How to fetch data from associative array in blade?

Question

I am trying to fetch keys of array separately and values separately. actual output:

[  
   "IT" => [  
      "Programming" => [  
         0 => "Python" 1 => "Java"
      ],
      "Networking" =>  [  
         0 => "CCNA"
      ]
   ],
   "Business" => [  
      "Power BI" => [  
         0 => "Power BI foundation"
      ]
   ]
]

desired output:

[  
   "IT",
   "Business"
]
[  
   "Programming",
   "Networking"
]

What code did you use to fetch/generate those data? Also please explain the logic to group those keys together. — user11337181
– user11337181, Commented Apr 13, 2019 at 9:08
i am trying to fetch data from database using foreach loop to separate category, subcategory and product — paramjot saini
– paramjot saini, Commented Apr 13, 2019 at 9:14
Like catcon said, what is the logic to group those keys together? — user2203703
– user2203703, Commented Apr 13, 2019 at 9:20
i have an array which includes categories-sub categories and then items . Now i want to show this data on my blade in related manner . So what can be the code to do so? — paramjot saini
– paramjot saini, Commented Apr 13, 2019 at 9:28
basically to be more specific the array shows the relation between category, sub-category and product. To get keys my logic, to separate categories, subcategories and product. — paramjot saini
– paramjot saini, Commented Apr 13, 2019 at 9:39

Johannes · Accepted Answer · 2019-04-13 10:11:06Z

1

Does this script what you need?

$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 equals:

["IT","Business"]

$subcategories equals :

[
  ["Programming","Networking"],
  ["Power BI"]
]

after execution.

Nevertheless, I would recommend to restructure your fetch script that has the array contained in $arr as output to avoid unnecessary loops.

answered Apr 13, 2019 at 10:11

Johannes

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