function ByteString::toCodePointString

Overrides AbstractString::toCodePointString

File

vendor/symfony/string/ByteString.php, line 415

Class

ByteString

Represents a binary-safe string of bytes.

Namespace

Symfony\Component\String

Code

public function toCodePointString(?string $fromEncoding = null) : CodePointString {
    $u = new CodePointString();
    if (\in_array($fromEncoding, [
        null,
        'utf8',
        'utf-8',
        'UTF8',
        'UTF-8',
    ], true) && preg_match('//u', $this->string)) {
        $u->string = $this->string;
        return $u;
    }
    set_error_handler(static fn($t, $m) => throw new InvalidArgumentException($m));
    try {
        try {
            $validEncoding = false !== mb_detect_encoding($this->string, $fromEncoding ?? 'Windows-1252', true);
        } catch (InvalidArgumentException $e) {
            if (!\function_exists('iconv')) {
                throw $e;
            }
            $u->string = iconv($fromEncoding ?? 'Windows-1252', 'UTF-8', $this->string);
            return $u;
        }
    } finally {
        restore_error_handler();
    }
    if (!$validEncoding) {
        throw new InvalidArgumentException(\sprintf('Invalid "%s" string.', $fromEncoding ?? 'Windows-1252'));
    }
    $u->string = mb_convert_encoding($this->string, 'UTF-8', $fromEncoding ?? 'Windows-1252');
    return $u;
}