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# As You Type Formatter
Formats phone numbers as they are being inputted, one character at a time.
## Getting Started
An instance can be created by calling `PhoneNumberUtil::getAsYouTypeFormatter()`
### `getAsYouTypeFormatter()`
Pass a `$regionCode` parameter to set the default region to attempt to format the phone numbers.
```php
$phoneNumberUtil = \libphonenumber\PhoneNumberUtil::getInstance();
$asYouTypeFormatter = $phoneNumberUtil->getAsYouTypeFormatter('GB');
$result = $asYouTypeFormatter->inputDigit('0');
var_dump($result);
// string(1) "0"
$result = $asYouTypeFormatter->inputDigit('1');
var_dump($result);
// string(2) "01"
$result = $asYouTypeFormatter->inputDigit('1');
var_dump($result);
// string(3) "011"
$result = $asYouTypeFormatter->inputDigit('7');
var_dump($result);
// string(4) "0117"
$result = $asYouTypeFormatter->inputDigit('4');
var_dump($result);
// string(6) "0117 4"
$result = $asYouTypeFormatter->inputDigit('9');
var_dump($result);
// string(7) "0117 49"
$result = $asYouTypeFormatter->inputDigit('6');
var_dump($result);
// string(8) "0117 496"
$result = $asYouTypeFormatter->inputDigit('0');
var_dump($result);
// string(10) "0117 496 0"
$result = $asYouTypeFormatter->inputDigit('1');
var_dump($result);
// string(11) "0117 496 01"
$result = $asYouTypeFormatter->inputDigit('2');
var_dump($result);
// string(11) "01174 96012"
$result = $asYouTypeFormatter->inputDigit('3');
var_dump($result);
// string(13) "0117 496 0123"
```
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