Online PHP editor | output for ISp0A

@ 2021-11-01T05:53:33Z

<?php

$data = [
  ["tahun" => 2001, "bulan" => 1, "pembetulan" => 0],
  ["tahun" => 2002, "bulan" => 1, "pembetulan" => 0],
  ["tahun" => 2002, "bulan" => 1, "pembetulan" => 1],
  ["tahun" => 2003, "bulan" => 1, "pembetulan" => 0],
  ["tahun" => 2003, "bulan" => 1, "pembetulan" => 1],
  ["tahun" => 2003, "bulan" => 1, "pembetulan" => 2],
  ["tahun" => 2003, "bulan" => 1, "pembetulan" => 3],
  ["tahun" => 2003, "bulan" => 1, "pembetulan" => 4],
  ["tahun" => 2003, "bulan" => 2, "pembetulan" => 0]
];

$result = [];
foreach ($data as $row) {
    $compositeKey = $row['tahun'] . '_' . $row['bulan'];
    if (!isset($result[$compositeKey]) || $row['pembetulan'] > $result[$compositeKey]['pembetulan']) {
        $result[$compositeKey] = $row;
    }
}
var_export(
    array_values($result)
);

Output for 7.3.0 - 7.3.33, 7.4.0 - 7.4.33, 8.0.0 - 8.0.30, 8.1.0 - 8.1.33, 8.2.0 - 8.2.29, 8.3.0 - 8.3.4, 8.3.6 - 8.3.26, 8.4.1 - 8.4.13: array ( 0 => array ( 'tahun' => 2001, 'bulan' => 1, 'pembetulan' => 0, ), 1 => array ( 'tahun' => 2002, 'bulan' => 1, 'pembetulan' => 1, ), 2 => array ( 'tahun' => 2003, 'bulan' => 1, 'pembetulan' => 4, ), 3 => array ( 'tahun' => 2003, 'bulan' => 2, 'pembetulan' => 0, ), )
Output for 8.3.5: Warning: PHP Startup: Unable to load dynamic library 'sodium.so' (tried: /usr/lib/php/8.3.5/modules/sodium.so (libsodium.so.23: cannot open shared object file: No such file or directory), /usr/lib/php/8.3.5/modules/sodium.so.so (/usr/lib/php/8.3.5/modules/sodium.so.so: cannot open shared object file: No such file or directory)) in Unknown on line 0 array ( 0 => array ( 'tahun' => 2001, 'bulan' => 1, 'pembetulan' => 0, ), 1 => array ( 'tahun' => 2002, 'bulan' => 1, 'pembetulan' => 1, ), 2 => array ( 'tahun' => 2003, 'bulan' => 1, 'pembetulan' => 4, ), 3 => array ( 'tahun' => 2003, 'bulan' => 2, 'pembetulan' => 0, ), )

preferences:dark modelive previewkey bindings