JsonDictionary.php

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<?php
 
namespace Gettext\Generators;
 
use Gettext\Translations;
 
class JsonDictionary extends Generator implements GeneratorInterface
{
    public static $options = 0;
 
    public static function toString(Translations $translations)
    {
        $array = PhpArray::toArray($translations);
 
        //for a simple json translation dictionary, one domain is supported
        $values = current($array);
 
        // remove meta / header data
        if (array_key_exists('', $values)) {
            unset($values['']);
        }
 
        //map to a simple json dictionary (no plurals)
        return json_encode(
            array_filter(
                array_map(function ($val) {
                    return isset($val[1]) ? $val[1] : null;
                }, $values)
            ),
            self::$options
        );
    }
}