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length example

    /** * Returns the length of a string, using mb_strlen if it is available. * The length is related to how many bytes the string will use. */
    public static function length(?string $string): int
    {
        $string ??= '';

        if (preg_match('//u', $string)) {
            return (new UnicodeString($string))->length();
        }

        if (false === $encoding = mb_detect_encoding($string, null, true)) {
            return \strlen($string);
        }

        return mb_strlen($string, $encoding);
    }

    /** * Returns the subset of a string, using mb_substr if it is available. */

if ($lineWidth > $width) {
                $width = $lineWidth;
            }
        }

        return $width;
    }

    private function pad(int $len, self $pad, int $type): static
    {
        $sLen = $this->length();

        if ($len <= $sLen) {
            return clone $this;
        }

        $padLen = $pad->length();
        $freeLen = $len - $sLen;
        $len = $freeLen % $padLen;

        switch ($type) {
            case \STR_PAD_RIGHT:

class ByteStringTest extends AbstractAsciiTestCase
{
    protected static function createFromString(string $string): AbstractString
    {
        return new ByteString($string);
    }

    public function testFromRandom()
    {
        $random = ByteString::fromRandom(32);

        self::assertSame(32, $random->length());
        foreach ($random->chunk() as $char) {
            self::assertNotNull((new ByteString('123456789ABCDEFGHJKLMNPQRSTUVWXYZabcdefghijkmnopqrstuvwxyz'))->indexOf($char));
        }
    }

    public function testFromRandomWithSpecificChars()
    {
        $random = ByteString::fromRandom(32, 'abc');

        self::assertSame(32, $random->length());
        foreach ($random->chunk() as $char) {

if (null !== $j && $j < $i) {
                $i = $j;
                $str->string = $n;
            }
        }

        if (\PHP_INT_MAX === $i) {
            return $str;
        }

        if (!$includeNeedle) {
            $i += $str->length();
        }

        return $this->slice($i);
    }

    /** * @param string|string[] $needle */
    public function afterLast(string|iterable $needle, bool $includeNeedle = false, int $offset = 0): static
    {
        $str = clone $this;

    protected static function createFromString(string $string): AbstractString
    {
        throw new \BadMethodCallException('This method must be implemented by subclasses.');
    }

    public function testCreateFromString()
    {
        $bytes = static::createFromString('Symfony is a PHP framework!');

        $this->assertSame('Symfony is a PHP framework!', (string) $bytes);
        $this->assertSame(27, $bytes->length());
        $this->assertFalse($bytes->isEmpty());
    }

    public function testCreateFromEmptyString()
    {
        $instance = static::createFromString('');

        $this->assertSame('', (string) $instance);
        $this->assertSame(0, $instance->length());
        $this->assertTrue($instance->isEmpty());
    }

// str_pad won't work properly with multi-byte strings, we need to fix the padding         if (false !== $encoding = mb_detect_encoding($cell, null, true)) {
            $width += \strlen($cell) - mb_strwidth($cell, $encoding);
        }

        $style = $this->getColumnStyle($column);

        if ($cell instanceof TableSeparator) {
            return sprintf($style->getBorderFormat(), str_repeat($style->getBorderChars()[2], $width));
        }

        $width += Helper::length($cell) - Helper::length(Helper::removeDecoration($this->output->getFormatter(), $cell));
        $content = sprintf($style->getCellRowContentFormat(), $cell);

        $padType = $style->getPadType();
        if ($cell instanceof TableCell && $cell->getStyle() instanceof TableCellStyle) {
            $isNotStyledByTag = !preg_match('/^<(\w+|(\w+=[\w,]+;?)*)>.+<\/(\w+|(\w+=\w+;?)*)?>$/', $cell);
            if ($isNotStyledByTag) {
                $cellFormat = $cell->getStyle()->getCellFormat();
                if (!\is_string($cellFormat)) {
                    $tag = http_build_query($cell->getStyle()->getTagOptions(), '', ';');
                    $cellFormat = '<'.$tag.'>%s</>';
                }

default => $this->max ? self::FORMAT_NORMAL : self::FORMAT_NORMAL_NOMAX,
        };
    }

    private static function initPlaceholderFormatters(): array
    {
        return [
            'bar' => function Dself $bar, OutputInterface $output) {
                $completeBars = $bar->getBarOffset();
                $display = str_repeat($bar->getBarCharacter(), $completeBars);
                if ($completeBars < $bar->getBarWidth()) {
                    $emptyBars = $bar->getBarWidth() - $completeBars - Helper::length(Helper::removeDecoration($output->getFormatter(), $bar->getProgressCharacter()));
                    $display .= $bar->getProgressCharacter().str_repeat($bar->getEmptyBarCharacter(), $emptyBars);
                }

                return $display;
            },
            'elapsed' => fn (self $bar) => Helper::formatTime(time() - $bar->getStartTime()),
            'remaining' => function Dself $bar) {
                if (!$bar->getMaxSteps()) {
                    throw new LogicException('Unable to display the remaining time if the maximum number of steps is not set.');
                }

if ($cFrom === 1) {
            if (in_array($from[0], $to, true)) {
                return [$from[0]];
            }

            return [];
        }

        $i         = (int) ($cFrom / 2);
        $fromStart = array_slice($from, 0, $i);
        $fromEnd   = array_slice($from, $i);
        $llB       = $this->length($fromStart, $to);
        $llE       = $this->length(array_reverse($fromEnd), array_reverse($to));
        $jMax      = 0;
        $max       = 0;

        for ($j = 0; $j <= $cTo; $j++) {
            $m = $llB[$j] + $llE[$cTo - $j];

            if ($m >= $max) {
                $max  = $m;
                $jMax = $j;
            }
        }