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@ 2023-02-04T10:54:06Z

<?php

$result = array (
  0 => 
  array (
    'birth_place' => 'Administrasi Jakarta Barat',
    'id' => '716',
    'name' => 'Elvina Nuraini',
    'birth_date' => '1975-08-28',
    'gender' => 'female',
  ),
  1 => 
  array (
    'birth_place' => 'Administrasi Jakarta Barat',
    'id' => '764',
    'name' => 'Rina Kezia Novitasari',
    'birth_date' => '1988-06-07',
    'gender' => 'female',
  ),
  2 => 
  array (
    'birth_place' => 'Administrasi Jakarta Barat',
    'id' => '922',
    'name' => 'Viktor Firmansyah M.Pd',
    'birth_date' => '1989-05-13',
    'gender' => 'male',
  ),
  3 => 
  array (
    'birth_place' => 'Administrasi Jakarta Pusat',
    'id' => '993',
    'name' => 'Mursinin Banawa Marbun M.Pd',
    'birth_date' => '1991-12-27',
    'gender' => 'male',
  ),
  4 => 
  array (
    'birth_place' => 'Administrasi Jakarta Pusat',
    'id' => '866',
    'name' => 'Ibrahim Gunawan',
    'birth_date' => '1995-01-01',
    'gender' => 'male',
  ),
);

var_export(
    array_values(
        array_reduce(
            $result,
            function($data, $row) {
                $group = $row['birth_place'];
                $data[$group] ??= [
                    'birth_place' => $row['birth_place'],
                    'jumlah_data_user' => 0
                ];
                ++$data[$group]['jumlah_data_user'];
                unset($row['birth_place']);
                $data[$group]['users'][] = $row;
                return $data;
            }
        )
    )
);

Output for git.master, git.master_jit, rfc.property-hooks: array ( 0 => array ( 'birth_place' => 'Administrasi Jakarta Barat', 'jumlah_data_user' => 3, 'users' => array ( 0 => array ( 'id' => '716', 'name' => 'Elvina Nuraini', 'birth_date' => '1975-08-28', 'gender' => 'female', ), 1 => array ( 'id' => '764', 'name' => 'Rina Kezia Novitasari', 'birth_date' => '1988-06-07', 'gender' => 'female', ), 2 => array ( 'id' => '922', 'name' => 'Viktor Firmansyah M.Pd', 'birth_date' => '1989-05-13', 'gender' => 'male', ), ), ), 1 => array ( 'birth_place' => 'Administrasi Jakarta Pusat', 'jumlah_data_user' => 2, 'users' => array ( 0 => array ( 'id' => '993', 'name' => 'Mursinin Banawa Marbun M.Pd', 'birth_date' => '1991-12-27', 'gender' => 'male', ), 1 => array ( 'id' => '866', 'name' => 'Ibrahim Gunawan', 'birth_date' => '1995-01-01', 'gender' => 'male', ), ), ), )

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2022-12-01 RFC: Property hooks - included in PHP 8.4
2020-03-21 RFC: Is_Literal - declined
2020-12-04 Enumerations - included in PHP 8.1
2018-06-15 Typed Properties v2 - implemented in PHP 7.4
2016-08-12 Object typehint - included in PHP 7.2
2016-08-14 Arrow functions - withdrawn
2016-05-29 array_change_keys() - withdrawn
2016-04-19 Lexical scope support for anonymous classes - suspended
2016-04-17 Functional Interfaces - declined
2016-03-16 Typed Properties - superseded in favor of Typed Properties 2.0
2015-08-27 Callable Prototypes - declined
2015-05-01 Short Closures - declined / withdrawn in favor of Arrow Functions
2015-02-18 Scalar type hints v5 - included in PHP 7
2015-02-14 Union Types - declined
2013-09-22 Anonymous classes - included in PHP 7

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