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<?php
declare(strict_types=1);
namespace AmaTeam\ElasticSearch\Utility;
class Strings
{
public static function snakeToCamel(string $input): string
$callback = function ($match) {
return mb_strtoupper(mb_substr($match[0], mb_strlen($match[0]) - 1));
};
return preg_replace_callback('~_+\w~u', $callback, trim($input, '_'));
}
public static function camelToSnake(string $input): string
return '_' . $match[0];
return mb_strtolower(preg_replace_callback('~(?!^)\p{Lu}+~u', $callback, $input));
ama-team /
php-elasticsearch
