App\Services\Util::detectUTFEncoding()

Complexity

Conditions	6
Paths	6

Size

Total Lines	22
Code Lines	14

Duplication

Lines	0
Ratio	0 %

Code Coverage

Tests	11
CRAP Score	6.6829

Importance

Changes

0

<?php
    public function detectUTFEncoding(string $str): ?string
    {
        switch (substr($str, 0, 2)) {
            case UTF16_BIG_ENDIAN_BOM:
                return 'UTF-16BE';
            case UTF16_LITTLE_ENDIAN_BOM:
                return 'UTF-16LE';
        }

        switch (substr($str, 0, 3)) {
            case UTF8_BOM:
                return 'UTF-8';
        }

        switch (substr($str, 0, 4)) {
            case UTF32_BIG_ENDIAN_BOM:
                return 'UTF-32BE';
            case UTF32_LITTLE_ENDIAN_BOM:
                return 'UTF-32LE';
        }

        return null;
    }