Sysbot\Telegram\Common\NameNormalizer::camelCaseToSnakeCase()

Complexity

Conditions	3
Paths	3

Size

Total Lines	8
Code Lines	5

Duplication

Lines	0
Ratio	0 %

Importance

Changes	1
Bugs	0	Features	0

<?php
    public static function camelCaseToSnakeCase(string $input): string
    {
        preg_match_all('!([A-Z][A-Z0-9]*(?=$|[A-Z][a-z0-9])|[A-Za-z][a-z0-9]+)!', $input, $matches);
        $ret = $matches[0];
        foreach ($ret as &$match) {
            $match = $match == strtoupper($match) ? strtolower($match) : lcfirst($match);
        }
        return implode('_', $ret);
    }
}