Php 如何从blade中的关联数组中获取数据?
我试图分别获取数组的键和值。 实际产量:Php 如何从blade中的关联数组中获取数据?,php,laravel,laravel-5,multidimensional-array,laravel-blade,Php,Laravel,Laravel 5,Multidimensional Array,Laravel Blade,我试图分别获取数组的键和值。 实际产量: [ "IT" => [ "Programming" => [ 0 => "Python" 1 => "Java" ], "Networking" => [ 0 => "CCNA" ] ], "Business" => [ "Power BI" => [
[
"IT" => [
"Programming" => [
0 => "Python" 1 => "Java"
],
"Networking" => [
0 => "CCNA"
]
],
"Business" => [
"Power BI" => [
0 => "Power BI foundation"
]
]
]
所需输出:
[
"IT",
"Business"
]
[
"Programming",
"Networking"
]
这个脚本是你需要的吗
$arr = [
"IT" => [
"Programming" => [
0 => "Python",
1 => "Java"
],
"Networking" => [
0 => "CCNA"
]
],
"Business" => [
"Power BI" => [
0 => "Power BI foundation"
]
]
];
$categories = [];
$subcategories = [];
foreach($arr as $key => $value) {
array_push($categories, $key);
array_push($subcategories, array_keys($value));
}
$categories
等于:
["IT","Business"]
$subcategories
等于:
[
["Programming","Networking"],
["Power BI"]
]
执行后
尽管如此,我还是建议重新构造提取脚本,该脚本将
$arr
中包含的数组作为输出,以避免不必要的循环。您使用了什么代码来提取/生成这些数据?另外,请解释将这些键组合在一起的逻辑。我正在尝试使用foreach循环从数据库中获取数据,以分离类别、子类别和产品。正如catcon所说,将这些键组合在一起的逻辑是什么?我有一个数组,其中包括类别、子类别和项目。现在我想以相关的方式在我的刀片上显示这些数据。那么代码可以做什么呢?基本上更具体地说,数组显示类别、子类别和产品之间的关系。获取我的逻辑键,分离类别、子类别和产品。