PHP: Reading DB credentials from `.my.cnf`

php_my_cnf.php

<?php

$dbConfig = [
    'host' => 'localhost',
    'database' => '',
    'user' => '',
    'password' => ''
];
if (file_exists($_SERVER['HOME'] . '/.my.cnf')) {
    // If `.my.cnf` exists in PHP home directory, parse it with sections
    $myCnf = parse_ini_file($_SERVER['HOME'] . '/.my.cnf', true);
    foreach ($myCnf as $section => $config) {
        if (in_array($section, ['client', 'mysql'])) {
            foreach ($config as $name => $value) {
                if (in_array($name, ['host', 'database', 'user', 'password'])) {
                    $dbConfig[$name] = $value;
                }
            }
        }
    }
}