How to remove duplicate data of JSON object using PHP

Question

I need one help.I have some JSON type data and i want to remove the duplicate set of data using PHP.I am explaining my code below.

data=[
   {\'member_name\'         


        

Answer 1

First json_decode the JSON string, so we can work with it in PHP. Then you should use array_unique with the flag SORT_REGULAR to remove all duplicates and lastly json_encodeit again to a JSON string. Here's a working example:

$data = '[
   {"member_name":"member1","no_of_users":20},
    {"member_name":"member1","no_of_users":20},
    {"member_name":"member1","no_of_users":20},
    {"member_name":"member2","no_of_users":10},
   {"member_name":"member2","no_of_users":10},
   {"member_name":"member3","no_of_users":30}
]';

// Make a PHP array from the JSON string.
$array = json_decode( $data, TRUE );

// Only keep unique values, by using array_unique with SORT_REGULAR as flag.
// We're using array_values here, to only retrieve the values and not the keys.
// This way json_encode will give us a nicely formatted JSON string later on.
$array = array_values( array_unique( $array, SORT_REGULAR ) );

// Make a JSON string from the array.
$result = json_encode( $array );

Edit: Based on your edit in your question: Don't assign $result to a var_dump. Replace $result=var_dump( array_unique( $res, SORT_REGULAR ) ); by $result=array_unique( $res, SORT_REGULAR );