PHP code example of wandersonwhcr / zend-romans

1. Go to this page and download the library: Download wandersonwhcr/zend-romans library. Choose the download type require.

2. Extract the ZIP file and open the index.php.

3. Add this code to the index.php. 
    
        
<?php
require_once('vendor/autoload.php');

/* Start to develop here. Best regards https://php-download.com/ */

wandersonwhcr / zend-romans example snippets


use Zend\Romans\Filter\RomanToInt as RomanToIntFilter;
use Zend\Romans\Filter\IntToRoman as IntToRomanFilter;

$value = 'MCMXCIX';

$filter = new RomanToIntFilter();
$value  = $filter->filter($value); // 1999

$filter = new IntToRomanFilter();
$value  = $filter->filter($value); // MCMXCIX


use Zend\Romans\Validator\Roman as RomanValidator;

$validator = new RomanValidator();

$result = $validator->isValid('MCMXCIX'); // true

$result   = $validator->isValid('IAI'); // false
$messages = $validator->getMessages();

/*
$messages = [
    'unknownToken' => 'Unknown token "A" at position 1',
];
*/

$result   = $validator->isValid('XIIIX'); // false
$messages = $validator->getMessages();

/*
$messages = [
    'invalidRoman' => 'Invalid Roman number "XIIX"',
];
 */


use InvalidArgumentException;
use Zend\Romans\Hydrator\Strategy\Roman as RomanHydratorStrategy;

$value    = 'MCMXCIX';
$strategy = new RomanHydratorStrategy();

try {
    $value = $strategy->hydrate($value); // 1999
    $value = $strategy->extract($value); // MCMXCIX
} catch (InvalidArgumentException $e) {
    // unable to convert
}


use Zend\Romans\View\Helper\Roman as RomanViewHelper;

$helper = new RomanViewHelper();

// Simple Access
echo $helper(1999); // MCMXCIX

// ... or Inside ViewRenderer
echo $this->roman(1999); // MCMXCIX



return [
    'modules' => [
        // ...
        'Zend\Romans',
        // ...
    ],
];