0x131315

предлагает использовать либо одно, либо другое

Как правильно решить этот конфликт?

array_walk($guide['postInGuides'], function (&$postInGuide, $key) use ($guide, $viewRenderer) {
    $postInGuide['post']['url'] = [
        'read' => $viewRenderer->url('guide/guide/post', [
            'slugGuide' => $guide['name'],
            'slugPost'  => $postInGuide['post']['slug'],
        ]),
        'update' => $viewRenderer->url('post/post/action', [
            'slugPost'  => $postInGuide['post']['slug'],
            'action' => 'update',
        ]),
        'delete' => $viewRenderer->url('post/post/action', [
            'slugPost'  => $postInGuide['post']['slug'],
            'action' => 'delete',
        ]),
    ];
});

function test_print($item2, $key) 
{
    echo "$key. $item2<br />\n";
}
array_walk($array1, 'test_print');
array_walk($array2, 'test_print');
array_walk($array3, 'test_print');
array_walk($array4, 'test_print');
array_walk($array5, 'test_print');
//вот тебе новая выгода:
$func_name = 'test_print';
array_walk($array5, $func_name);

abstract class BasicTableGateway
{
    protected $db;
    protected $table;
    protected $fields;
    protected $primary = 'id';

    public function __construct(\PDO $db)
    {
        $this->db = $db;
    }
    public function read($id): ?array
    {
        $stmt =$this->db->prepare("SELECT * FROM `$this->table` WHERE `$this->primary`=?");
        $stmt->execute([$id]);
        return $stmt->fetch();
    }
    public function insert($data): int
    {
        $this->validate($data);

        $fields = '`'.implode("`,`", array_keys($data)).'`';
        $placeholders = str_repeat('?,', count($data) - 1) . '?';
        $sql = "INSERT INTO `$this->table` ($fields) VALUES ($placeholders)";
        $this->db->prepare($sql)->execute(array_values($data));
        return $this->db->lastInsertId();
    }
    protected function validate($data)
    {
        $diff = array_diff(array_keys($data), $this->fields);
        if ($diff) {
            throw new \InvalidArgumentException("Unknown field(s): ". implode($diff));
        }
    }
}

class UserGateway extends BasicTableGateway {
    protected $table = 'gw_users';
    protected $fields = ['email', 'password', 'name', 'birthday'];
}
$userGateway = new UserGateway($pdo);
$data = [
    'email' => 'foo@bar.com',
    'password' => 123,
    'name' => 'Fooster',
];
$id = $userGateway->insert($data);
$user = $userGateway->read($id);
echo json_encode($user),PHP_EOL;

function pdo($pdo, $sql, $args = NULL)
{
    if (!$args)
    {
         return $pdo->query($sql);
    }
    $stmt = $pdo->prepare($sql);
    $stmt->execute($args);
    return $stmt;
}

// Create
pdo($pdo, "INSERT INTO users VALUES (null, ?,?,?)", [$name, $email, $password]);
// Read
$user = pdo($pdo, "SELECT * FROM users WHERE email=?", [$email])->fetch();
// Update
pdo($pdo, "UPDATE users SET name=:name WHERE id=:id", ['id'=>$id, 'name'=>$name]);
// Delete
$deleted = pdo($pdo, "DELETE FROM users WHERE id=?", [$id])->rowCount();