<?php

if (!function_exists('camel_to_snake')) {
    function camel_to_snake(string $string): string
    {
        $pattern = '/([a-z])([A-Z])/';
        return strtolower(preg_replace($pattern, '$1_$2', $string));
    }
}

if (!function_exists('camel_to_snake_array')) {
    function camel_to_snake_array(array $data): array
    {
        $converted = [];
        foreach ($data as $key => $value) {
            $snakeKey = camel_to_snake($key);
            $converted[$snakeKey] = $value;
        }
        return $converted;
    }
}

if (!function_exists('snake_to_camel')) {
    function snake_to_camel(string $string): string
    {
        $parts = explode('_', $string);
        $camel = array_map(function ($part, $index) {
            if ($index === 0) {
                return $part;
            }
            return ucfirst($part);
        }, $parts, array_keys($parts));
        return implode('', $camel);
    }
}

if (!function_exists('snake_to_camel_array')) {
    function snake_to_camel_array(array $data): array
    {
        $converted = [];
        foreach ($data as $key => $value) {
            $camelKey = snake_to_camel($key);
            $converted[$camelKey] = $value;
        }
        return $converted;
    }
}