Online PHP editor | refs for S7a3b

@ 2018-05-17T06:58:17Z

<?php

$fields = ['field1', 'field2'];
$fields_position = [0, 3];
$row = [
    'John',
    'Doe',
    '555 23 58 45',
    'Evergreen Terrace'
];

foreach($fields_position as $idx => $pos) {
    $user_data[$fields[$idx]] = $row[$pos];
}

var_dump($user_data);