CamelCaseToUnderScoreTrait::camelCaseToUnderscore()

Complexity

Conditions	3
Paths	3

Size

Total Lines	11
Code Lines	6

Duplication

Lines	0
Ratio	0 %

Code Coverage

Tests	0
CRAP Score	12

Importance

Changes

0

<?php
    protected function camelCaseToUnderscore(string $input) : string
    {
        preg_match_all('/([A-Z][A-Z0-9]*(?=$|[A-Z][a-z0-9])|[A-Za-z][a-z0-9]+)/', $input, $matches);
        $output = $matches[0];

        foreach ($output as &$match) {
            $match = $match == strtoupper($match) ? strtolower($match) : lcfirst($match);
        }

        return implode('_', $output);
    }
}