Answers for "php json response get data"

php return json

header('Content-type: application/json');
echo json_encode($array);

read-json-data-response-using-php

$json = '[
    {
        "displayName": "testing",
        "preferredUsername": "testing",
    }
]';

$jsonArray = json_decode($json);

foreach($jsonArray as $value){
    $displayName = $value->Display Name;
    $preferredUsername = $value->Preferred User;
}