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File Name : DataUnitFormatter.php

<?php

declare(strict_types=1);

namespace Laminas\Filter;

use Laminas\Filter\Exception\InvalidArgumentException;

use function floor;
use function in_array;
use function is_numeric;
use function log;
use function number_format;
use function sprintf;
use function strtolower;

/**
 * @psalm-type Options = array{
 *     mode?: string,
 *     unit?: string,
 *     precision?: int,
 *     prefixes?: list<string>,
 * }
 * @extends AbstractFilter<Options>
 * @final
 */
final class DataUnitFormatter extends AbstractFilter
{
    public const MODE_BINARY  = 'binary';
    public const MODE_DECIMAL = 'decimal';

public const BASE_BINARY  = 1024;
    public const BASE_DECIMAL = 1000;

private const DEFAULT_PRECISION = 2;
    /**
     * A list of all possible filter modes:
     *
     * @var list<string>
     */
    private static array $modes = [
        self::MODE_BINARY,
        self::MODE_DECIMAL,
    ];

/**
     * A list of standardized binary prefix formats for decimal and binary mode
     *
     * @link https://en.wikipedia.org/wiki/Binary_prefix
     *
     * @var array<string, list<string>>
     */
    private static array $standardizedPrefixes = [
        // binary IEC units:
        self::MODE_BINARY => ['', 'Ki', 'Mi', 'Gi', 'Ti', 'Pi', 'Ei', 'Zi', 'Yi'],
        // decimal SI units:
        self::MODE_DECIMAL => ['', 'k', 'M', 'G', 'T', 'P', 'E', 'Z', 'Y'],
    ];

/**
     * Default options:
     *
     * @var Options
     */
    protected $options = [
        'mode'      => self::MODE_DECIMAL,
        'unit'      => '',
        'precision' => self::DEFAULT_PRECISION,
        'prefixes'  => [],
    ];

/**
     * @param Options $options
     */
    public function __construct($options = [])
    {
        if (! self::isOptions($options)) {
            throw new InvalidArgumentException('The unit filter needs options to work.');
        }

if (! isset($options['unit'])) {
            throw new InvalidArgumentException('The unit filter needs a unit to work with.');
        }

$this->setOptions($options);
    }

/**
     * Define the mode of the filter. Possible values can be fount at self::$modes.
     *
     * @deprecated Since 2.37.0 - Option getters and setters will be removed in 3.0.
     *             Provide options to the constructor instead
     *
     * @param string $mode
     * @throws InvalidArgumentException
     */
    protected function setMode($mode)
    {
        $mode = strtolower($mode);
        if (! in_array($mode, self::$modes, true)) {
            throw new InvalidArgumentException(sprintf('Invalid binary mode: %s', $mode));
        }
        $this->options['mode'] = $mode;
    }

/**
     * Get current filter mode
     *
     * @deprecated  Since 2.37.0 - Option getters and setters will be removed in 3.0.
     *              Provide options to the constructor instead
     *
     * @return string
     */
    protected function getMode()
    {
        return $this->options['mode'] ?? self::MODE_DECIMAL;
    }

/**
     * Find out if the filter is in decimal mode.
     *
     * @deprecated  Since 2.37.0 - Option getters and setters will be removed in 3.0.
     *              Provide options to the constructor instead
     *
     * @return bool
     */
    protected function isDecimalMode()
    {
        return $this->getMode() === self::MODE_DECIMAL;
    }

/**
     * Find out if the filter is in binary mode.
     *
     * @deprecated  Since 2.37.0 - Option getters and setters will be removed in 3.0.
     *              Provide options to the constructor instead
     *
     * @return bool
     */
    protected function isBinaryMode()
    {
        return $this->getMode() === self::MODE_BINARY;
    }

/**
     * Define the unit of the filter. Possible values can be fount at self::$types.
     *
     * @deprecated  Since 2.37.0 - Option getters and setters will be removed in 3.0.
     *              Provide options to the constructor instead
     *
     * @param string $unit
     */
    protected function setUnit($unit)
    {
        $this->options['unit'] = (string) $unit;
    }

/**
     * Get current filter type
     *
     * @deprecated  Since 2.37.0 - Option getters and setters will be removed in 3.0.
     *              Provide options to the constructor instead
     *
     * @return string
     */
    protected function getUnit()
    {
        return $this->options['unit'] ?? '';
    }

/**
     * Set the precision of the filtered result.
     *
     * @deprecated  Since 2.37.0 - Option getters and setters will be removed in 3.0.
     *              Provide options to the constructor instead
     *
     * @param int $precision
     */
    protected function setPrecision($precision)
    {
        $this->options['precision'] = (int) $precision;
    }

/**
     * Get the precision of the filtered result.
     *
     * @deprecated  Since 2.37.0 - Option getters and setters will be removed in 3.0.
     *              Provide options to the constructor instead
     *
     * @return int
     */
    protected function getPrecision()
    {
        return $this->options['precision'] ?? self::DEFAULT_PRECISION;
    }

/**
     * Set the precision of the result.
     *
     * @deprecated  Since 2.37.0 - Option getters and setters will be removed in 3.0.
     *              Provide options to the constructor instead
     *
     * @param list<string> $prefixes
     */
    protected function setPrefixes(array $prefixes)
    {
        $this->options['prefixes'] = $prefixes;
    }

/**
     * Get the predefined prefixes or use the build-in standardized lists of prefixes.
     *
     * @deprecated  Since 2.37.0 - Option getters and setters will be removed in 3.0.
     *              Provide options to the constructor instead
     *
     * @return list<string>
     */
    protected function getPrefixes()
    {
        $prefixes = $this->options['prefixes'] ?? null;
        if ($prefixes !== null && $prefixes !== []) {
            return $prefixes;
        }

return self::$standardizedPrefixes[$this->getMode()];
    }

/**
     * Find the prefix at a specific location in the prefixes array.
     *
     * @deprecated  Since 2.37.0 - Option getters and setters will be removed in 3.0.
     *              Provide options to the constructor instead
     *
     * @return string|null
     */
    protected function getPrefixAt(mixed $index)
    {
        $prefixes = $this->getPrefixes();
        return $prefixes[$index] ?? null;
    }

/**
     * Defined by Laminas\Filter\FilterInterface
     *
     * Returns a human readable format of the amount of bits or bytes.
     *
     * If the value provided is not numeric, the value will remain unfiltered
     *
     * @param  mixed $value
     * @return string|mixed
     * @psalm-return ($value is numeric ? string : mixed)
     */
    public function filter($value)
    {
        if (! is_numeric($value)) {
            return $value;
        }

// Parse to float and check if value is not zero
        $amount = (float) $value;
        if ($amount === 0.0) {
            return $this->formatAmount($amount);
        }

// Calculate the correct size and prefix:
        $base   = $this->isBinaryMode() ? self::BASE_BINARY : self::BASE_DECIMAL;
        $power  = floor(log($amount, $base));
        $prefix = $this->getPrefixAt((int) $power);

// When the amount is too big, no prefix can be found:
        if ($prefix === null) {
            return $this->formatAmount($amount);
        }

// return formatted value:
        $result    = $amount / $base ** $power;
        $formatted = number_format($result, $this->getPrecision());
        return $this->formatAmount($formatted, $prefix);
    }

/**
     * @param float|string $amount
     * @param string|null  $prefix
     * @return string
     */
    protected function formatAmount($amount, $prefix = null)
    {
        return sprintf('%s %s%s', (string) $amount, (string) $prefix, $this->getUnit());
    }
}

Name	Type	Size	Owner/Group	Permission	Last Modified	Actions
.	dir	-	root/root	0755	2025-10-13 03:44:52
..	dir	-	root/root	0755	2025-10-13 03:44:52
Compress	dir	-	root/root	0755	2025-10-13 03:44:52
Encrypt	dir	-	root/root	0755	2025-10-13 03:44:52
Exception	dir	-	root/root	0755	2025-10-13 03:44:52
File	dir	-	root/root	0755	2025-10-13 03:44:52
Word	dir	-	root/root	0755	2025-10-13 03:44:52
AbstractDateDropdown.php	text/x-php	3.66 KB	root/root	0644	2025-10-13 03:44:52
AbstractFilter.php	text/x-php	3.32 KB	root/root	0644	2025-10-13 03:44:52
AbstractUnicode.php	text/x-php	1.93 KB	root/root	0644	2025-10-13 03:44:52
AllowList.php	text/x-php	2.17 KB	root/root	0644	2025-10-13 03:44:52
BaseName.php	text/x-php	708 B	root/root	0644	2025-10-13 03:44:52
Blacklist.php	text/x-php	133 B	root/root	0644	2025-10-13 03:44:52
Boolean.php	text/x-php	8.63 KB	root/root	0644	2025-10-13 03:44:52
Callback.php	text/x-php	2.95 KB	root/root	0644	2025-10-13 03:44:52
Compress.php	text/x-php	6.43 KB	root/root	0644	2025-10-13 03:44:52
ConfigProvider.php	text/x-php	1021 B	root/root	0644	2025-10-13 03:44:52
DataUnitFormatter.php	text/x-php	7.87 KB	root/root	0644	2025-10-13 03:44:52
DateSelect.php	text/x-php	485 B	root/root	0644	2025-10-13 03:44:52
DateTimeFormatter.php	text/x-php	2.27 KB	root/root	0644	2025-10-13 03:44:52
DateTimeSelect.php	text/x-php	1.88 KB	root/root	0644	2025-10-13 03:44:52
Decompress.php	text/x-php	1.04 KB	root/root	0644	2025-10-13 03:44:52
Decrypt.php	text/x-php	715 B	root/root	0644	2025-10-13 03:44:52
DenyList.php	text/x-php	2.18 KB	root/root	0644	2025-10-13 03:44:52
Digits.php	text/x-php	1.21 KB	root/root	0644	2025-10-13 03:44:52
Dir.php	text/x-php	640 B	root/root	0644	2025-10-13 03:44:52
Encrypt.php	text/x-php	4.99 KB	root/root	0644	2025-10-13 03:44:52
FilterChain.php	text/x-php	9.19 KB	root/root	0644	2025-10-13 03:44:52
FilterInterface.php	text/x-php	321 B	root/root	0644	2025-10-13 03:44:52
FilterPluginManager.php	text/x-php	29.98 KB	root/root	0644	2025-10-13 03:44:52
FilterPluginManagerFactory.php	text/x-php	2.16 KB	root/root	0644	2025-10-13 03:44:52
FilterProviderInterface.php	text/x-php	484 B	root/root	0644	2025-10-13 03:44:52
ForceUriScheme.php	text/x-php	1.85 KB	root/root	0644	2025-10-13 03:44:52
HtmlEntities.php	text/x-php	5.86 KB	root/root	0644	2025-10-13 03:44:52
Inflector.php	text/x-php	15.56 KB	root/root	0644	2025-10-13 03:44:52
Module.php	text/x-php	1.07 KB	root/root	0644	2025-10-13 03:44:52
MonthSelect.php	text/x-php	477 B	root/root	0644	2025-10-13 03:44:52
PregReplace.php	text/x-php	5.42 KB	root/root	0644	2025-10-13 03:44:52
RealPath.php	text/x-php	3.38 KB	root/root	0644	2025-10-13 03:44:52
StaticFilter.php	text/x-php	2.03 KB	root/root	0644	2025-10-13 03:44:52
StringPrefix.php	text/x-php	1.99 KB	root/root	0644	2025-10-13 03:44:52
StringSuffix.php	text/x-php	2.04 KB	root/root	0644	2025-10-13 03:44:52
StringToLower.php	text/x-php	1.2 KB	root/root	0644	2025-10-13 03:44:52
StringToUpper.php	text/x-php	1.2 KB	root/root	0644	2025-10-13 03:44:52
StringTrim.php	text/x-php	2.79 KB	root/root	0644	2025-10-13 03:44:52
StripNewlines.php	text/x-php	849 B	root/root	0644	2025-10-13 03:44:52
StripTags.php	text/x-php	10.47 KB	root/root	0644	2025-10-13 03:44:52
ToFloat.php	text/x-php	668 B	root/root	0644	2025-10-13 03:44:52
ToInt.php	text/x-php	658 B	root/root	0644	2025-10-13 03:44:52
ToNull.php	text/x-php	4.86 KB	root/root	0644	2025-10-13 03:44:52
ToString.php	text/x-php	677 B	root/root	0644	2025-10-13 03:44:52
UpperCaseWords.php	text/x-php	1.36 KB	root/root	0644	2025-10-13 03:44:52
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Whitelist.php	text/x-php	135 B	root/root	0644	2025-10-13 03:44:52

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