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Directory >> /var/www/html/back/vendor/phpoffice/phpspreadsheet/src/PhpSpreadsheet/Calculation/Engineering/

File / Folder	Size	Action
.	-
BesselI.php	4.659KB	edt ren
BesselJ.php	5.783KB	edt ren
BesselK.php	4.242KB	edt ren
BesselY.php	4.801KB	edt ren
BitWise.php	8.09KB	edt ren
Compare.php	2.891KB	edt ren
Complex.php	4.145KB	edt ren
ComplexFunctions.php	19.123KB	edt ren
ComplexOperations.php	4.321KB	edt ren
Constants.php	0.163KB	edt ren
ConvertBase.php	1.928KB	edt ren
ConvertBinary.php	7.09KB	edt ren
ConvertDecimal.php	9.251KB	edt ren
ConvertHex.php	7.545KB	edt ren
ConvertOctal.php	7.388KB	edt ren
ConvertUOM.php	34.951KB	edt ren
EngineeringValidations.php	0.696KB	edt ren
Erf.php	3.456KB	edt ren
ErfC.php	2.394KB	edt ren

<?php

namespace PhpOffice\PhpSpreadsheet\Calculation\Engineering;

use PhpOffice\PhpSpreadsheet\Calculation\ArrayEnabled;
use PhpOffice\PhpSpreadsheet\Calculation\Exception;
use PhpOffice\PhpSpreadsheet\Calculation\Information\ExcelError;

class ConvertUOM
{
    use ArrayEnabled;

public const CATEGORY_WEIGHT_AND_MASS = 'Weight and Mass';
    public const CATEGORY_DISTANCE = 'Distance';
    public const CATEGORY_TIME = 'Time';
    public const CATEGORY_PRESSURE = 'Pressure';
    public const CATEGORY_FORCE = 'Force';
    public const CATEGORY_ENERGY = 'Energy';
    public const CATEGORY_POWER = 'Power';
    public const CATEGORY_MAGNETISM = 'Magnetism';
    public const CATEGORY_TEMPERATURE = 'Temperature';
    public const CATEGORY_VOLUME = 'Volume and Liquid Measure';
    public const CATEGORY_AREA = 'Area';
    public const CATEGORY_INFORMATION = 'Information';
    public const CATEGORY_SPEED = 'Speed';

/**
     * Details of the Units of measure that can be used in CONVERTUOM().
     *
     * @var mixed[]
     */
    private static $conversionUnits = [
        // Weight and Mass
        'g' => ['Group' => self::CATEGORY_WEIGHT_AND_MASS, 'Unit Name' => 'Gram', 'AllowPrefix' => true],
        'sg' => ['Group' => self::CATEGORY_WEIGHT_AND_MASS, 'Unit Name' => 'Slug', 'AllowPrefix' => false],
        'lbm' => ['Group' => self::CATEGORY_WEIGHT_AND_MASS, 'Unit Name' => 'Pound mass (avoirdupois)', 'AllowPrefix' => false],
        'u' => ['Group' => self::CATEGORY_WEIGHT_AND_MASS, 'Unit Name' => 'U (atomic mass unit)', 'AllowPrefix' => true],
        'ozm' => ['Group' => self::CATEGORY_WEIGHT_AND_MASS, 'Unit Name' => 'Ounce mass (avoirdupois)', 'AllowPrefix' => false],
        'grain' => ['Group' => self::CATEGORY_WEIGHT_AND_MASS, 'Unit Name' => 'Grain', 'AllowPrefix' => false],
        'cwt' => ['Group' => self::CATEGORY_WEIGHT_AND_MASS, 'Unit Name' => 'U.S. (short) hundredweight', 'AllowPrefix' => false],
        'shweight' => ['Group' => self::CATEGORY_WEIGHT_AND_MASS, 'Unit Name' => 'U.S. (short) hundredweight', 'AllowPrefix' => false],
        'uk_cwt' => ['Group' => self::CATEGORY_WEIGHT_AND_MASS, 'Unit Name' => 'Imperial hundredweight', 'AllowPrefix' => false],
        'lcwt' => ['Group' => self::CATEGORY_WEIGHT_AND_MASS, 'Unit Name' => 'Imperial hundredweight', 'AllowPrefix' => false],
        'hweight' => ['Group' => self::CATEGORY_WEIGHT_AND_MASS, 'Unit Name' => 'Imperial hundredweight', 'AllowPrefix' => false],
        'stone' => ['Group' => self::CATEGORY_WEIGHT_AND_MASS, 'Unit Name' => 'Stone', 'AllowPrefix' => false],
        'ton' => ['Group' => self::CATEGORY_WEIGHT_AND_MASS, 'Unit Name' => 'Ton', 'AllowPrefix' => false],
        'uk_ton' => ['Group' => self::CATEGORY_WEIGHT_AND_MASS, 'Unit Name' => 'Imperial ton', 'AllowPrefix' => false],
        'LTON' => ['Group' => self::CATEGORY_WEIGHT_AND_MASS, 'Unit Name' => 'Imperial ton', 'AllowPrefix' => false],
        'brton' => ['Group' => self::CATEGORY_WEIGHT_AND_MASS, 'Unit Name' => 'Imperial ton', 'AllowPrefix' => false],
        // Distance
        'm' => ['Group' => self::CATEGORY_DISTANCE, 'Unit Name' => 'Meter', 'AllowPrefix' => true],
        'mi' => ['Group' => self::CATEGORY_DISTANCE, 'Unit Name' => 'Statute mile', 'AllowPrefix' => false],
        'Nmi' => ['Group' => self::CATEGORY_DISTANCE, 'Unit Name' => 'Nautical mile', 'AllowPrefix' => false],
        'in' => ['Group' => self::CATEGORY_DISTANCE, 'Unit Name' => 'Inch', 'AllowPrefix' => false],
        'ft' => ['Group' => self::CATEGORY_DISTANCE, 'Unit Name' => 'Foot', 'AllowPrefix' => false],
        'yd' => ['Group' => self::CATEGORY_DISTANCE, 'Unit Name' => 'Yard', 'AllowPrefix' => false],
        'ang' => ['Group' => self::CATEGORY_DISTANCE, 'Unit Name' => 'Angstrom', 'AllowPrefix' => true],
        'ell' => ['Group' => self::CATEGORY_DISTANCE, 'Unit Name' => 'Ell', 'AllowPrefix' => false],
        'ly' => ['Group' => self::CATEGORY_DISTANCE, 'Unit Name' => 'Light Year', 'AllowPrefix' => false],
        'parsec' => ['Group' => self::CATEGORY_DISTANCE, 'Unit Name' => 'Parsec', 'AllowPrefix' => false],
        'pc' => ['Group' => self::CATEGORY_DISTANCE, 'Unit Name' => 'Parsec', 'AllowPrefix' => false],
        'Pica' => ['Group' => self::CATEGORY_DISTANCE, 'Unit Name' => 'Pica (1/72 in)', 'AllowPrefix' => false],
        'Picapt' => ['Group' => self::CATEGORY_DISTANCE, 'Unit Name' => 'Pica (1/72 in)', 'AllowPrefix' => false],
        'pica' => ['Group' => self::CATEGORY_DISTANCE, 'Unit Name' => 'Pica (1/6 in)', 'AllowPrefix' => false],
        'survey_mi' => ['Group' => self::CATEGORY_DISTANCE, 'Unit Name' => 'U.S survey mile (statute mile)', 'AllowPrefix' => false],
        // Time
        'yr' => ['Group' => self::CATEGORY_TIME, 'Unit Name' => 'Year', 'AllowPrefix' => false],
        'day' => ['Group' => self::CATEGORY_TIME, 'Unit Name' => 'Day', 'AllowPrefix' => false],
        'd' => ['Group' => self::CATEGORY_TIME, 'Unit Name' => 'Day', 'AllowPrefix' => false],
        'hr' => ['Group' => self::CATEGORY_TIME, 'Unit Name' => 'Hour', 'AllowPrefix' => false],
        'mn' => ['Group' => self::CATEGORY_TIME, 'Unit Name' => 'Minute', 'AllowPrefix' => false],
        'min' => ['Group' => self::CATEGORY_TIME, 'Unit Name' => 'Minute', 'AllowPrefix' => false],
        'sec' => ['Group' => self::CATEGORY_TIME, 'Unit Name' => 'Second', 'AllowPrefix' => true],
        's' => ['Group' => self::CATEGORY_TIME, 'Unit Name' => 'Second', 'AllowPrefix' => true],
        // Pressure
        'Pa' => ['Group' => self::CATEGORY_PRESSURE, 'Unit Name' => 'Pascal', 'AllowPrefix' => true],
        'p' => ['Group' => self::CATEGORY_PRESSURE, 'Unit Name' => 'Pascal', 'AllowPrefix' => true],
        'atm' => ['Group' => self::CATEGORY_PRESSURE, 'Unit Name' => 'Atmosphere', 'AllowPrefix' => true],
        'at' => ['Group' => self::CATEGORY_PRESSURE, 'Unit Name' => 'Atmosphere', 'AllowPrefix' => true],
        'mmHg' => ['Group' => self::CATEGORY_PRESSURE, 'Unit Name' => 'mm of Mercury', 'AllowPrefix' => true],
        'psi' => ['Group' => self::CATEGORY_PRESSURE, 'Unit Name' => 'PSI', 'AllowPrefix' => true],
        'Torr' => ['Group' => self::CATEGORY_PRESSURE, 'Unit Name' => 'Torr', 'AllowPrefix' => true],
        // Force
        'N' => ['Group' => self::CATEGORY_FORCE, 'Unit Name' => 'Newton', 'AllowPrefix' => true],
        'dyn' => ['Group' => self::CATEGORY_FORCE, 'Unit Name' => 'Dyne', 'AllowPrefix' => true],
        'dy' => ['Group' => self::CATEGORY_FORCE, 'Unit Name' => 'Dyne', 'AllowPrefix' => true],
        'lbf' => ['Group' => self::CATEGORY_FORCE, 'Unit Name' => 'Pound force', 'AllowPrefix' => false],
        'pond' => ['Group' => self::CATEGORY_FORCE, 'Unit Name' => 'Pond', 'AllowPrefix' => true],
        // Energy
        'J' => ['Group' => self::CATEGORY_ENERGY, 'Unit Name' => 'Joule', 'AllowPrefix' => true],
        'e' => ['Group' => self::CATEGORY_ENERGY, 'Unit Name' => 'Erg', 'AllowPrefix' => true],
        'c' => ['Group' => self::CATEGORY_ENERGY, 'Unit Name' => 'Thermodynamic calorie', 'AllowPrefix' => true],
        'cal' => ['Group' => self::CATEGORY_ENERGY, 'Unit Name' => 'IT calorie', 'AllowPrefix' => true],
        'eV' => ['Group' => self::CATEGORY_ENERGY, 'Unit Name' => 'Electron volt', 'AllowPrefix' => true],
        'ev' => ['Group' => self::CATEGORY_ENERGY, 'Unit Name' => 'Electron volt', 'AllowPrefix' => true],
        'HPh' => ['Group' => self::CATEGORY_ENERGY, 'Unit Name' => 'Horsepower-hour', 'AllowPrefix' => false],
        'hh' => ['Group' => self::CATEGORY_ENERGY, 'Unit Name' => 'Horsepower-hour', 'AllowPrefix' => false],
        'Wh' => ['Group' => self::CATEGORY_ENERGY, 'Unit Name' => 'Watt-hour', 'AllowPrefix' => true],
        'wh' => ['Group' => self::CATEGORY_ENERGY, 'Unit Name' => 'Watt-hour', 'AllowPrefix' => true],
        'flb' => ['Group' => self::CATEGORY_ENERGY, 'Unit Name' => 'Foot-pound', 'AllowPrefix' => false],
        'BTU' => ['Group' => self::CATEGORY_ENERGY, 'Unit Name' => 'BTU', 'AllowPrefix' => false],
        'btu' => ['Group' => self::CATEGORY_ENERGY, 'Unit Name' => 'BTU', 'AllowPrefix' => false],
        // Power
        'HP' => ['Group' => self::CATEGORY_POWER, 'Unit Name' => 'Horsepower', 'AllowPrefix' => false],
        'h' => ['Group' => self::CATEGORY_POWER, 'Unit Name' => 'Horsepower', 'AllowPrefix' => false],
        'W' => ['Group' => self::CATEGORY_POWER, 'Unit Name' => 'Watt', 'AllowPrefix' => true],
        'w' => ['Group' => self::CATEGORY_POWER, 'Unit Name' => 'Watt', 'AllowPrefix' => true],
        'PS' => ['Group' => self::CATEGORY_POWER, 'Unit Name' => 'Pferdestärke', 'AllowPrefix' => false],
        // Magnetism
        'T' => ['Group' => self::CATEGORY_MAGNETISM, 'Unit Name' => 'Tesla', 'AllowPrefix' => true],
        'ga' => ['Group' => self::CATEGORY_MAGNETISM, 'Unit Name' => 'Gauss', 'AllowPrefix' => true],
        // Temperature
        'C' => ['Group' => self::CATEGORY_TEMPERATURE, 'Unit Name' => 'Degrees Celsius', 'AllowPrefix' => false],
        'cel' => ['Group' => self::CATEGORY_TEMPERATURE, 'Unit Name' => 'Degrees Celsius', 'AllowPrefix' => false],
        'F' => ['Group' => self::CATEGORY_TEMPERATURE, 'Unit Name' => 'Degrees Fahrenheit', 'AllowPrefix' => false],
        'fah' => ['Group' => self::CATEGORY_TEMPERATURE, 'Unit Name' => 'Degrees Fahrenheit', 'AllowPrefix' => false],
        'K' => ['Group' => self::CATEGORY_TEMPERATURE, 'Unit Name' => 'Kelvin', 'AllowPrefix' => false],
        'kel' => ['Group' => self::CATEGORY_TEMPERATURE, 'Unit Name' => 'Kelvin', 'AllowPrefix' => false],
        'Rank' => ['Group' => self::CATEGORY_TEMPERATURE, 'Unit Name' => 'Degrees Rankine', 'AllowPrefix' => false],
        'Reau' => ['Group' => self::CATEGORY_TEMPERATURE, 'Unit Name' => 'Degrees Réaumur', 'AllowPrefix' => false],
        // Volume
        'l' => ['Group' => self::CATEGORY_VOLUME, 'Unit Name' => 'Litre', 'AllowPrefix' => true],
        'L' => ['Group' => self::CATEGORY_VOLUME, 'Unit Name' => 'Litre', 'AllowPrefix' => true],
        'lt' => ['Group' => self::CATEGORY_VOLUME, 'Unit Name' => 'Litre', 'AllowPrefix' => true],
        'tsp' => ['Group' => self::CATEGORY_VOLUME, 'Unit Name' => 'Teaspoon', 'AllowPrefix' => false],
        'tspm' => ['Group' => self::CATEGORY_VOLUME, 'Unit Name' => 'Modern Teaspoon', 'AllowPrefix' => false],
        'tbs' => ['Group' => self::CATEGORY_VOLUME, 'Unit Name' => 'Tablespoon', 'AllowPrefix' => false],
        'oz' => ['Group' => self::CATEGORY_VOLUME, 'Unit Name' => 'Fluid Ounce', 'AllowPrefix' => false],
        'cup' => ['Group' => self::CATEGORY_VOLUME, 'Unit Name' => 'Cup', 'AllowPrefix' => false],
        'pt' => ['Group' => self::CATEGORY_VOLUME, 'Unit Name' => 'U.S. Pint', 'AllowPrefix' => false],
        'us_pt' => ['Group' => self::CATEGORY_VOLUME, 'Unit Name' => 'U.S. Pint', 'AllowPrefix' => false],
        'uk_pt' => ['Group' => self::CATEGORY_VOLUME, 'Unit Name' => 'U.K. Pint', 'AllowPrefix' => false],
        'qt' => ['Group' => self::CATEGORY_VOLUME, 'Unit Name' => 'Quart', 'AllowPrefix' => false],
        'uk_qt' => ['Group' => self::CATEGORY_VOLUME, 'Unit Name' => 'Imperial Quart (UK)', 'AllowPrefix' => false],
        'gal' => ['Group' => self::CATEGORY_VOLUME, 'Unit Name' => 'Gallon', 'AllowPrefix' => false],
        'uk_gal' => ['Group' => self::CATEGORY_VOLUME, 'Unit Name' => 'Imperial Gallon (UK)', 'AllowPrefix' => false],
        'ang3' => ['Group' => self::CATEGORY_VOLUME, 'Unit Name' => 'Cubic Angstrom', 'AllowPrefix' => true],
        'ang^3' => ['Group' => self::CATEGORY_VOLUME, 'Unit Name' => 'Cubic Angstrom', 'AllowPrefix' => true],
        'barrel' => ['Group' => self::CATEGORY_VOLUME, 'Unit Name' => 'US Oil Barrel', 'AllowPrefix' => false],
        'bushel' => ['Group' => self::CATEGORY_VOLUME, 'Unit Name' => 'US Bushel', 'AllowPrefix' => false],
        'in3' => ['Group' => self::CATEGORY_VOLUME, 'Unit Name' => 'Cubic Inch', 'AllowPrefix' => false],
        'in^3' => ['Group' => self::CATEGORY_VOLUME, 'Unit Name' => 'Cubic Inch', 'AllowPrefix' => false],
        'ft3' => ['Group' => self::CATEGORY_VOLUME, 'Unit Name' => 'Cubic Foot', 'AllowPrefix' => false],
        'ft^3' => ['Group' => self::CATEGORY_VOLUME, 'Unit Name' => 'Cubic Foot', 'AllowPrefix' => false],
        'ly3' => ['Group' => self::CATEGORY_VOLUME, 'Unit Name' => 'Cubic Light Year', 'AllowPrefix' => false],
        'ly^3' => ['Group' => self::CATEGORY_VOLUME, 'Unit Name' => 'Cubic Light Year', 'AllowPrefix' => false],
        'm3' => ['Group' => self::CATEGORY_VOLUME, 'Unit Name' => 'Cubic Meter', 'AllowPrefix' => true],
        'm^3' => ['Group' => self::CATEGORY_VOLUME, 'Unit Name' => 'Cubic Meter', 'AllowPrefix' => true],
        'mi3' => ['Group' => self::CATEGORY_VOLUME, 'Unit Name' => 'Cubic Mile', 'AllowPrefix' => false],
        'mi^3' => ['Group' => self::CATEGORY_VOLUME, 'Unit Name' => 'Cubic Mile', 'AllowPrefix' => false],
        'yd3' => ['Group' => self::CATEGORY_VOLUME, 'Unit Name' => 'Cubic Yard', 'AllowPrefix' => false],
        'yd^3' => ['Group' => self::CATEGORY_VOLUME, 'Unit Name' => 'Cubic Yard', 'AllowPrefix' => false],
        'Nmi3' => ['Group' => self::CATEGORY_VOLUME, 'Unit Name' => 'Cubic Nautical Mile', 'AllowPrefix' => false],
        'Nmi^3' => ['Group' => self::CATEGORY_VOLUME, 'Unit Name' => 'Cubic Nautical Mile', 'AllowPrefix' => false],
        'Pica3' => ['Group' => self::CATEGORY_VOLUME, 'Unit Name' => 'Cubic Pica', 'AllowPrefix' => false],
        'Pica^3' => ['Group' => self::CATEGORY_VOLUME, 'Unit Name' => 'Cubic Pica', 'AllowPrefix' => false],
        'Picapt3' => ['Group' => self::CATEGORY_VOLUME, 'Unit Name' => 'Cubic Pica', 'AllowPrefix' => false],
        'Picapt^3' => ['Group' => self::CATEGORY_VOLUME, 'Unit Name' => 'Cubic Pica', 'AllowPrefix' => false],
        'GRT' => ['Group' => self::CATEGORY_VOLUME, 'Unit Name' => 'Gross Registered Ton', 'AllowPrefix' => false],
        'regton' => ['Group' => self::CATEGORY_VOLUME, 'Unit Name' => 'Gross Registered Ton', 'AllowPrefix' => false],
        'MTON' => ['Group' => self::CATEGORY_VOLUME, 'Unit Name' => 'Measurement Ton (Freight Ton)', 'AllowPrefix' => false],
        // Area
        'ha' => ['Group' => self::CATEGORY_AREA, 'Unit Name' => 'Hectare', 'AllowPrefix' => true],
        'uk_acre' => ['Group' => self::CATEGORY_AREA, 'Unit Name' => 'International Acre', 'AllowPrefix' => false],
        'us_acre' => ['Group' => self::CATEGORY_AREA, 'Unit Name' => 'US Survey/Statute Acre', 'AllowPrefix' => false],
        'ang2' => ['Group' => self::CATEGORY_AREA, 'Unit Name' => 'Square Angstrom', 'AllowPrefix' => true],
        'ang^2' => ['Group' => self::CATEGORY_AREA, 'Unit Name' => 'Square Angstrom', 'AllowPrefix' => true],
        'ar' => ['Group' => self::CATEGORY_AREA, 'Unit Name' => 'Are', 'AllowPrefix' => true],
        'ft2' => ['Group' => self::CATEGORY_AREA, 'Unit Name' => 'Square Feet', 'AllowPrefix' => false],
        'ft^2' => ['Group' => self::CATEGORY_AREA, 'Unit Name' => 'Square Feet', 'AllowPrefix' => false],
        'in2' => ['Group' => self::CATEGORY_AREA, 'Unit Name' => 'Square Inches', 'AllowPrefix' => false],
        'in^2' => ['Group' => self::CATEGORY_AREA, 'Unit Name' => 'Square Inches', 'AllowPrefix' => false],
        'ly2' => ['Group' => self::CATEGORY_AREA, 'Unit Name' => 'Square Light Years', 'AllowPrefix' => false],
        'ly^2' => ['Group' => self::CATEGORY_AREA, 'Unit Name' => 'Square Light Years', 'AllowPrefix' => false],
        'm2' => ['Group' => self::CATEGORY_AREA, 'Unit Name' => 'Square Meters', 'AllowPrefix' => true],
        'm^2' => ['Group' => self::CATEGORY_AREA, 'Unit Name' => 'Square Meters', 'AllowPrefix' => true],
        'Morgen' => ['Group' => self::CATEGORY_AREA, 'Unit Name' => 'Morgen', 'AllowPrefix' => false],
        'mi2' => ['Group' => self::CATEGORY_AREA, 'Unit Name' => 'Square Miles', 'AllowPrefix' => false],
        'mi^2' => ['Group' => self::CATEGORY_AREA, 'Unit Name' => 'Square Miles', 'AllowPrefix' => false],
        'Nmi2' => ['Group' => self::CATEGORY_AREA, 'Unit Name' => 'Square Nautical Miles', 'AllowPrefix' => false],
        'Nmi^2' => ['Group' => self::CATEGORY_AREA, 'Unit Name' => 'Square Nautical Miles', 'AllowPrefix' => false],
        'Pica2' => ['Group' => self::CATEGORY_AREA, 'Unit Name' => 'Square Pica', 'AllowPrefix' => false],
        'Pica^2' => ['Group' => self::CATEGORY_AREA, 'Unit Name' => 'Square Pica', 'AllowPrefix' => false],
        'Picapt2' => ['Group' => self::CATEGORY_AREA, 'Unit Name' => 'Square Pica', 'AllowPrefix' => false],
        'Picapt^2' => ['Group' => self::CATEGORY_AREA, 'Unit Name' => 'Square Pica', 'AllowPrefix' => false],
        'yd2' => ['Group' => self::CATEGORY_AREA, 'Unit Name' => 'Square Yards', 'AllowPrefix' => false],
        'yd^2' => ['Group' => self::CATEGORY_AREA, 'Unit Name' => 'Square Yards', 'AllowPrefix' => false],
        // Information
        'byte' => ['Group' => self::CATEGORY_INFORMATION, 'Unit Name' => 'Byte', 'AllowPrefix' => true],
        'bit' => ['Group' => self::CATEGORY_INFORMATION, 'Unit Name' => 'Bit', 'AllowPrefix' => true],
        // Speed
        'm/s' => ['Group' => self::CATEGORY_SPEED, 'Unit Name' => 'Meters per second', 'AllowPrefix' => true],
        'm/sec' => ['Group' => self::CATEGORY_SPEED, 'Unit Name' => 'Meters per second', 'AllowPrefix' => true],
        'm/h' => ['Group' => self::CATEGORY_SPEED, 'Unit Name' => 'Meters per hour', 'AllowPrefix' => true],
        'm/hr' => ['Group' => self::CATEGORY_SPEED, 'Unit Name' => 'Meters per hour', 'AllowPrefix' => true],
        'mph' => ['Group' => self::CATEGORY_SPEED, 'Unit Name' => 'Miles per hour', 'AllowPrefix' => false],
        'admkn' => ['Group' => self::CATEGORY_SPEED, 'Unit Name' => 'Admiralty Knot', 'AllowPrefix' => false],
        'kn' => ['Group' => self::CATEGORY_SPEED, 'Unit Name' => 'Knot', 'AllowPrefix' => false],
    ];

/**
     * Details of the Multiplier prefixes that can be used with Units of Measure in CONVERTUOM().
     *
     * @var mixed[]
     */
    private static $conversionMultipliers = [
        'Y' => ['multiplier' => 1E24, 'name' => 'yotta'],
        'Z' => ['multiplier' => 1E21, 'name' => 'zetta'],
        'E' => ['multiplier' => 1E18, 'name' => 'exa'],
        'P' => ['multiplier' => 1E15, 'name' => 'peta'],
        'T' => ['multiplier' => 1E12, 'name' => 'tera'],
        'G' => ['multiplier' => 1E9, 'name' => 'giga'],
        'M' => ['multiplier' => 1E6, 'name' => 'mega'],
        'k' => ['multiplier' => 1E3, 'name' => 'kilo'],
        'h' => ['multiplier' => 1E2, 'name' => 'hecto'],
        'e' => ['multiplier' => 1E1, 'name' => 'dekao'],
        'da' => ['multiplier' => 1E1, 'name' => 'dekao'],
        'd' => ['multiplier' => 1E-1, 'name' => 'deci'],
        'c' => ['multiplier' => 1E-2, 'name' => 'centi'],
        'm' => ['multiplier' => 1E-3, 'name' => 'milli'],
        'u' => ['multiplier' => 1E-6, 'name' => 'micro'],
        'n' => ['multiplier' => 1E-9, 'name' => 'nano'],
        'p' => ['multiplier' => 1E-12, 'name' => 'pico'],
        'f' => ['multiplier' => 1E-15, 'name' => 'femto'],
        'a' => ['multiplier' => 1E-18, 'name' => 'atto'],
        'z' => ['multiplier' => 1E-21, 'name' => 'zepto'],
        'y' => ['multiplier' => 1E-24, 'name' => 'yocto'],
    ];

/**
     * Details of the Multiplier prefixes that can be used with Units of Measure in CONVERTUOM().
     *
     * @var mixed[]
     */
    private static $binaryConversionMultipliers = [
        'Yi' => ['multiplier' => 2 ** 80, 'name' => 'yobi'],
        'Zi' => ['multiplier' => 2 ** 70, 'name' => 'zebi'],
        'Ei' => ['multiplier' => 2 ** 60, 'name' => 'exbi'],
        'Pi' => ['multiplier' => 2 ** 50, 'name' => 'pebi'],
        'Ti' => ['multiplier' => 2 ** 40, 'name' => 'tebi'],
        'Gi' => ['multiplier' => 2 ** 30, 'name' => 'gibi'],
        'Mi' => ['multiplier' => 2 ** 20, 'name' => 'mebi'],
        'ki' => ['multiplier' => 2 ** 10, 'name' => 'kibi'],
    ];

/**
     * Details of the Units of measure conversion factors, organised by group.
     *
     * @var mixed[]
     */
    private static $unitConversions = [
        // Conversion uses gram (g) as an intermediate unit
        self::CATEGORY_WEIGHT_AND_MASS => [
            'g' => 1.0,
            'sg' => 6.85217658567918E-05,
            'lbm' => 2.20462262184878E-03,
            'u' => 6.02214179421676E+23,
            'ozm' => 3.52739619495804E-02,
            'grain' => 1.54323583529414E+01,
            'cwt' => 2.20462262184878E-05,
            'shweight' => 2.20462262184878E-05,
            'uk_cwt' => 1.96841305522212E-05,
            'lcwt' => 1.96841305522212E-05,
            'hweight' => 1.96841305522212E-05,
            'stone' => 1.57473044417770E-04,
            'ton' => 1.10231131092439E-06,
            'uk_ton' => 9.84206527611061E-07,
            'LTON' => 9.84206527611061E-07,
            'brton' => 9.84206527611061E-07,
        ],
        // Conversion uses meter (m) as an intermediate unit
        self::CATEGORY_DISTANCE => [
            'm' => 1.0,
            'mi' => 6.21371192237334E-04,
            'Nmi' => 5.39956803455724E-04,
            'in' => 3.93700787401575E+01,
            'ft' => 3.28083989501312E+00,
            'yd' => 1.09361329833771E+00,
            'ang' => 1.0E+10,
            'ell' => 8.74890638670166E-01,
            'ly' => 1.05700083402462E-16,
            'parsec' => 3.24077928966473E-17,
            'pc' => 3.24077928966473E-17,
            'Pica' => 2.83464566929134E+03,
            'Picapt' => 2.83464566929134E+03,
            'pica' => 2.36220472440945E+02,
            'survey_mi' => 6.21369949494950E-04,
        ],
        // Conversion uses second (s) as an intermediate unit
        self::CATEGORY_TIME => [
            'yr' => 3.16880878140289E-08,
            'day' => 1.15740740740741E-05,
            'd' => 1.15740740740741E-05,
            'hr' => 2.77777777777778E-04,
            'mn' => 1.66666666666667E-02,
            'min' => 1.66666666666667E-02,
            'sec' => 1.0,
            's' => 1.0,
        ],
        // Conversion uses Pascal (Pa) as an intermediate unit
        self::CATEGORY_PRESSURE => [
            'Pa' => 1.0,
            'p' => 1.0,
            'atm' => 9.86923266716013E-06,
            'at' => 9.86923266716013E-06,
            'mmHg' => 7.50063755419211E-03,
            'psi' => 1.45037737730209E-04,
            'Torr' => 7.50061682704170E-03,
        ],
        // Conversion uses Newton (N) as an intermediate unit
        self::CATEGORY_FORCE => [
            'N' => 1.0,
            'dyn' => 1.0E+5,
            'dy' => 1.0E+5,
            'lbf' => 2.24808923655339E-01,
            'pond' => 1.01971621297793E+02,
        ],
        // Conversion uses Joule (J) as an intermediate unit
        self::CATEGORY_ENERGY => [
            'J' => 1.0,
            'e' => 9.99999519343231E+06,
            'c' => 2.39006249473467E-01,
            'cal' => 2.38846190642017E-01,
            'eV' => 6.24145700000000E+18,
            'ev' => 6.24145700000000E+18,
            'HPh' => 3.72506430801000E-07,
            'hh' => 3.72506430801000E-07,
            'Wh' => 2.77777916238711E-04,
            'wh' => 2.77777916238711E-04,
            'flb' => 2.37304222192651E+01,
            'BTU' => 9.47815067349015E-04,
            'btu' => 9.47815067349015E-04,
        ],
        // Conversion uses Horsepower (HP) as an intermediate unit
        self::CATEGORY_POWER => [
            'HP' => 1.0,
            'h' => 1.0,
            'W' => 7.45699871582270E+02,
            'w' => 7.45699871582270E+02,
            'PS' => 1.01386966542400E+00,
        ],
        // Conversion uses Tesla (T) as an intermediate unit
        self::CATEGORY_MAGNETISM => [
            'T' => 1.0,
            'ga' => 10000.0,
        ],
        // Conversion uses litre (l) as an intermediate unit
        self::CATEGORY_VOLUME => [
            'l' => 1.0,
            'L' => 1.0,
            'lt' => 1.0,
            'tsp' => 2.02884136211058E+02,
            'tspm' => 2.0E+02,
            'tbs' => 6.76280454036860E+01,
            'oz' => 3.38140227018430E+01,
            'cup' => 4.22675283773038E+00,
            'pt' => 2.11337641886519E+00,
            'us_pt' => 2.11337641886519E+00,
            'uk_pt' => 1.75975398639270E+00,
            'qt' => 1.05668820943259E+00,
            'uk_qt' => 8.79876993196351E-01,
            'gal' => 2.64172052358148E-01,
            'uk_gal' => 2.19969248299088E-01,
            'ang3' => 1.0E+27,
            'ang^3' => 1.0E+27,
            'barrel' => 6.28981077043211E-03,
            'bushel' => 2.83775932584017E-02,
            'in3' => 6.10237440947323E+01,
            'in^3' => 6.10237440947323E+01,
            'ft3' => 3.53146667214886E-02,
            'ft^3' => 3.53146667214886E-02,
            'ly3' => 1.18093498844171E-51,
            'ly^3' => 1.18093498844171E-51,
            'm3' => 1.0E-03,
            'm^3' => 1.0E-03,
            'mi3' => 2.39912758578928E-13,
            'mi^3' => 2.39912758578928E-13,
            'yd3' => 1.30795061931439E-03,
            'yd^3' => 1.30795061931439E-03,
            'Nmi3' => 1.57426214685811E-13,
            'Nmi^3' => 1.57426214685811E-13,
            'Pica3' => 2.27769904358706E+07,
            'Pica^3' => 2.27769904358706E+07,
            'Picapt3' => 2.27769904358706E+07,
            'Picapt^3' => 2.27769904358706E+07,
            'GRT' => 3.53146667214886E-04,
            'regton' => 3.53146667214886E-04,
            'MTON' => 8.82866668037215E-04,
        ],
        // Conversion uses hectare (ha) as an intermediate unit
        self::CATEGORY_AREA => [
            'ha' => 1.0,
            'uk_acre' => 2.47105381467165E+00,
            'us_acre' => 2.47104393046628E+00,
            'ang2' => 1.0E+24,
            'ang^2' => 1.0E+24,
            'ar' => 1.0E+02,
            'ft2' => 1.07639104167097E+05,
            'ft^2' => 1.07639104167097E+05,
            'in2' => 1.55000310000620E+07,
            'in^2' => 1.55000310000620E+07,
            'ly2' => 1.11725076312873E-28,
            'ly^2' => 1.11725076312873E-28,
            'm2' => 1.0E+04,
            'm^2' => 1.0E+04,
            'Morgen' => 4.0E+00,
            'mi2' => 3.86102158542446E-03,
            'mi^2' => 3.86102158542446E-03,
            'Nmi2' => 2.91553349598123E-03,
            'Nmi^2' => 2.91553349598123E-03,
            'Pica2' => 8.03521607043214E+10,
            'Pica^2' => 8.03521607043214E+10,
            'Picapt2' => 8.03521607043214E+10,
            'Picapt^2' => 8.03521607043214E+10,
            'yd2' => 1.19599004630108E+04,
            'yd^2' => 1.19599004630108E+04,
        ],
        // Conversion uses bit (bit) as an intermediate unit
        self::CATEGORY_INFORMATION => [
            'bit' => 1.0,
            'byte' => 0.125,
        ],
        // Conversion uses Meters per Second (m/s) as an intermediate unit
        self::CATEGORY_SPEED => [
            'm/s' => 1.0,
            'm/sec' => 1.0,
            'm/h' => 3.60E+03,
            'm/hr' => 3.60E+03,
            'mph' => 2.23693629205440E+00,
            'admkn' => 1.94260256941567E+00,
            'kn' => 1.94384449244060E+00,
        ],
    ];

/**
     *    getConversionGroups
     * Returns a list of the different conversion groups for UOM conversions.
     *
     * @return array
     */
    public static function getConversionCategories()
    {
        $conversionGroups = [];
        foreach (self::$conversionUnits as $conversionUnit) {
            $conversionGroups[] = $conversionUnit['Group'];
        }

return array_merge(array_unique($conversionGroups));
    }

/**
     *    getConversionGroupUnits
     * Returns an array of units of measure, for a specified conversion group, or for all groups.
     *
     * @param string $category The group whose units of measure you want to retrieve
     *
     * @return array
     */
    public static function getConversionCategoryUnits($category = null)
    {
        $conversionGroups = [];
        foreach (self::$conversionUnits as $conversionUnit => $conversionGroup) {
            if (($category === null) || ($conversionGroup['Group'] == $category)) {
                $conversionGroups[$conversionGroup['Group']][] = $conversionUnit;
            }
        }

return $conversionGroups;
    }

/**
     * getConversionGroupUnitDetails.
     *
     * @param string $category The group whose units of measure you want to retrieve
     *
     * @return array
     */
    public static function getConversionCategoryUnitDetails($category = null)
    {
        $conversionGroups = [];
        foreach (self::$conversionUnits as $conversionUnit => $conversionGroup) {
            if (($category === null) || ($conversionGroup['Group'] == $category)) {
                $conversionGroups[$conversionGroup['Group']][] = [
                    'unit' => $conversionUnit,
                    'description' => $conversionGroup['Unit Name'],
                ];
            }
        }

return $conversionGroups;
    }

/**
     *    getConversionMultipliers
     * Returns an array of the Multiplier prefixes that can be used with Units of Measure in CONVERTUOM().
     *
     * @return mixed[]
     */
    public static function getConversionMultipliers()
    {
        return self::$conversionMultipliers;
    }

/**
     *    getBinaryConversionMultipliers
     * Returns an array of the additional Multiplier prefixes that can be used with Information Units of Measure in CONVERTUOM().
     *
     * @return mixed[]
     */
    public static function getBinaryConversionMultipliers()
    {
        return self::$binaryConversionMultipliers;
    }

/**
     * CONVERT.
     *
     * Converts a number from one measurement system to another.
     *    For example, CONVERT can translate a table of distances in miles to a table of distances
     * in kilometers.
     *
     *    Excel Function:
     *        CONVERT(value,fromUOM,toUOM)
     *
     * @param array|float|int|string $value the value in fromUOM to convert
     *                      Or can be an array of values
     * @param array|string $fromUOM the units for value
     *                      Or can be an array of values
     * @param array|string $toUOM the units for the result
     *                      Or can be an array of values
     *
     * @return array|float|string Result, or a string containing an error
     *         If an array of numbers is passed as an argument, then the returned result will also be an array
     *            with the same dimensions
     */
    public static function CONVERT($value, $fromUOM, $toUOM)
    {
        if (is_array($value) || is_array($fromUOM) || is_array($toUOM)) {
            return self::evaluateArrayArguments([self::class, __FUNCTION__], $value, $fromUOM, $toUOM);
        }

if (!is_numeric($value)) {
            return ExcelError::VALUE();
        }

try {
            [$fromUOM, $fromCategory, $fromMultiplier] = self::getUOMDetails($fromUOM);
            [$toUOM, $toCategory, $toMultiplier] = self::getUOMDetails($toUOM);
        } catch (Exception $e) {
            return ExcelError::NA();
        }

if ($fromCategory !== $toCategory) {
            return ExcelError::NA();
        }

// @var float $value
        $value *= $fromMultiplier;

if (($fromUOM === $toUOM) && ($fromMultiplier === $toMultiplier)) {
            //    We've already factored $fromMultiplier into the value, so we need
            //        to reverse it again
            return $value / $fromMultiplier;
        } elseif ($fromUOM === $toUOM) {
            return $value / $toMultiplier;
        } elseif ($fromCategory === self::CATEGORY_TEMPERATURE) {
            return self::convertTemperature($fromUOM, $toUOM, /** @scrutinizer ignore-type */ $value);
        }

$baseValue = $value * (1.0 / self::$unitConversions[$fromCategory][$fromUOM]);

return ($baseValue * self::$unitConversions[$fromCategory][$toUOM]) / $toMultiplier;
    }

private static function getUOMDetails(string $uom): array
    {
        if (isset(self::$conversionUnits[$uom])) {
            $unitCategory = self::$conversionUnits[$uom]['Group'];

return [$uom, $unitCategory, 1.0];
        }

// Check 1-character standard metric multiplier prefixes
        $multiplierType = substr($uom, 0, 1);
        $uom = substr($uom, 1);
        if (isset(self::$conversionUnits[$uom], self::$conversionMultipliers[$multiplierType])) {
            if (self::$conversionUnits[$uom]['AllowPrefix'] === false) {
                throw new Exception('Prefix not allowed for UoM');
            }
            $unitCategory = self::$conversionUnits[$uom]['Group'];

return [$uom, $unitCategory, self::$conversionMultipliers[$multiplierType]['multiplier']];
        }

$multiplierType .= substr($uom, 0, 1);
        $uom = substr($uom, 1);

// Check 2-character standard metric multiplier prefixes
        if (isset(self::$conversionUnits[$uom], self::$conversionMultipliers[$multiplierType])) {
            if (self::$conversionUnits[$uom]['AllowPrefix'] === false) {
                throw new Exception('Prefix not allowed for UoM');
            }
            $unitCategory = self::$conversionUnits[$uom]['Group'];

return [$uom, $unitCategory, self::$conversionMultipliers[$multiplierType]['multiplier']];
        }

// Check 2-character binary multiplier prefixes
        if (isset(self::$conversionUnits[$uom], self::$binaryConversionMultipliers[$multiplierType])) {
            if (self::$conversionUnits[$uom]['AllowPrefix'] === false) {
                throw new Exception('Prefix not allowed for UoM');
            }
            $unitCategory = self::$conversionUnits[$uom]['Group'];
            if ($unitCategory !== 'Information') {
                throw new Exception('Binary Prefix is only allowed for Information UoM');
            }

return [$uom, $unitCategory, self::$binaryConversionMultipliers[$multiplierType]['multiplier']];
        }

throw new Exception('UoM Not Found');
    }

/**
     * @param float|int $value
     *
     * @return float|int
     */
    protected static function convertTemperature(string $fromUOM, string $toUOM, $value)
    {
        $fromUOM = self::resolveTemperatureSynonyms($fromUOM);
        $toUOM = self::resolveTemperatureSynonyms($toUOM);

if ($fromUOM === $toUOM) {
            return $value;
        }

// Convert to Kelvin
        switch ($fromUOM) {
            case 'F':
                $value = ($value - 32) / 1.8 + 273.15;

break;
            case 'C':
                $value += 273.15;

break;
            case 'Rank':
                $value /= 1.8;

break;
            case 'Reau':
                $value = $value * 1.25 + 273.15;

break;
        }

// Convert from Kelvin
        switch ($toUOM) {
            case 'F':
                $value = ($value - 273.15) * 1.8 + 32.00;

break;
            case 'C':
                $value -= 273.15;

break;
            case 'Rank':
                $value *= 1.8;

break;
            case 'Reau':
                $value = ($value - 273.15) * 0.80000;

break;
        }

return $value;
    }

private static function resolveTemperatureSynonyms(string $uom): string
    {
        switch ($uom) {
            case 'fah':
                return 'F';
            case 'cel':
                return 'C';
            case 'kel':
                return 'K';
        }

return $uom;
    }
}

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