How to update the value inside the array?

Issue

I am using PHP , i have one array i am updating the value inside the array based on some conditions it’s coming inside the if blocks but the value is not updating,can you give suggestions did i miss anything ..?

dump of $data[‘bookslist’]

Array
(
    [0] => Array
        (
            [id] => 22
            [book_name] => tank1
            [book_type] => 1
            [status] => 1
        )

    [1] => Array
        (
            [id] => 23
            [book_name] => g1
            [book_type] => 2
            [status] => 1
        )
)

code

foreach($data['bookslist'] as $value){
            if(array_key_exists('book_type',$value)){

                if($value['book_type'] == '1'){
                    $data['bookslist'][$value]['book_type'] = 'Horror';
                    break;
                }
                if($value['book_type'] == '2'){
                    $value['book_type'][$value]['book_type']= 'Comedy';
                    break;
                }
                
            }
        }

Solution

you use $value as the key but it is an array.
By using pass-by-reference you can modify the array.
Assumption:- you want to modify $data[‘booklist’].
suggestion: you can also use a switch case if have a limited book_type.

foreach($data['bookslist'] as &$value){
        if(array_key_exists('book_type',$value)){

            if($value['book_type'] == '1'){
                $value['book_type'] = 'Horror';
                break;
            }
            if($value['book_type'] == '2'){
                $value['book_type']= 'Comedy';
                break;
            }
            
        }
    }

Answered By – Bhimani Rutvik

This Answer collected from stackoverflow, is licensed under cc by-sa 2.5 , cc by-sa 3.0 and cc by-sa 4.0