] => 2
[b_name] => Tirunelveli
[branch_id] => 10
)
[2] => Array
(
[religion] => Christian
[emp_count] => 4
[b_name] => Madurai
[branch_id] => 12
)
[3] => Array
(
[religion] => Hindu
[emp_count] => 3
[b_name] => tripura
[branch_id] => 7
)
[4] => Array
(
[religion] => Hindu
[emp_count] => 4
[b_name] => Tirunelveli
[branch_id] => 10
)
[5] => Array
(
[religion] =>
[emp_count] => 0
[b_name] =>
[branch_id] =>
)
[6] => Array
(
[religion] =>
[emp_count] => 0
[b_name] =>
[branch_id] =>
)
[7] => Array
(
[religion] => Muslim
[emp_count] => 1
[b_name] => Tirunelveli
[branch_id] => 10
)
[8] => Array
(
[religion] =>
[emp_count] => 0
[b_name] =>
[branch_id] =>
)
)
试试看
- 创建自己的数组
- 在当前数组中循环(
)$arrArray
- 通过将元素添加到
$arrgroubled
$arrgroubled=array();
外汇($Arraray作为$Arralement){
如果(数组\键\存在($arrElement['religation'],$arrrogroubled)){
$arrrelement[$arrelelement['religation']]+=$arrelelement['emp_count'];
}否则{
$arrrelement[$arrelelement['religation']=$arrelelement['emp_count'];
}
}
回显“”。json_encode($arr,true)。“”;
我将分两步完成此操作:
请参阅:创建循环并创建自己的数据数组。但是为什么你不只用
json\u encode
?数据:[4,2,4]
这是从哪里来的数据源?他需要按宗教分组的数组,带有emp\u count数组可能重复的
{
name : 'Christian',
data :[4,2,4]
},
{name:'Hindu',
data:[3,2,1]
} ....
$arrGrouped = array();
foreach($arrArray as $arrElement) {
if( array_key_exists($arrElement['religion'], $arrGrouped) ) {
$arrGrouped[$arrElement['religion']] += $arrElement['emp_count'];
} else {
$arrGrouped[$arrElement['religion']] = $arrElement['emp_count'];
}
}
echo '<pre>'. json_encode($arrGrouped, true) .'</pre>';
$result = array_reduce($array, function(&$result, $current) {
$result[$current['religion']][] = $current['emp_count'];
return $result;
}, []);
$data = [];
foreach ($result as $religion => $emp_counts) {
$data[] = [
'name' => $religion,
'data' => $emp_counts,
];
}
echo json_encode($data);