array_to_csv.php

<?php
// store result to file
$file_output = [
    'unique_jabatan' => 'INSERT_MASTER_JABATAN',
    'unique_subbidang' => 'INSERT_MASTER_SUBBIDANG',
    'unique_bidang' => 'INSERT_MASTER_BIDANG',
    'unique_unitkerja' => 'INSERT_MASTER_UNITKERJA',
];
foreach ($result as $_key => $_item) {
    $f = fopen(base_path($file_output[$_key]), 'w');
    foreach ($_item as $_value) {
        fputs($f, $_value . PHP_EOL);
    }
    // remove the last eof
    $stat = fstat($f);
    ftruncate($f, $stat['size'] - 1);
    fclose($f);

    unset($f, $stat);
}