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<?phpnamespace 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 array<string, array{Group: string, UnitName: string, AllowPrefix: bool}>*/private static array $conversionUnits = [// Weight and Mass'g' => ['Group' => self::CATEGORY_WEIGHT_AND_MASS, 'UnitName' => 'Gram', 'AllowPrefix' => true],'sg' => ['Group' => self::CATEGORY_WEIGHT_AND_MASS, 'UnitName' => 'Slug', 'AllowPrefix' => false],'lbm' => ['Group' => self::CATEGORY_WEIGHT_AND_MASS, 'UnitName' => 'Pound mass (avoirdupois)', 'AllowPrefix' => false],'u' => ['Group' => self::CATEGORY_WEIGHT_AND_MASS, 'UnitName' => 'U (atomic mass unit)', 'AllowPrefix' => true],'ozm' => ['Group' => self::CATEGORY_WEIGHT_AND_MASS, 'UnitName' => 'Ounce mass (avoirdupois)', 'AllowPrefix' => false],'grain' => ['Group' => self::CATEGORY_WEIGHT_AND_MASS, 'UnitName' => 'Grain', 'AllowPrefix' => false],'cwt' => ['Group' => self::CATEGORY_WEIGHT_AND_MASS, 'UnitName' => 'U.S. (short) hundredweight', 'AllowPrefix' => false],'shweight' => ['Group' => self::CATEGORY_WEIGHT_AND_MASS, 'UnitName' => 'U.S. (short) hundredweight', 'AllowPrefix' => false],'uk_cwt' => ['Group' => self::CATEGORY_WEIGHT_AND_MASS, 'UnitName' => 'Imperial hundredweight', 'AllowPrefix' => false],'lcwt' => ['Group' => self::CATEGORY_WEIGHT_AND_MASS, 'UnitName' => 'Imperial hundredweight', 'AllowPrefix' => false],'hweight' => ['Group' => self::CATEGORY_WEIGHT_AND_MASS, 'UnitName' => 'Imperial hundredweight', 'AllowPrefix' => false],'stone' => ['Group' => self::CATEGORY_WEIGHT_AND_MASS, 'UnitName' => 'Stone', 'AllowPrefix' => false],'ton' => ['Group' => self::CATEGORY_WEIGHT_AND_MASS, 'UnitName' => 'Ton', 'AllowPrefix' => false],'uk_ton' => ['Group' => self::CATEGORY_WEIGHT_AND_MASS, 'UnitName' => 'Imperial ton', 'AllowPrefix' => false],'LTON' => ['Group' => self::CATEGORY_WEIGHT_AND_MASS, 'UnitName' => 'Imperial ton', 'AllowPrefix' => false],'brton' => ['Group' => self::CATEGORY_WEIGHT_AND_MASS, 'UnitName' => 'Imperial ton', 'AllowPrefix' => false],// Distance'm' => ['Group' => self::CATEGORY_DISTANCE, 'UnitName' => 'Meter', 'AllowPrefix' => true],'mi' => ['Group' => self::CATEGORY_DISTANCE, 'UnitName' => 'Statute mile', 'AllowPrefix' => false],'Nmi' => ['Group' => self::CATEGORY_DISTANCE, 'UnitName' => 'Nautical mile', 'AllowPrefix' => false],'in' => ['Group' => self::CATEGORY_DISTANCE, 'UnitName' => 'Inch', 'AllowPrefix' => false],'ft' => ['Group' => self::CATEGORY_DISTANCE, 'UnitName' => 'Foot', 'AllowPrefix' => false],'yd' => ['Group' => self::CATEGORY_DISTANCE, 'UnitName' => 'Yard', 'AllowPrefix' => false],'ang' => ['Group' => self::CATEGORY_DISTANCE, 'UnitName' => 'Angstrom', 'AllowPrefix' => true],'ell' => ['Group' => self::CATEGORY_DISTANCE, 'UnitName' => 'Ell', 'AllowPrefix' => false],'ly' => ['Group' => self::CATEGORY_DISTANCE, 'UnitName' => 'Light Year', 'AllowPrefix' => false],'parsec' => ['Group' => self::CATEGORY_DISTANCE, 'UnitName' => 'Parsec', 'AllowPrefix' => false],'pc' => ['Group' => self::CATEGORY_DISTANCE, 'UnitName' => 'Parsec', 'AllowPrefix' => false],'Pica' => ['Group' => self::CATEGORY_DISTANCE, 'UnitName' => 'Pica (1/72 in)', 'AllowPrefix' => false],'Picapt' => ['Group' => self::CATEGORY_DISTANCE, 'UnitName' => 'Pica (1/72 in)', 'AllowPrefix' => false],'pica' => ['Group' => self::CATEGORY_DISTANCE, 'UnitName' => 'Pica (1/6 in)', 'AllowPrefix' => false],'survey_mi' => ['Group' => self::CATEGORY_DISTANCE, 'UnitName' => 'U.S survey mile (statute mile)', 'AllowPrefix' => false],// Time'yr' => ['Group' => self::CATEGORY_TIME, 'UnitName' => 'Year', 'AllowPrefix' => false],'day' => ['Group' => self::CATEGORY_TIME, 'UnitName' => 'Day', 'AllowPrefix' => false],'d' => ['Group' => self::CATEGORY_TIME, 'UnitName' => 'Day', 'AllowPrefix' => false],'hr' => ['Group' => self::CATEGORY_TIME, 'UnitName' => 'Hour', 'AllowPrefix' => false],'mn' => ['Group' => self::CATEGORY_TIME, 'UnitName' => 'Minute', 'AllowPrefix' => false],'min' => ['Group' => self::CATEGORY_TIME, 'UnitName' => 'Minute', 'AllowPrefix' => false],'sec' => ['Group' => self::CATEGORY_TIME, 'UnitName' => 'Second', 'AllowPrefix' => true],'s' => ['Group' => self::CATEGORY_TIME, 'UnitName' => 'Second', 'AllowPrefix' => true],// Pressure'Pa' => ['Group' => self::CATEGORY_PRESSURE, 'UnitName' => 'Pascal', 'AllowPrefix' => true],'p' => ['Group' => self::CATEGORY_PRESSURE, 'UnitName' => 'Pascal', 'AllowPrefix' => true],'atm' => ['Group' => self::CATEGORY_PRESSURE, 'UnitName' => 'Atmosphere', 'AllowPrefix' => true],'at' => ['Group' => self::CATEGORY_PRESSURE, 'UnitName' => 'Atmosphere', 'AllowPrefix' => true],'mmHg' => ['Group' => self::CATEGORY_PRESSURE, 'UnitName' => 'mm of Mercury', 'AllowPrefix' => true],'psi' => ['Group' => self::CATEGORY_PRESSURE, 'UnitName' => 'PSI', 'AllowPrefix' => true],'Torr' => ['Group' => self::CATEGORY_PRESSURE, 'UnitName' => 'Torr', 'AllowPrefix' => true],// Force'N' => ['Group' => self::CATEGORY_FORCE, 'UnitName' => 'Newton', 'AllowPrefix' => true],'dyn' => ['Group' => self::CATEGORY_FORCE, 'UnitName' => 'Dyne', 'AllowPrefix' => true],'dy' => ['Group' => self::CATEGORY_FORCE, 'UnitName' => 'Dyne', 'AllowPrefix' => true],'lbf' => ['Group' => self::CATEGORY_FORCE, 'UnitName' => 'Pound force', 'AllowPrefix' => false],'pond' => ['Group' => self::CATEGORY_FORCE, 'UnitName' => 'Pond', 'AllowPrefix' => true],// Energy'J' => ['Group' => self::CATEGORY_ENERGY, 'UnitName' => 'Joule', 'AllowPrefix' => true],'e' => ['Group' => self::CATEGORY_ENERGY, 'UnitName' => 'Erg', 'AllowPrefix' => true],'c' => ['Group' => self::CATEGORY_ENERGY, 'UnitName' => 'Thermodynamic calorie', 'AllowPrefix' => true],'cal' => ['Group' => self::CATEGORY_ENERGY, 'UnitName' => 'IT calorie', 'AllowPrefix' => true],'eV' => ['Group' => self::CATEGORY_ENERGY, 'UnitName' => 'Electron volt', 'AllowPrefix' => true],'ev' => ['Group' => self::CATEGORY_ENERGY, 'UnitName' => 'Electron volt', 'AllowPrefix' => true],'HPh' => ['Group' => self::CATEGORY_ENERGY, 'UnitName' => 'Horsepower-hour', 'AllowPrefix' => false],'hh' => ['Group' => self::CATEGORY_ENERGY, 'UnitName' => 'Horsepower-hour', 'AllowPrefix' => false],'Wh' => ['Group' => self::CATEGORY_ENERGY, 'UnitName' => 'Watt-hour', 'AllowPrefix' => true],'wh' => ['Group' => self::CATEGORY_ENERGY, 'UnitName' => 'Watt-hour', 'AllowPrefix' => true],'flb' => ['Group' => self::CATEGORY_ENERGY, 'UnitName' => 'Foot-pound', 'AllowPrefix' => false],'BTU' => ['Group' => self::CATEGORY_ENERGY, 'UnitName' => 'BTU', 'AllowPrefix' => false],'btu' => ['Group' => self::CATEGORY_ENERGY, 'UnitName' => 'BTU', 'AllowPrefix' => false],// Power'HP' => ['Group' => self::CATEGORY_POWER, 'UnitName' => 'Horsepower', 'AllowPrefix' => false],'h' => ['Group' => self::CATEGORY_POWER, 'UnitName' => 'Horsepower', 'AllowPrefix' => false],'W' => ['Group' => self::CATEGORY_POWER, 'UnitName' => 'Watt', 'AllowPrefix' => true],'w' => ['Group' => self::CATEGORY_POWER, 'UnitName' => 'Watt', 'AllowPrefix' => true],'PS' => ['Group' => self::CATEGORY_POWER, 'UnitName' => 'Pferdestärke', 'AllowPrefix' => false],// Magnetism'T' => ['Group' => self::CATEGORY_MAGNETISM, 'UnitName' => 'Tesla', 'AllowPrefix' => true],'ga' => ['Group' => self::CATEGORY_MAGNETISM, 'UnitName' => 'Gauss', 'AllowPrefix' => true],// Temperature'C' => ['Group' => self::CATEGORY_TEMPERATURE, 'UnitName' => 'Degrees Celsius', 'AllowPrefix' => false],'cel' => ['Group' => self::CATEGORY_TEMPERATURE, 'UnitName' => 'Degrees Celsius', 'AllowPrefix' => false],'F' => ['Group' => self::CATEGORY_TEMPERATURE, 'UnitName' => 'Degrees Fahrenheit', 'AllowPrefix' => false],'fah' => ['Group' => self::CATEGORY_TEMPERATURE, 'UnitName' => 'Degrees Fahrenheit', 'AllowPrefix' => false],'K' => ['Group' => self::CATEGORY_TEMPERATURE, 'UnitName' => 'Kelvin', 'AllowPrefix' => false],'kel' => ['Group' => self::CATEGORY_TEMPERATURE, 'UnitName' => 'Kelvin', 'AllowPrefix' => false],'Rank' => ['Group' => self::CATEGORY_TEMPERATURE, 'UnitName' => 'Degrees Rankine', 'AllowPrefix' => false],'Reau' => ['Group' => self::CATEGORY_TEMPERATURE, 'UnitName' => 'Degrees Réaumur', 'AllowPrefix' => false],// Volume'l' => ['Group' => self::CATEGORY_VOLUME, 'UnitName' => 'Litre', 'AllowPrefix' => true],'L' => ['Group' => self::CATEGORY_VOLUME, 'UnitName' => 'Litre', 'AllowPrefix' => true],'lt' => ['Group' => self::CATEGORY_VOLUME, 'UnitName' => 'Litre', 'AllowPrefix' => true],'tsp' => ['Group' => self::CATEGORY_VOLUME, 'UnitName' => 'Teaspoon', 'AllowPrefix' => false],'tspm' => ['Group' => self::CATEGORY_VOLUME, 'UnitName' => 'Modern Teaspoon', 'AllowPrefix' => false],'tbs' => ['Group' => self::CATEGORY_VOLUME, 'UnitName' => 'Tablespoon', 'AllowPrefix' => false],'oz' => ['Group' => self::CATEGORY_VOLUME, 'UnitName' => 'Fluid Ounce', 'AllowPrefix' => false],'cup' => ['Group' => self::CATEGORY_VOLUME, 'UnitName' => 'Cup', 'AllowPrefix' => false],'pt' => ['Group' => self::CATEGORY_VOLUME, 'UnitName' => 'U.S. Pint', 'AllowPrefix' => false],'us_pt' => ['Group' => self::CATEGORY_VOLUME, 'UnitName' => 'U.S. Pint', 'AllowPrefix' => false],'uk_pt' => ['Group' => self::CATEGORY_VOLUME, 'UnitName' => 'U.K. Pint', 'AllowPrefix' => false],'qt' => ['Group' => self::CATEGORY_VOLUME, 'UnitName' => 'Quart', 'AllowPrefix' => false],'uk_qt' => ['Group' => self::CATEGORY_VOLUME, 'UnitName' => 'Imperial Quart (UK)', 'AllowPrefix' => false],'gal' => ['Group' => self::CATEGORY_VOLUME, 'UnitName' => 'Gallon', 'AllowPrefix' => false],'uk_gal' => ['Group' => self::CATEGORY_VOLUME, 'UnitName' => 'Imperial Gallon (UK)', 'AllowPrefix' => false],'ang3' => ['Group' => self::CATEGORY_VOLUME, 'UnitName' => 'Cubic Angstrom', 'AllowPrefix' => true],'ang^3' => ['Group' => self::CATEGORY_VOLUME, 'UnitName' => 'Cubic Angstrom', 'AllowPrefix' => true],'barrel' => ['Group' => self::CATEGORY_VOLUME, 'UnitName' => 'US Oil Barrel', 'AllowPrefix' => false],'bushel' => ['Group' => self::CATEGORY_VOLUME, 'UnitName' => 'US Bushel', 'AllowPrefix' => false],'in3' => ['Group' => self::CATEGORY_VOLUME, 'UnitName' => 'Cubic Inch', 'AllowPrefix' => false],'in^3' => ['Group' => self::CATEGORY_VOLUME, 'UnitName' => 'Cubic Inch', 'AllowPrefix' => false],'ft3' => ['Group' => self::CATEGORY_VOLUME, 'UnitName' => 'Cubic Foot', 'AllowPrefix' => false],'ft^3' => ['Group' => self::CATEGORY_VOLUME, 'UnitName' => 'Cubic Foot', 'AllowPrefix' => false],'ly3' => ['Group' => self::CATEGORY_VOLUME, 'UnitName' => 'Cubic Light Year', 'AllowPrefix' => false],'ly^3' => ['Group' => self::CATEGORY_VOLUME, 'UnitName' => 'Cubic Light Year', 'AllowPrefix' => false],'m3' => ['Group' => self::CATEGORY_VOLUME, 'UnitName' => 'Cubic Meter', 'AllowPrefix' => true],'m^3' => ['Group' => self::CATEGORY_VOLUME, 'UnitName' => 'Cubic Meter', 'AllowPrefix' => true],'mi3' => ['Group' => self::CATEGORY_VOLUME, 'UnitName' => 'Cubic Mile', 'AllowPrefix' => false],'mi^3' => ['Group' => self::CATEGORY_VOLUME, 'UnitName' => 'Cubic Mile', 'AllowPrefix' => false],'yd3' => ['Group' => self::CATEGORY_VOLUME, 'UnitName' => 'Cubic Yard', 'AllowPrefix' => false],'yd^3' => ['Group' => self::CATEGORY_VOLUME, 'UnitName' => 'Cubic Yard', 'AllowPrefix' => false],'Nmi3' => ['Group' => self::CATEGORY_VOLUME, 'UnitName' => 'Cubic Nautical Mile', 'AllowPrefix' => false],'Nmi^3' => ['Group' => self::CATEGORY_VOLUME, 'UnitName' => 'Cubic Nautical Mile', 'AllowPrefix' => false],'Pica3' => ['Group' => self::CATEGORY_VOLUME, 'UnitName' => 'Cubic Pica', 'AllowPrefix' => false],'Pica^3' => ['Group' => self::CATEGORY_VOLUME, 'UnitName' => 'Cubic Pica', 'AllowPrefix' => false],'Picapt3' => ['Group' => self::CATEGORY_VOLUME, 'UnitName' => 'Cubic Pica', 'AllowPrefix' => false],'Picapt^3' => ['Group' => self::CATEGORY_VOLUME, 'UnitName' => 'Cubic Pica', 'AllowPrefix' => false],'GRT' => ['Group' => self::CATEGORY_VOLUME, 'UnitName' => 'Gross Registered Ton', 'AllowPrefix' => false],'regton' => ['Group' => self::CATEGORY_VOLUME, 'UnitName' => 'Gross Registered Ton', 'AllowPrefix' => false],'MTON' => ['Group' => self::CATEGORY_VOLUME, 'UnitName' => 'Measurement Ton (Freight Ton)', 'AllowPrefix' => false],// Area'ha' => ['Group' => self::CATEGORY_AREA, 'UnitName' => 'Hectare', 'AllowPrefix' => true],'uk_acre' => ['Group' => self::CATEGORY_AREA, 'UnitName' => 'International Acre', 'AllowPrefix' => false],'us_acre' => ['Group' => self::CATEGORY_AREA, 'UnitName' => 'US Survey/Statute Acre', 'AllowPrefix' => false],'ang2' => ['Group' => self::CATEGORY_AREA, 'UnitName' => 'Square Angstrom', 'AllowPrefix' => true],'ang^2' => ['Group' => self::CATEGORY_AREA, 'UnitName' => 'Square Angstrom', 'AllowPrefix' => true],'ar' => ['Group' => self::CATEGORY_AREA, 'UnitName' => 'Are', 'AllowPrefix' => true],'ft2' => ['Group' => self::CATEGORY_AREA, 'UnitName' => 'Square Feet', 'AllowPrefix' => false],'ft^2' => ['Group' => self::CATEGORY_AREA, 'UnitName' => 'Square Feet', 'AllowPrefix' => false],'in2' => ['Group' => self::CATEGORY_AREA, 'UnitName' => 'Square Inches', 'AllowPrefix' => false],'in^2' => ['Group' => self::CATEGORY_AREA, 'UnitName' => 'Square Inches', 'AllowPrefix' => false],'ly2' => ['Group' => self::CATEGORY_AREA, 'UnitName' => 'Square Light Years', 'AllowPrefix' => false],'ly^2' => ['Group' => self::CATEGORY_AREA, 'UnitName' => 'Square Light Years', 'AllowPrefix' => false],'m2' => ['Group' => self::CATEGORY_AREA, 'UnitName' => 'Square Meters', 'AllowPrefix' => true],'m^2' => ['Group' => self::CATEGORY_AREA, 'UnitName' => 'Square Meters', 'AllowPrefix' => true],'Morgen' => ['Group' => self::CATEGORY_AREA, 'UnitName' => 'Morgen', 'AllowPrefix' => false],'mi2' => ['Group' => self::CATEGORY_AREA, 'UnitName' => 'Square Miles', 'AllowPrefix' => false],'mi^2' => ['Group' => self::CATEGORY_AREA, 'UnitName' => 'Square Miles', 'AllowPrefix' => false],'Nmi2' => ['Group' => self::CATEGORY_AREA, 'UnitName' => 'Square Nautical Miles', 'AllowPrefix' => false],'Nmi^2' => ['Group' => self::CATEGORY_AREA, 'UnitName' => 'Square Nautical Miles', 'AllowPrefix' => false],'Pica2' => ['Group' => self::CATEGORY_AREA, 'UnitName' => 'Square Pica', 'AllowPrefix' => false],'Pica^2' => ['Group' => self::CATEGORY_AREA, 'UnitName' => 'Square Pica', 'AllowPrefix' => false],'Picapt2' => ['Group' => self::CATEGORY_AREA, 'UnitName' => 'Square Pica', 'AllowPrefix' => false],'Picapt^2' => ['Group' => self::CATEGORY_AREA, 'UnitName' => 'Square Pica', 'AllowPrefix' => false],'yd2' => ['Group' => self::CATEGORY_AREA, 'UnitName' => 'Square Yards', 'AllowPrefix' => false],'yd^2' => ['Group' => self::CATEGORY_AREA, 'UnitName' => 'Square Yards', 'AllowPrefix' => false],// Information'byte' => ['Group' => self::CATEGORY_INFORMATION, 'UnitName' => 'Byte', 'AllowPrefix' => true],'bit' => ['Group' => self::CATEGORY_INFORMATION, 'UnitName' => 'Bit', 'AllowPrefix' => true],// Speed'm/s' => ['Group' => self::CATEGORY_SPEED, 'UnitName' => 'Meters per second', 'AllowPrefix' => true],'m/sec' => ['Group' => self::CATEGORY_SPEED, 'UnitName' => 'Meters per second', 'AllowPrefix' => true],'m/h' => ['Group' => self::CATEGORY_SPEED, 'UnitName' => 'Meters per hour', 'AllowPrefix' => true],'m/hr' => ['Group' => self::CATEGORY_SPEED, 'UnitName' => 'Meters per hour', 'AllowPrefix' => true],'mph' => ['Group' => self::CATEGORY_SPEED, 'UnitName' => 'Miles per hour', 'AllowPrefix' => false],'admkn' => ['Group' => self::CATEGORY_SPEED, 'UnitName' => 'Admiralty Knot', 'AllowPrefix' => false],'kn' => ['Group' => self::CATEGORY_SPEED, 'UnitName' => 'Knot', 'AllowPrefix' => false],];/*** Details of the Multiplier prefixes that can be used with Units of Measure in CONVERTUOM().** @var array<string, array{multiplier: float, name: string}>*/private static array $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 array<string, array{multiplier: float|int, name: string}>*/private static array $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 array<string, array<string, float>>*/private static array $unitConversions = [// Conversion uses gram (g) as an intermediate unitself::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 unitself::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 unitself::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 unitself::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 unitself::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 unitself::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 unitself::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 unitself::CATEGORY_MAGNETISM => ['T' => 1.0,'ga' => 10000.0,],// Conversion uses litre (l) as an intermediate unitself::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 unitself::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 unitself::CATEGORY_INFORMATION => ['bit' => 1.0,'byte' => 0.125,],// Conversion uses Meters per Second (m/s) as an intermediate unitself::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.*/public static function getConversionCategories(): array{$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*/public static function getConversionCategoryUnits(?string $category = null): array{$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*/public static function getConversionCategoryUnitDetails(?string $category = null): array{$conversionGroups = [];foreach (self::$conversionUnits as $conversionUnit => $conversionGroup) {if (($category === null) || ($conversionGroup['Group'] == $category)) {$conversionGroups[$conversionGroup['Group']][] = ['unit' => $conversionUnit,'description' => $conversionGroup['UnitName'],];}}return $conversionGroups;}/*** getConversionMultipliers* Returns an array of the Multiplier prefixes that can be used with Units of Measure in CONVERTUOM().** @return mixed[]*/public static function getConversionMultipliers(): array{return self::$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(): array{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) {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 againreturn $value / $fromMultiplier;} elseif ($fromUOM === $toUOM) {return $value / $toMultiplier;} elseif ($fromCategory === self::CATEGORY_TEMPERATURE) {return self::convertTemperature($fromUOM, $toUOM, $value);}$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($uom, 1);// Check 2-character standard metric multiplier prefixesif (isset(self::$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[$multiplierType]['multiplier']];}// Check 2-character binary multiplier prefixesif (isset(self::$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');}protected static function convertTemperature(string $fromUOM, string $toUOM, float|int $value): float|int{$fromUOM = self::resolveTemperatureSynonyms($fromUOM);$toUOM = self::resolveTemperatureSynonyms($toUOM);if ($fromUOM === $toUOM) {return $value;}// Convert to Kelvinswitch ($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 = $value * 1.25 + 273.15;break;}// Convert from Kelvinswitch ($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 $uom): string{return match ($uom) {'fah' => 'F','cel' => 'C','kel' => 'K',default => $uom,};}}