如何在 PHP 中获取当前日期和时间

### Answer: Use the PHP date() Function
You can simply use the PHP `date()` function to get the current data and time in various format, for example, `date('d-m-y h:i:s')`, `date('d/m/y H:i:s')`, and so on.

Try out the following example to see how it basically works:

```php
<?php
// Return current date from the remote server
$date = date('d-m-y h:i:s');
echo $date;
?>
```
The date and time returned by the above example is based on the server's default timezone setting. If you want to show date and time as per user's timezone, you can set the timezone manually using the `date_default_timezone_set()` function before the `date()` function call.

The following example shows the date and time in India timezone which is `Asia/Kolkata`.

```php
<?php
// Set the new timezone
date_default_timezone_set('Asia/Kolkata');
$date = date('d-m-y h:i:s');
echo $date;
?>
```
To learn more about date and time handling, please check out the [PHP date and time tutorial](http://www.bixiaguangnian.com/manual/php7/3981.html "PHP date and time tutorial").

For a complete list of timezones supported by PHP, see [timezone reference](http://www.bixiaguangnian.com/manual/phpfunction/2148.html "timezone reference").