# Documentation

## Calculation in package Application

#### Constants

CALCULATION_REGEXP_CELLREF  = '((([^\\s,!&%^\\/\\*\\+<>=:`-]*)|(\'(?:[^\']|\'[^!])+?\')|(\\"(?:[^\\"]|\\"[^!])+?\\"))!)?\\\$?\\b([a-z]{1,3})\\\$?(\\d{1,7})(?![\\w.])'
CALCULATION_REGEXP_CELLREF_RELATIVE  = '((([^\\s\\(,!&%^\\/\\*\\+<>=:`-]*)|(\'(?:[^\']|\'[^!])+?\')|(\\"(?:[^\\"]|\\"[^!])+?\\"))!)?(\\\$?\\b[a-z]{1,3})(\\\$?\\d{1,7})(?![\\w.])'
CALCULATION_REGEXP_COLUMN_RANGE  = '(((([^\\s\\(,!&%^\\/\\*\\+<>=:`-]*)|(\'(?:[^\']|\'[^!])+?\')|(\\".(?:[^\\"]|\\"[^!])?\\"))!)?(\\\$?[a-z]{1,3})):(?![.*])'
CALCULATION_REGEXP_COLUMNRANGE_RELATIVE  = '(\\\$?[a-z]{1,3}):(\\\$?[a-z]{1,3})'
CALCULATION_REGEXP_DEFINEDNAME  = '((([^\\s,!&%^\\/\\*\\+<>=-]*)|(\'(?:[^\']|\'[^!])+?\')|(\\"(?:[^\\"]|\\"[^!])+?\\"))!)?([_\\p{L}][_\\p{L}\\p{N}\\.]*)'
CALCULATION_REGEXP_ERROR  = '\\#[A-Z][A-Z0_\\/]*[!\\?]?'
CALCULATION_REGEXP_FUNCTION  = '@?(?:_xlfn\\.)?(?:_xlws\\.)?([\\p{L}][\\p{L}\\p{N}\\.]*)[\\s]*\\('
CALCULATION_REGEXP_NUMBER  = '[-+]?\\d*\\.?\\d+(e[-+]?\\d+)?'
Regular Expressions
CALCULATION_REGEXP_OPENBRACE  = '\\('
CALCULATION_REGEXP_ROW_RANGE  = '(((([^\\s\\(,!&%^\\/\\*\\+<>=:`-]*)|(\'(?:[^\']|\'[^!])+?\')|(\\"(?:[^\\"]|\\"[^!])+?\\"))!)?(\\\$?[1-9][0-9]{0,6})):(?![.*])'
CALCULATION_REGEXP_ROWRANGE_RELATIVE  = '(\\\$?\\d{1,7}):(\\\$?\\d{1,7})'
CALCULATION_REGEXP_STRING  = '"(?:[^"]|"")*"'
CALCULATION_REGEXP_STRIP_XLFN_XLWS  = '/(_xlfn[.])?(_xlws[.])?(?=[\\p{L}][\\p{L}\\p{N}\\.]*[\\s]*[(])/'
CALCULATION_REGEXP_STRUCTURED_REFERENCE  = '([\\p{L}_\\\\][\\p{L}\\p{N}\\._]+)?(\\[(?:[^\\d\\]+-])?)'
FORMULA_CLOSE_FUNCTION_BRACE  = ')'
FORMULA_CLOSE_MATRIX_BRACE  = '}'
FORMULA_OPEN_FUNCTION_BRACE  = '('
FORMULA_OPEN_MATRIX_BRACE  = '{'
FORMULA_STRING_QUOTE  = '"'
RETURN_ARRAY_AS_ARRAY  = 'array'
RETURN_ARRAY_AS_ERROR  = 'error'
constants
RETURN_ARRAY_AS_VALUE  = 'value'
BINARY_OPERATORS  = ['+' => true, '-' => true, '*' => true, '/' => true, '^' => true, '&' => true, '>' => true, '<' => true, '=' => true, '>=' => true, '<=' => true, '<>' => true, '∩' => true, '∪' => true, ':' => true]
List of binary operators (those that expect two operands).
CALCULATION_OPERATORS  = ['+' => true, '-' => true, '*' => true, '/' => true, '^' => true, '&' => true, '%' => false, '~' => false, '>' => true, '<' => true, '=' => true, '>=' => true, '<=' => true, '<>' => true, '∩' => true, '∪' => true, ':' => true]
List of operators that can be used within formulae The true/false value indicates whether it is a binary operator or a unary operator.

#### Properties

\$cyclicFormulaCount  : int
Number of iterations for cyclic formulae.
\$formulaError  : string|null
Error message for any error that was raised/thrown by the calculation engine.
\$branchPruner
\$branchPruningEnabled  : bool
\$calculationCache  : array<string|int, mixed>
Calculation cache.
\$calculationCacheEnabled  : bool
Calculation cache enabled.
\$cellStack  : array<string|int, mixed>
\$comparisonOperators  : array<string|int, mixed>
Comparison (Boolean) Operators.
\$controlFunctions  : array<string|int, mixed>
Internal functions used for special control purposes.
\$cyclicFormulaCell  : string
\$cyclicFormulaCounter  : int
Current iteration counter for cyclic formulae If the value is 0 (or less) then cyclic formulae will throw an exception, otherwise they will iterate to the limit defined here before returning a result.
\$cyclicReferenceStack
An array of the nested cell references accessed by the calculation engine, used for the debug log.
\$debugLog
The debug log generated by the calculation engine.
\$excelConstants  : array<string, null|bool>
Excel constant string translations to their PHP equivalents Constant conversion from text name/value to actual (datatyped) value.
\$functionReplaceFromExcel  : array<string|int, mixed>|null
\$functionReplaceFromLocale  : array<string|int, mixed>|null
\$functionReplaceToExcel  : array<string|int, mixed>|null
\$functionReplaceToLocale  : array<string|int, mixed>|null
\$instance  : Calculation|null
Instance of this class.
\$localeArgumentSeparator  : string
Locale-specific argument separator for function arguments.
\$localeBoolean  : array<string, string>
Locale-specific translations for Excel constants (True, False and Null).
\$localeFunctions  : array<string|int, mixed>
\$localeLanguage  : string
The current locale setting.
\$operatorAssociativity  : array<string|int, mixed>
Binary Operators.
\$operatorPrecedence  : array<string|int, mixed>
Operator Precedence.
Array of functions usable on Spreadsheet.
\$referenceHelper
Reference Helper.
\$returnArrayAsType  : string
Instance of the spreadsheet this Calculation Engine is using.
\$suppressFormulaErrorsNew  : bool
\$validLocaleLanguages  : array<string|int, string>
List of available locale settings Note that this is read for the locale subdirectory only when requested.

#### Methods

__clone()  : mixed
__clone implementation. Cloning should not be allowed in a Singleton!
__construct()  : mixed
_calculateFormulaValue()  : mixed
Parse a cell formula and calculate its value.
_translateFormulaToEnglish()  : string
_translateFormulaToLocale()  : string
calculate()  : mixed
Calculate cell value (using formula from a cell ID) Retained for backward compatibility.
calculateCellValue()  : mixed
Calculate the value of a cell formula.
calculateFormula()  : mixed
Calculate the value of a formula.
clearCalculationCache()  : void
Clear calculation cache.
clearCalculationCacheForWorksheet()  : void
Clear calculation cache for a specified worksheet.
disableBranchPruning()  : void
disableCalculationCache()  : void
Disable calculation cache.
enableBranchPruning()  : void
enableCalculationCache()  : void
Enable calculation cache.
extractCellRange()  : array<string|int, mixed>
Extract range values.
extractNamedRange()  : array<string|int, mixed>|string
Extract range values.
flushInstance()  : void
Flush the calculation cache for any existing instance of this class but only if a Calculation instance exists.
getArrayReturnType()  : string
Return the Array Return Type (Array or Value of first element in the array).
getCalculationCacheEnabled()  : bool
Is calculation caching enabled?
getDebugLog()
Get the Logger for this calculation engine instance.
getExcelConstants()  : bool|null
getFALSE()  : string
Return the locale-specific translation of FALSE.
getFunctions()  : array<string|int, mixed>
Get a list of all implemented functions as an array of function objects.
getImplementedFunctionNames()  : array<string|int, mixed>
Get a list of implemented Excel function names.
getInstance()  : self
Get an instance of this class.
getLocale()  : string
Get the currently defined locale code.
getLocaleBoolean()  : string
getMatrixDimensions()  : array<string|int, int>
Read the dimensions of a matrix, and re-index it with straight numeric keys starting from row 0, column 0.
getSuppressFormulaErrors()  : bool
getTRUE()  : string
Return the locale-specific translation of TRUE.
getValueFromCache()  : bool
isImplemented()  : bool
Is a specific function implemented?
keyInExcelConstants()  : bool
localeFunc()  : string
parseFormula()  : array<string|int, mixed>|bool
Validate and parse a formula string.
renameCalculationCacheForWorksheet()  : void
Rename calculation cache for a specified worksheet.
saveValueToCache()  : void
setArrayReturnType()  : bool
Set the Array Return Type (Array or Value of first element in the array).
setBranchPruningEnabled()  : void
Enable/disable calculation cache.
setCalculationCacheEnabled()  : void
Enable/disable calculation cache.
setLocale()  : bool
Set the locale code.
setSuppressFormulaErrors()  : void
translateFormulaToEnglish()  : string
translateFormulaToLocale()  : string
translateSeparator()  : string
unwrapResult()  : mixed
Remove quotes used as a wrapper to identify string values.
wrapResult()  : mixed
Wrap string values in quotes.
raiseFormulaError()  : false
Trigger an error, but nicely, if need be.
Add cell reference if needed while making sure that it is the last argument.
boolToString()  : mixed
checkMatrixOperands()  : array<string|int, mixed>
Ensure that paired matrix operands are both matrices and of the same size.
convertMatrixReferences()  : false|string
dataTestReference()  : mixed
evaluateDefinedName()  : mixed
executeArrayComparison()  : array<string|int, mixed>
executeBinaryComparisonOperation()  : array<string|int, mixed>|bool
executeNumericBinaryOperation()  : mixed
getArgumentDefaultValue()  : mixed
getLocaleFile()  : string
internalParseFormula()  : array<int, mixed>|false
isNumericOrBool()  : bool
makeError()  : string
processTokenStack()  : array<int, mixed>|false
resizeMatricesExtend()  : void
Ensure that paired matrix operands are both matrices of the same size.
resizeMatricesShrink()  : void
Ensure that paired matrix operands are both matrices of the same size.
showTypeDetails()  : string|null
Format type and details of an operand for display in the log (based on operand type).
showValue()  : mixed
Format details of an operand for display in the log (based on operand type).
translateFormula()  : string
translateFormulaBlock()  : string
validateBinaryOperand()  : bool

### Constants

#### CALCULATION_REGEXP_CELLREF

``` public mixed CALCULATION_REGEXP_CELLREF = '((([^\\s,!&%^\\/\\*\\+<>=:`-]*)|(\'(?:[^\']|\'[^!])+?\')|(\\"(?:[^\\"]|\\"[^!])+?\\"))!)?\\\$?\\b([a-z]{1,3})\\\$?(\\d{1,7})(?![\\w.])' ```

#### CALCULATION_REGEXP_CELLREF_RELATIVE

``` public mixed CALCULATION_REGEXP_CELLREF_RELATIVE = '((([^\\s\\(,!&%^\\/\\*\\+<>=:`-]*)|(\'(?:[^\']|\'[^!])+?\')|(\\"(?:[^\\"]|\\"[^!])+?\\"))!)?(\\\$?\\b[a-z]{1,3})(\\\$?\\d{1,7})(?![\\w.])' ```

#### CALCULATION_REGEXP_COLUMN_RANGE

``` public mixed CALCULATION_REGEXP_COLUMN_RANGE = '(((([^\\s\\(,!&%^\\/\\*\\+<>=:`-]*)|(\'(?:[^\']|\'[^!])+?\')|(\\".(?:[^\\"]|\\"[^!])?\\"))!)?(\\\$?[a-z]{1,3})):(?![.*])' ```

#### CALCULATION_REGEXP_COLUMNRANGE_RELATIVE

``` public mixed CALCULATION_REGEXP_COLUMNRANGE_RELATIVE = '(\\\$?[a-z]{1,3}):(\\\$?[a-z]{1,3})' ```

#### CALCULATION_REGEXP_DEFINEDNAME

``` public mixed CALCULATION_REGEXP_DEFINEDNAME = '((([^\\s,!&%^\\/\\*\\+<>=-]*)|(\'(?:[^\']|\'[^!])+?\')|(\\"(?:[^\\"]|\\"[^!])+?\\"))!)?([_\\p{L}][_\\p{L}\\p{N}\\.]*)' ```

#### CALCULATION_REGEXP_ERROR

``` public mixed CALCULATION_REGEXP_ERROR = '\\#[A-Z][A-Z0_\\/]*[!\\?]?' ```

#### CALCULATION_REGEXP_FUNCTION

``` public mixed CALCULATION_REGEXP_FUNCTION = '@?(?:_xlfn\\.)?(?:_xlws\\.)?([\\p{L}][\\p{L}\\p{N}\\.]*)[\\s]*\\(' ```

#### CALCULATION_REGEXP_NUMBER

Regular Expressions

``` public mixed CALCULATION_REGEXP_NUMBER = '[-+]?\\d*\\.?\\d+(e[-+]?\\d+)?' ```

#### CALCULATION_REGEXP_OPENBRACE

``` public mixed CALCULATION_REGEXP_OPENBRACE = '\\(' ```

#### CALCULATION_REGEXP_ROW_RANGE

``` public mixed CALCULATION_REGEXP_ROW_RANGE = '(((([^\\s\\(,!&%^\\/\\*\\+<>=:`-]*)|(\'(?:[^\']|\'[^!])+?\')|(\\"(?:[^\\"]|\\"[^!])+?\\"))!)?(\\\$?[1-9][0-9]{0,6})):(?![.*])' ```

#### CALCULATION_REGEXP_ROWRANGE_RELATIVE

``` public mixed CALCULATION_REGEXP_ROWRANGE_RELATIVE = '(\\\$?\\d{1,7}):(\\\$?\\d{1,7})' ```

#### CALCULATION_REGEXP_STRING

``` public mixed CALCULATION_REGEXP_STRING = '"(?:[^"]|"")*"' ```

#### CALCULATION_REGEXP_STRIP_XLFN_XLWS

``` public mixed CALCULATION_REGEXP_STRIP_XLFN_XLWS = '/(_xlfn[.])?(_xlws[.])?(?=[\\p{L}][\\p{L}\\p{N}\\.]*[\\s]*[(])/' ```

#### CALCULATION_REGEXP_STRUCTURED_REFERENCE

``` public mixed CALCULATION_REGEXP_STRUCTURED_REFERENCE = '([\\p{L}_\\\\][\\p{L}\\p{N}\\._]+)?(\\[(?:[^\\d\\]+-])?)' ```

#### FORMULA_CLOSE_FUNCTION_BRACE

``` public mixed FORMULA_CLOSE_FUNCTION_BRACE = ')' ```

#### FORMULA_CLOSE_MATRIX_BRACE

``` public mixed FORMULA_CLOSE_MATRIX_BRACE = '}' ```

#### FORMULA_OPEN_FUNCTION_BRACE

``` public mixed FORMULA_OPEN_FUNCTION_BRACE = '(' ```

#### FORMULA_OPEN_MATRIX_BRACE

``` public mixed FORMULA_OPEN_MATRIX_BRACE = '{' ```

#### FORMULA_STRING_QUOTE

``` public mixed FORMULA_STRING_QUOTE = '"' ```

#### RETURN_ARRAY_AS_ARRAY

``` public mixed RETURN_ARRAY_AS_ARRAY = 'array' ```

#### RETURN_ARRAY_AS_ERROR

constants

``` public mixed RETURN_ARRAY_AS_ERROR = 'error' ```

#### RETURN_ARRAY_AS_VALUE

``` public mixed RETURN_ARRAY_AS_VALUE = 'value' ```

#### BINARY_OPERATORS

List of binary operators (those that expect two operands).

``` private mixed BINARY_OPERATORS = ['+' => true, '-' => true, '*' => true, '/' => true, '^' => true, '&' => true, '>' => true, '<' => true, '=' => true, '>=' => true, '<=' => true, '<>' => true, '∩' => true, '∪' => true, ':' => true] ```

#### CALCULATION_OPERATORS

List of operators that can be used within formulae The true/false value indicates whether it is a binary operator or a unary operator.

``` private mixed CALCULATION_OPERATORS = ['+' => true, '-' => true, '*' => true, '/' => true, '^' => true, '&' => true, '%' => false, '~' => false, '>' => true, '<' => true, '=' => true, '>=' => true, '<=' => true, '<>' => true, '∩' => true, '∪' => true, ':' => true] ```

### Properties

#### \$cyclicFormulaCount

Number of iterations for cyclic formulae.

``` public int \$cyclicFormulaCount = 1```

#### \$formulaError

Error message for any error that was raised/thrown by the calculation engine.

``` public string|null \$formulaError = null```

#### \$branchPruner

``` private BranchPruner \$branchPruner ```

#### \$branchPruningEnabled

``` private bool \$branchPruningEnabled = true```

#### \$calculationCache

Calculation cache.

``` private array<string|int, mixed> \$calculationCache = []```

#### \$calculationCacheEnabled

Calculation cache enabled.

``` private bool \$calculationCacheEnabled = true```

#### \$cellStack

``` private array<string|int, mixed> \$cellStack = []```

#### \$comparisonOperators

Comparison (Boolean) Operators.

``` private static array<string|int, mixed> \$comparisonOperators = ['>' => true, '<' => true, '=' => true, '>=' => true, '<=' => true, '<>' => true]```

These operators work on two values, but always return a boolean result.

#### \$controlFunctions

Internal functions used for special control purposes.

``` private static array<string|int, mixed> \$controlFunctions = ['MKMATRIX' => ['argumentCount' => '*', 'functionCall' => [\PhpOffice\PhpSpreadsheet\Calculation\Internal\MakeMatrix::class, 'make']], 'NAME.ERROR' => ['argumentCount' => '*', 'functionCall' => [\PhpOffice\PhpSpreadsheet\Calculation\Information\ExcelError::class, 'NAME']], 'WILDCARDMATCH' => ['argumentCount' => '2', 'functionCall' => [\PhpOffice\PhpSpreadsheet\Calculation\Internal\WildcardMatch::class, 'compare']]]```

#### \$cyclicFormulaCell

``` private string \$cyclicFormulaCell = ''```

#### \$cyclicFormulaCounter

Current iteration counter for cyclic formulae If the value is 0 (or less) then cyclic formulae will throw an exception, otherwise they will iterate to the limit defined here before returning a result.

``` private int \$cyclicFormulaCounter = 1```

#### \$cyclicReferenceStack

An array of the nested cell references accessed by the calculation engine, used for the debug log.

``` private CyclicReferenceStack \$cyclicReferenceStack ```

#### \$debugLog

The debug log generated by the calculation engine.

``` private Logger \$debugLog ```

#### \$excelConstants

Excel constant string translations to their PHP equivalents Constant conversion from text name/value to actual (datatyped) value.

``` private static array<string, null|bool> \$excelConstants = ['TRUE' => true, 'FALSE' => false, 'NULL' => null]```

#### \$functionReplaceFromExcel

``` private static array<string|int, mixed>|null \$functionReplaceFromExcel ```

#### \$functionReplaceFromLocale

``` private static array<string|int, mixed>|null \$functionReplaceFromLocale ```

#### \$functionReplaceToExcel

``` private static array<string|int, mixed>|null \$functionReplaceToExcel ```

#### \$functionReplaceToLocale

``` private static array<string|int, mixed>|null \$functionReplaceToLocale ```

#### \$instance

Instance of this class.

``` private static Calculation|null \$instance = null```

#### \$localeArgumentSeparator

Locale-specific argument separator for function arguments.

``` private static string \$localeArgumentSeparator = ','```

#### \$localeBoolean

Locale-specific translations for Excel constants (True, False and Null).

``` private static array<string, string> \$localeBoolean = ['TRUE' => 'TRUE', 'FALSE' => 'FALSE', 'NULL' => 'NULL']```

#### \$localeFunctions

``` private static array<string|int, mixed> \$localeFunctions = []```

#### \$localeLanguage

The current locale setting.

``` private static string \$localeLanguage = 'en_us'```

#### \$operatorAssociativity

Binary Operators.

``` private static array<string|int, mixed> \$operatorAssociativity = [ '^' => 0, // Exponentiation '*' => 0, '/' => 0, // Multiplication and Division '+' => 0, '-' => 0, // Addition and Subtraction '&' => 0, // Concatenation '∪' => 0, '∩' => 0, ':' => 0, // Union, Intersect and Range '>' => 0, '<' => 0, '=' => 0, '>=' => 0, '<=' => 0, '<>' => 0, ]```

These operators always work on two values. Array key is the operator, the value indicates whether this is a left or right associative operator.

#### \$operatorPrecedence

Operator Precedence.

``` private static array<string|int, mixed> \$operatorPrecedence = [ ':' => 9, // Range '∩' => 8, // Intersect '∪' => 7, // Union '~' => 6, // Negation '%' => 5, // Percentage '^' => 4, // Exponentiation '*' => 3, '/' => 3, // Multiplication and Division '+' => 2, '-' => 2, // Addition and Subtraction '&' => 1, // Concatenation '>' => 0, '<' => 0, '=' => 0, '>=' => 0, '<=' => 0, '<>' => 0, ]```

This list includes all valid operators, whether binary (including boolean) or unary (such as %). Array key is the operator, the value is its precedence.

Array of functions usable on Spreadsheet.

``` private static array<string|int, mixed> \$phpSpreadsheetFunctions = ['ABS' => ['category' => \PhpOffice\PhpSpreadsheet\Calculation\Category::CATEGORY_MATH_AND_TRIG, 'functionCall' => [\PhpOffice\PhpSpreadsheet\Calculation\MathTrig\Absolute::class, 'evaluate'], 'argumentCount' => '1'], 'ACCRINT' => ['category' => \PhpOffice\PhpSpreadsheet\Calculation\Category::CATEGORY_FINANCIAL, 'functionCall' => [\PhpOffice\PhpSpreadsheet\Calculation\Financial\Securities\AccruedInterest::class, 'periodic'], 'argumentCount' => '4-8'], 'ACCRINTM' => ['category' => \PhpOffice\PhpSpreadsheet\Calculation\Category::CATEGORY_FINANCIAL, 'functionCall' => [\PhpOffice\PhpSpreadsheet\Calculation\Financial\Securities\AccruedInterest::class, 'atMaturity'], 'argumentCount' => '3-5'], 'ACOS' => ['category' => \PhpOffice\PhpSpreadsheet\Calculation\Category::CATEGORY_MATH_AND_TRIG, 'functionCall' => [\PhpOffice\PhpSpreadsheet\Calculation\MathTrig\Trig\Cosine::class, 'acos'], 'argumentCount' => '1'], 'ACOSH' => ['category' => \PhpOffice\PhpSpreadsheet\Calculation\Category::CATEGORY_MATH_AND_TRIG, 'functionCall' => [\PhpOffice\PhpSpreadsheet\Calculation\MathTrig\Trig\Cosine::class, 'acosh'], 'argumentCount' => '1'], 'ACOT' => ['category' => \PhpOffice\PhpSpreadsheet\Calculation\Category::CATEGORY_MATH_AND_TRIG, 'functionCall' => [\PhpOffice\PhpSpreadsheet\Calculation\MathTrig\Trig\Cotangent::class, 'acot'], 'argumentCount' => '1'], 'ACOTH' => ['category' => \PhpOffice\PhpSpreadsheet\Calculation\Category::CATEGORY_MATH_AND_TRIG, 'functionCall' => [\PhpOffice\PhpSpreadsheet\Calculation\MathTrig\Trig\Cotangent::class, 'acoth'], 'argumentCount' => '1'], 'ADDRESS' => ['category' => \PhpOffice\PhpSpreadsheet\Calculation\Category::CATEGORY_LOOKUP_AND_REFERENCE, 'functionCall' => [\PhpOffice\PhpSpreadsheet\Calculation\LookupRef\Address::class, 'cell'], 'argumentCount' => '2-5'], 'AGGREGATE' => ['category' => \PhpOffice\PhpSpreadsheet\Calculation\Category::CATEGORY_MATH_AND_TRIG, 'functionCall' => [\PhpOffice\PhpSpreadsheet\Calculation\Functions::class, 'DUMMY'], 'argumentCount' => '3+'], 'AMORDEGRC' => ['category' => \PhpOffice\PhpSpreadsheet\Calculation\Category::CATEGORY_FINANCIAL, 'functionCall' => [\PhpOffice\PhpSpreadsheet\Calculation\Financial\Amortization::class, 'AMORDEGRC'], 'argumentCount' => '6,7'], 'AMORLINC' => ['category' => \PhpOffice\PhpSpreadsheet\Calculation\Category::CATEGORY_FINANCIAL, 'functionCall' => [\PhpOffice\PhpSpreadsheet\Calculation\Financial\Amortization::class, 'AMORLINC'], 'argumentCount' => '6,7'], 'ANCHORARRAY' => ['category' => \PhpOffice\PhpSpreadsheet\Calculation\Category::CATEGORY_UNCATEGORISED, 'functionCall' => [\PhpOffice\PhpSpreadsheet\Calculation\Functions::class, 'DUMMY'], 'argumentCount' => '*'], 'AND' => ['category' => \PhpOffice\PhpSpreadsheet\Calculation\Category::CATEGORY_LOGICAL, 'functionCall' => [\PhpOffice\PhpSpreadsheet\Calculation\Logical\Operations::class, 'logicalAnd'], 'argumentCount' => '1+'], 'ARABIC' => ['category' => \PhpOffice\PhpSpreadsheet\Calculation\Category::CATEGORY_MATH_AND_TRIG, 'functionCall' => [\PhpOffice\PhpSpreadsheet\Calculation\MathTrig\Arabic::class, 'evaluate'], 'argumentCount' => '1'], 'AREAS' => ['category' => \PhpOffice\PhpSpreadsheet\Calculation\Category::CATEGORY_LOOKUP_AND_REFERENCE, 'functionCall' => [\PhpOffice\PhpSpreadsheet\Calculation\Functions::class, 'DUMMY'], 'argumentCount' => '1'], 'ARRAYTOTEXT' => ['category' => \PhpOffice\PhpSpreadsheet\Calculation\Category::CATEGORY_TEXT_AND_DATA, 'functionCall' => [\PhpOffice\PhpSpreadsheet\Calculation\TextData\Text::class, 'fromArray'], 'argumentCount' => '1,2'], 'ASC' => ['category' => \PhpOffice\PhpSpreadsheet\Calculation\Category::CATEGORY_TEXT_AND_DATA, 'functionCall' => [\PhpOffice\PhpSpreadsheet\Calculation\Functions::class, 'DUMMY'], 'argumentCount' => '1'], 'ASIN' => ['category' => \PhpOffice\PhpSpreadsheet\Calculation\Category::CATEGORY_MATH_AND_TRIG, 'functionCall' => [\PhpOffice\PhpSpreadsheet\Calculation\MathTrig\Trig\Sine::class, 'asin'], 'argumentCount' => '1'], 'ASINH' => ['category' => \PhpOffice\PhpSpreadsheet\Calculation\Category::CATEGORY_MATH_AND_TRIG, 'functionCall' => [\PhpOffice\PhpSpreadsheet\Calculation\MathTrig\Trig\Sine::class, 'asinh'], 'argumentCount' => '1'], 'ATAN' => ['category' => \PhpOffice\PhpSpreadsheet\Calculation\Category::CATEGORY_MATH_AND_TRIG, 'functionCall' => [\PhpOffice\PhpSpreadsheet\Calculation\MathTrig\Trig\Tangent::class, 'atan'], 'argumentCount' => '1'], 'ATAN2' => ['category' => \PhpOffice\PhpSpreadsheet\Calculation\Category::CATEGORY_MATH_AND_TRIG, 'functionCall' => [\PhpOffice\PhpSpreadsheet\Calculation\MathTrig\Trig\Tangent::class, 'atan2'], 'argumentCount' => '2'], 'ATANH' => ['category' => \PhpOffice\PhpSpreadsheet\Calculation\Category::CATEGORY_MATH_AND_TRIG, 'functionCall' => [\PhpOffice\PhpSpreadsheet\Calculation\MathTrig\Trig\Tangent::class, 'atanh'], 'argumentCount' => '1'], 'AVEDEV' => ['category' 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=> [\PhpOffice\PhpSpreadsheet\Calculation\LookupRef\Indirect::class, 'INDIRECT'], 'argumentCount' => '1,2', 'passCellReference' => true], 'INFO' => ['category' => \PhpOffice\PhpSpreadsheet\Calculation\Category::CATEGORY_INFORMATION, 'functionCall' => [\PhpOffice\PhpSpreadsheet\Calculation\Functions::class, 'DUMMY'], 'argumentCount' => '1'], 'INT' => ['category' => \PhpOffice\PhpSpreadsheet\Calculation\Category::CATEGORY_MATH_AND_TRIG, 'functionCall' => [\PhpOffice\PhpSpreadsheet\Calculation\MathTrig\IntClass::class, 'evaluate'], 'argumentCount' => '1'], 'INTERCEPT' => ['category' => \PhpOffice\PhpSpreadsheet\Calculation\Category::CATEGORY_STATISTICAL, 'functionCall' => [\PhpOffice\PhpSpreadsheet\Calculation\Statistical\Trends::class, 'INTERCEPT'], 'argumentCount' => '2'], 'INTRATE' => ['category' => \PhpOffice\PhpSpreadsheet\Calculation\Category::CATEGORY_FINANCIAL, 'functionCall' => [\PhpOffice\PhpSpreadsheet\Calculation\Financial\Securities\Rates::class, 'interest'], 'argumentCount' => '4,5'], 'IPMT' => ['category' => \PhpOffice\PhpSpreadsheet\Calculation\Category::CATEGORY_FINANCIAL, 'functionCall' => [\PhpOffice\PhpSpreadsheet\Calculation\Financial\CashFlow\Constant\Periodic\Interest::class, 'payment'], 'argumentCount' => '4-6'], 'IRR' => ['category' => \PhpOffice\PhpSpreadsheet\Calculation\Category::CATEGORY_FINANCIAL, 'functionCall' => [\PhpOffice\PhpSpreadsheet\Calculation\Financial\CashFlow\Variable\Periodic::class, 'rate'], 'argumentCount' => '1,2'], 'ISBLANK' => ['category' => \PhpOffice\PhpSpreadsheet\Calculation\Category::CATEGORY_INFORMATION, 'functionCall' => [\PhpOffice\PhpSpreadsheet\Calculation\Information\Value::class, 'isBlank'], 'argumentCount' => '1'], 'ISERR' => ['category' => \PhpOffice\PhpSpreadsheet\Calculation\Category::CATEGORY_INFORMATION, 'functionCall' => [\PhpOffice\PhpSpreadsheet\Calculation\Information\ErrorValue::class, 'isErr'], 'argumentCount' => '1'], 'ISERROR' => ['category' => 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[\PhpOffice\PhpSpreadsheet\Calculation\Information\Value::class, 'isOdd'], 'argumentCount' => '1'], 'ISOMITTED' => ['category' => \PhpOffice\PhpSpreadsheet\Calculation\Category::CATEGORY_INFORMATION, 'functionCall' => [\PhpOffice\PhpSpreadsheet\Calculation\Functions::class, 'DUMMY'], 'argumentCount' => '*'], 'ISOWEEKNUM' => ['category' => \PhpOffice\PhpSpreadsheet\Calculation\Category::CATEGORY_DATE_AND_TIME, 'functionCall' => [\PhpOffice\PhpSpreadsheet\Calculation\DateTimeExcel\Week::class, 'isoWeekNumber'], 'argumentCount' => '1'], 'ISPMT' => ['category' => \PhpOffice\PhpSpreadsheet\Calculation\Category::CATEGORY_FINANCIAL, 'functionCall' => [\PhpOffice\PhpSpreadsheet\Calculation\Financial\CashFlow\Constant\Periodic\Interest::class, 'schedulePayment'], 'argumentCount' => '4'], 'ISREF' => ['category' => \PhpOffice\PhpSpreadsheet\Calculation\Category::CATEGORY_INFORMATION, 'functionCall' => [\PhpOffice\PhpSpreadsheet\Calculation\Information\Value::class, 'isRef'], 'argumentCount' => '1', 'passCellReference' => true, 'passByReference' => [true]], 'ISTEXT' => ['category' => \PhpOffice\PhpSpreadsheet\Calculation\Category::CATEGORY_INFORMATION, 'functionCall' => [\PhpOffice\PhpSpreadsheet\Calculation\Information\Value::class, 'isText'], 'argumentCount' => '1'], 'ISTHAIDIGIT' => ['category' => \PhpOffice\PhpSpreadsheet\Calculation\Category::CATEGORY_TEXT_AND_DATA, 'functionCall' => [\PhpOffice\PhpSpreadsheet\Calculation\Functions::class, 'DUMMY'], 'argumentCount' => '?'], 'JIS' => ['category' => \PhpOffice\PhpSpreadsheet\Calculation\Category::CATEGORY_TEXT_AND_DATA, 'functionCall' => [\PhpOffice\PhpSpreadsheet\Calculation\Functions::class, 'DUMMY'], 'argumentCount' => '1'], 'KURT' => ['category' => \PhpOffice\PhpSpreadsheet\Calculation\Category::CATEGORY_STATISTICAL, 'functionCall' => [\PhpOffice\PhpSpreadsheet\Calculation\Statistical\Deviations::class, 'kurtosis'], 'argumentCount' => '1+'], 'LAMBDA' => ['category' => \PhpOffice\PhpSpreadsheet\Calculation\Category::CATEGORY_LOGICAL, 'functionCall' => [\PhpOffice\PhpSpreadsheet\Calculation\Functions::class, 'DUMMY'], 'argumentCount' => '*'], 'LARGE' => ['category' => \PhpOffice\PhpSpreadsheet\Calculation\Category::CATEGORY_STATISTICAL, 'functionCall' => [\PhpOffice\PhpSpreadsheet\Calculation\Statistical\Size::class, 'large'], 'argumentCount' => '2'], 'LCM' => ['category' => \PhpOffice\PhpSpreadsheet\Calculation\Category::CATEGORY_MATH_AND_TRIG, 'functionCall' => [\PhpOffice\PhpSpreadsheet\Calculation\MathTrig\Lcm::class, 'evaluate'], 'argumentCount' => '1+'], 'LEFT' => ['category' => \PhpOffice\PhpSpreadsheet\Calculation\Category::CATEGORY_TEXT_AND_DATA, 'functionCall' => [\PhpOffice\PhpSpreadsheet\Calculation\TextData\Extract::class, 'left'], 'argumentCount' => '1,2'], 'LEFTB' => ['category' => \PhpOffice\PhpSpreadsheet\Calculation\Category::CATEGORY_TEXT_AND_DATA, 'functionCall' => [\PhpOffice\PhpSpreadsheet\Calculation\TextData\Extract::class, 'left'], 'argumentCount' => '1,2'], 'LEN' => ['category' => \PhpOffice\PhpSpreadsheet\Calculation\Category::CATEGORY_TEXT_AND_DATA, 'functionCall' => [\PhpOffice\PhpSpreadsheet\Calculation\TextData\Text::class, 'length'], 'argumentCount' => '1'], 'LENB' => ['category' => \PhpOffice\PhpSpreadsheet\Calculation\Category::CATEGORY_TEXT_AND_DATA, 'functionCall' => [\PhpOffice\PhpSpreadsheet\Calculation\TextData\Text::class, 'length'], 'argumentCount' => '1'], 'LET' => ['category' => \PhpOffice\PhpSpreadsheet\Calculation\Category::CATEGORY_LOGICAL, 'functionCall' => [\PhpOffice\PhpSpreadsheet\Calculation\Functions::class, 'DUMMY'], 'argumentCount' => '*'], 'LINEST' => ['category' => \PhpOffice\PhpSpreadsheet\Calculation\Category::CATEGORY_STATISTICAL, 'functionCall' => [\PhpOffice\PhpSpreadsheet\Calculation\Statistical\Trends::class, 'LINEST'], 'argumentCount' => '1-4'], 'LN' => ['category' => \PhpOffice\PhpSpreadsheet\Calculation\Category::CATEGORY_MATH_AND_TRIG, 'functionCall' => [\PhpOffice\PhpSpreadsheet\Calculation\MathTrig\Logarithms::class, 'natural'], 'argumentCount' => '1'], 'LOG' => ['category' => \PhpOffice\PhpSpreadsheet\Calculation\Category::CATEGORY_MATH_AND_TRIG, 'functionCall' => [\PhpOffice\PhpSpreadsheet\Calculation\MathTrig\Logarithms::class, 'withBase'], 'argumentCount' => '1,2'], 'LOG10' => ['category' => \PhpOffice\PhpSpreadsheet\Calculation\Category::CATEGORY_MATH_AND_TRIG, 'functionCall' => [\PhpOffice\PhpSpreadsheet\Calculation\MathTrig\Logarithms::class, 'base10'], 'argumentCount' => '1'], 'LOGEST' => ['category' => \PhpOffice\PhpSpreadsheet\Calculation\Category::CATEGORY_STATISTICAL, 'functionCall' => [\PhpOffice\PhpSpreadsheet\Calculation\Statistical\Trends::class, 'LOGEST'], 'argumentCount' => '1-4'], 'LOGINV' => ['category' => \PhpOffice\PhpSpreadsheet\Calculation\Category::CATEGORY_STATISTICAL, 'functionCall' => [\PhpOffice\PhpSpreadsheet\Calculation\Statistical\Distributions\LogNormal::class, 'inverse'], 'argumentCount' => '3'], 'LOGNORMDIST' => ['category' => \PhpOffice\PhpSpreadsheet\Calculation\Category::CATEGORY_STATISTICAL, 'functionCall' => [\PhpOffice\PhpSpreadsheet\Calculation\Statistical\Distributions\LogNormal::class, 'cumulative'], 'argumentCount' => '3'], 'LOGNORM.DIST' => ['category' => \PhpOffice\PhpSpreadsheet\Calculation\Category::CATEGORY_STATISTICAL, 'functionCall' => [\PhpOffice\PhpSpreadsheet\Calculation\Statistical\Distributions\LogNormal::class, 'distribution'], 'argumentCount' => '4'], 'LOGNORM.INV' => ['category' => \PhpOffice\PhpSpreadsheet\Calculation\Category::CATEGORY_STATISTICAL, 'functionCall' => [\PhpOffice\PhpSpreadsheet\Calculation\Statistical\Distributions\LogNormal::class, 'inverse'], 'argumentCount' => '3'], 'LOOKUP' => ['category' => \PhpOffice\PhpSpreadsheet\Calculation\Category::CATEGORY_LOOKUP_AND_REFERENCE, 'functionCall' => [\PhpOffice\PhpSpreadsheet\Calculation\LookupRef\Lookup::class, 'lookup'], 'argumentCount' => '2,3'], 'LOWER' => ['category' => 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[\PhpOffice\PhpSpreadsheet\Calculation\Statistical\Maximum::class, 'max'], 'argumentCount' => '1+'], 'MAXA' => ['category' => \PhpOffice\PhpSpreadsheet\Calculation\Category::CATEGORY_STATISTICAL, 'functionCall' => [\PhpOffice\PhpSpreadsheet\Calculation\Statistical\Maximum::class, 'maxA'], 'argumentCount' => '1+'], 'MAXIFS' => ['category' => \PhpOffice\PhpSpreadsheet\Calculation\Category::CATEGORY_STATISTICAL, 'functionCall' => [\PhpOffice\PhpSpreadsheet\Calculation\Statistical\Conditional::class, 'MAXIFS'], 'argumentCount' => '3+'], 'MDETERM' => ['category' => \PhpOffice\PhpSpreadsheet\Calculation\Category::CATEGORY_MATH_AND_TRIG, 'functionCall' => [\PhpOffice\PhpSpreadsheet\Calculation\MathTrig\MatrixFunctions::class, 'determinant'], 'argumentCount' => '1'], 'MDURATION' => ['category' => \PhpOffice\PhpSpreadsheet\Calculation\Category::CATEGORY_FINANCIAL, 'functionCall' => [\PhpOffice\PhpSpreadsheet\Calculation\Functions::class, 'DUMMY'], 'argumentCount' => '5,6'], 'MEDIAN' => 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[\PhpOffice\PhpSpreadsheet\Calculation\Statistical\Minimum::class, 'min'], 'argumentCount' => '1+'], 'MINA' => ['category' => \PhpOffice\PhpSpreadsheet\Calculation\Category::CATEGORY_STATISTICAL, 'functionCall' => [\PhpOffice\PhpSpreadsheet\Calculation\Statistical\Minimum::class, 'minA'], 'argumentCount' => '1+'], 'MINIFS' => ['category' => \PhpOffice\PhpSpreadsheet\Calculation\Category::CATEGORY_STATISTICAL, 'functionCall' => [\PhpOffice\PhpSpreadsheet\Calculation\Statistical\Conditional::class, 'MINIFS'], 'argumentCount' => '3+'], 'MINUTE' => ['category' => \PhpOffice\PhpSpreadsheet\Calculation\Category::CATEGORY_DATE_AND_TIME, 'functionCall' => [\PhpOffice\PhpSpreadsheet\Calculation\DateTimeExcel\TimeParts::class, 'minute'], 'argumentCount' => '1'], 'MINVERSE' => ['category' => \PhpOffice\PhpSpreadsheet\Calculation\Category::CATEGORY_MATH_AND_TRIG, 'functionCall' => [\PhpOffice\PhpSpreadsheet\Calculation\MathTrig\MatrixFunctions::class, 'inverse'], 'argumentCount' => '1'], 'MIRR' => 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=> [\PhpOffice\PhpSpreadsheet\Calculation\Functions::class, 'DUMMY'], 'argumentCount' => '4'], 'NETWORKDAYS' => ['category' => \PhpOffice\PhpSpreadsheet\Calculation\Category::CATEGORY_DATE_AND_TIME, 'functionCall' => [\PhpOffice\PhpSpreadsheet\Calculation\DateTimeExcel\NetworkDays::class, 'count'], 'argumentCount' => '2-3'], 'NETWORKDAYS.INTL' => ['category' => \PhpOffice\PhpSpreadsheet\Calculation\Category::CATEGORY_DATE_AND_TIME, 'functionCall' => [\PhpOffice\PhpSpreadsheet\Calculation\Functions::class, 'DUMMY'], 'argumentCount' => '2-4'], 'NOMINAL' => ['category' => \PhpOffice\PhpSpreadsheet\Calculation\Category::CATEGORY_FINANCIAL, 'functionCall' => [\PhpOffice\PhpSpreadsheet\Calculation\Financial\InterestRate::class, 'nominal'], 'argumentCount' => '2'], 'NORMDIST' => ['category' => \PhpOffice\PhpSpreadsheet\Calculation\Category::CATEGORY_STATISTICAL, 'functionCall' => [\PhpOffice\PhpSpreadsheet\Calculation\Statistical\Distributions\Normal::class, 'distribution'], 'argumentCount' => '4'], 'NORM.DIST' => ['category' => \PhpOffice\PhpSpreadsheet\Calculation\Category::CATEGORY_STATISTICAL, 'functionCall' => [\PhpOffice\PhpSpreadsheet\Calculation\Statistical\Distributions\Normal::class, 'distribution'], 'argumentCount' => '4'], 'NORMINV' => ['category' => \PhpOffice\PhpSpreadsheet\Calculation\Category::CATEGORY_STATISTICAL, 'functionCall' => [\PhpOffice\PhpSpreadsheet\Calculation\Statistical\Distributions\Normal::class, 'inverse'], 'argumentCount' => '3'], 'NORM.INV' => ['category' => \PhpOffice\PhpSpreadsheet\Calculation\Category::CATEGORY_STATISTICAL, 'functionCall' => [\PhpOffice\PhpSpreadsheet\Calculation\Statistical\Distributions\Normal::class, 'inverse'], 'argumentCount' => '3'], 'NORMSDIST' => ['category' => \PhpOffice\PhpSpreadsheet\Calculation\Category::CATEGORY_STATISTICAL, 'functionCall' => [\PhpOffice\PhpSpreadsheet\Calculation\Statistical\Distributions\StandardNormal::class, 'cumulative'], 'argumentCount' => '1'], 'NORM.S.DIST' => ['category' => 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\PhpOffice\PhpSpreadsheet\Calculation\Category::CATEGORY_DATE_AND_TIME, 'functionCall' => [\PhpOffice\PhpSpreadsheet\Calculation\DateTimeExcel\Current::class, 'now'], 'argumentCount' => '0'], 'NPER' => ['category' => \PhpOffice\PhpSpreadsheet\Calculation\Category::CATEGORY_FINANCIAL, 'functionCall' => [\PhpOffice\PhpSpreadsheet\Calculation\Financial\CashFlow\Constant\Periodic::class, 'periods'], 'argumentCount' => '3-5'], 'NPV' => ['category' => \PhpOffice\PhpSpreadsheet\Calculation\Category::CATEGORY_FINANCIAL, 'functionCall' => [\PhpOffice\PhpSpreadsheet\Calculation\Financial\CashFlow\Variable\Periodic::class, 'presentValue'], 'argumentCount' => '2+'], 'NUMBERSTRING' => ['category' => \PhpOffice\PhpSpreadsheet\Calculation\Category::CATEGORY_TEXT_AND_DATA, 'functionCall' => [\PhpOffice\PhpSpreadsheet\Calculation\Functions::class, 'DUMMY'], 'argumentCount' => '?'], 'NUMBERVALUE' => ['category' => \PhpOffice\PhpSpreadsheet\Calculation\Category::CATEGORY_TEXT_AND_DATA, 'functionCall' => [\PhpOffice\PhpSpreadsheet\Calculation\TextData\Format::class, 'NUMBERVALUE'], 'argumentCount' => '1+'], 'OCT2BIN' => ['category' => \PhpOffice\PhpSpreadsheet\Calculation\Category::CATEGORY_ENGINEERING, 'functionCall' => [\PhpOffice\PhpSpreadsheet\Calculation\Engineering\ConvertOctal::class, 'toBinary'], 'argumentCount' => '1,2'], 'OCT2DEC' => ['category' => \PhpOffice\PhpSpreadsheet\Calculation\Category::CATEGORY_ENGINEERING, 'functionCall' => [\PhpOffice\PhpSpreadsheet\Calculation\Engineering\ConvertOctal::class, 'toDecimal'], 'argumentCount' => '1'], 'OCT2HEX' => ['category' => \PhpOffice\PhpSpreadsheet\Calculation\Category::CATEGORY_ENGINEERING, 'functionCall' => [\PhpOffice\PhpSpreadsheet\Calculation\Engineering\ConvertOctal::class, 'toHex'], 'argumentCount' => '1,2'], 'ODD' => ['category' => \PhpOffice\PhpSpreadsheet\Calculation\Category::CATEGORY_MATH_AND_TRIG, 'functionCall' => [\PhpOffice\PhpSpreadsheet\Calculation\MathTrig\Round::class, 'odd'], 'argumentCount' => '1'], 'ODDFPRICE' => ['category' => \PhpOffice\PhpSpreadsheet\Calculation\Category::CATEGORY_FINANCIAL, 'functionCall' => [\PhpOffice\PhpSpreadsheet\Calculation\Functions::class, 'DUMMY'], 'argumentCount' => '8,9'], 'ODDFYIELD' => ['category' => \PhpOffice\PhpSpreadsheet\Calculation\Category::CATEGORY_FINANCIAL, 'functionCall' => [\PhpOffice\PhpSpreadsheet\Calculation\Functions::class, 'DUMMY'], 'argumentCount' => '8,9'], 'ODDLPRICE' => ['category' => \PhpOffice\PhpSpreadsheet\Calculation\Category::CATEGORY_FINANCIAL, 'functionCall' => [\PhpOffice\PhpSpreadsheet\Calculation\Functions::class, 'DUMMY'], 'argumentCount' => '7,8'], 'ODDLYIELD' => ['category' => \PhpOffice\PhpSpreadsheet\Calculation\Category::CATEGORY_FINANCIAL, 'functionCall' => [\PhpOffice\PhpSpreadsheet\Calculation\Functions::class, 'DUMMY'], 'argumentCount' => '7,8'], 'OFFSET' => ['category' => \PhpOffice\PhpSpreadsheet\Calculation\Category::CATEGORY_LOOKUP_AND_REFERENCE, 'functionCall' => [\PhpOffice\PhpSpreadsheet\Calculation\LookupRef\Offset::class, 'OFFSET'], 'argumentCount' => '3-5', 'passCellReference' => true, 'passByReference' => [true]], 'OR' => ['category' => \PhpOffice\PhpSpreadsheet\Calculation\Category::CATEGORY_LOGICAL, 'functionCall' => [\PhpOffice\PhpSpreadsheet\Calculation\Logical\Operations::class, 'logicalOr'], 'argumentCount' => '1+'], 'PDURATION' => ['category' => \PhpOffice\PhpSpreadsheet\Calculation\Category::CATEGORY_FINANCIAL, 'functionCall' => [\PhpOffice\PhpSpreadsheet\Calculation\Financial\CashFlow\Single::class, 'periods'], 'argumentCount' => '3'], 'PEARSON' => ['category' => \PhpOffice\PhpSpreadsheet\Calculation\Category::CATEGORY_STATISTICAL, 'functionCall' => [\PhpOffice\PhpSpreadsheet\Calculation\Statistical\Trends::class, 'CORREL'], 'argumentCount' => '2'], 'PERCENTILE' => ['category' => \PhpOffice\PhpSpreadsheet\Calculation\Category::CATEGORY_STATISTICAL, 'functionCall' => [\PhpOffice\PhpSpreadsheet\Calculation\Statistical\Percentiles::class, 'PERCENTILE'], 'argumentCount' => '2'], 'PERCENTILE.EXC' => ['category' => \PhpOffice\PhpSpreadsheet\Calculation\Category::CATEGORY_STATISTICAL, 'functionCall' => [\PhpOffice\PhpSpreadsheet\Calculation\Functions::class, 'DUMMY'], 'argumentCount' => '2'], 'PERCENTILE.INC' => ['category' => \PhpOffice\PhpSpreadsheet\Calculation\Category::CATEGORY_STATISTICAL, 'functionCall' => [\PhpOffice\PhpSpreadsheet\Calculation\Statistical\Percentiles::class, 'PERCENTILE'], 'argumentCount' => '2'], 'PERCENTRANK' => ['category' => \PhpOffice\PhpSpreadsheet\Calculation\Category::CATEGORY_STATISTICAL, 'functionCall' => [\PhpOffice\PhpSpreadsheet\Calculation\Statistical\Percentiles::class, 'PERCENTRANK'], 'argumentCount' => '2,3'], 'PERCENTRANK.EXC' => ['category' => \PhpOffice\PhpSpreadsheet\Calculation\Category::CATEGORY_STATISTICAL, 'functionCall' => [\PhpOffice\PhpSpreadsheet\Calculation\Functions::class, 'DUMMY'], 'argumentCount' => '2,3'], 'PERCENTRANK.INC' => ['category' => \PhpOffice\PhpSpreadsheet\Calculation\Category::CATEGORY_STATISTICAL, 'functionCall' => [\PhpOffice\PhpSpreadsheet\Calculation\Statistical\Percentiles::class, 'PERCENTRANK'], 'argumentCount' => '2,3'], 'PERMUT' => ['category' => \PhpOffice\PhpSpreadsheet\Calculation\Category::CATEGORY_STATISTICAL, 'functionCall' => [\PhpOffice\PhpSpreadsheet\Calculation\Statistical\Permutations::class, 'PERMUT'], 'argumentCount' => '2'], 'PERMUTATIONA' => ['category' => \PhpOffice\PhpSpreadsheet\Calculation\Category::CATEGORY_STATISTICAL, 'functionCall' => [\PhpOffice\PhpSpreadsheet\Calculation\Statistical\Permutations::class, 'PERMUTATIONA'], 'argumentCount' => '2'], 'PHONETIC' => ['category' => \PhpOffice\PhpSpreadsheet\Calculation\Category::CATEGORY_TEXT_AND_DATA, 'functionCall' => [\PhpOffice\PhpSpreadsheet\Calculation\Functions::class, 'DUMMY'], 'argumentCount' => '1'], 'PHI' => ['category' => \PhpOffice\PhpSpreadsheet\Calculation\Category::CATEGORY_STATISTICAL, 'functionCall' => [\PhpOffice\PhpSpreadsheet\Calculation\Functions::class, 'DUMMY'], 'argumentCount' => '1'], 'PI' => ['category' => \PhpOffice\PhpSpreadsheet\Calculation\Category::CATEGORY_MATH_AND_TRIG, 'functionCall' => 'pi', 'argumentCount' => '0'], 'PMT' => ['category' => \PhpOffice\PhpSpreadsheet\Calculation\Category::CATEGORY_FINANCIAL, 'functionCall' => [\PhpOffice\PhpSpreadsheet\Calculation\Financial\CashFlow\Constant\Periodic\Payments::class, 'annuity'], 'argumentCount' => '3-5'], 'POISSON' => ['category' => \PhpOffice\PhpSpreadsheet\Calculation\Category::CATEGORY_STATISTICAL, 'functionCall' => [\PhpOffice\PhpSpreadsheet\Calculation\Statistical\Distributions\Poisson::class, 'distribution'], 'argumentCount' => '3'], 'POISSON.DIST' => ['category' => \PhpOffice\PhpSpreadsheet\Calculation\Category::CATEGORY_STATISTICAL, 'functionCall' => [\PhpOffice\PhpSpreadsheet\Calculation\Statistical\Distributions\Poisson::class, 'distribution'], 'argumentCount' => '3'], 'POWER' => ['category' => \PhpOffice\PhpSpreadsheet\Calculation\Category::CATEGORY_MATH_AND_TRIG, 'functionCall' => [\PhpOffice\PhpSpreadsheet\Calculation\MathTrig\Operations::class, 'power'], 'argumentCount' => '2'], 'PPMT' => ['category' => \PhpOffice\PhpSpreadsheet\Calculation\Category::CATEGORY_FINANCIAL, 'functionCall' => [\PhpOffice\PhpSpreadsheet\Calculation\Financial\CashFlow\Constant\Periodic\Payments::class, 'interestPayment'], 'argumentCount' => '4-6'], 'PRICE' => ['category' => \PhpOffice\PhpSpreadsheet\Calculation\Category::CATEGORY_FINANCIAL, 'functionCall' => [\PhpOffice\PhpSpreadsheet\Calculation\Financial\Securities\Price::class, 'price'], 'argumentCount' => '6,7'], 'PRICEDISC' => ['category' => \PhpOffice\PhpSpreadsheet\Calculation\Category::CATEGORY_FINANCIAL, 'functionCall' => [\PhpOffice\PhpSpreadsheet\Calculation\Financial\Securities\Price::class, 'priceDiscounted'], 'argumentCount' => '4,5'], 'PRICEMAT' => ['category' => \PhpOffice\PhpSpreadsheet\Calculation\Category::CATEGORY_FINANCIAL, 'functionCall' => [\PhpOffice\PhpSpreadsheet\Calculation\Financial\Securities\Price::class, 'priceAtMaturity'], 'argumentCount' => '5,6'], 'PROB' => ['category' => \PhpOffice\PhpSpreadsheet\Calculation\Category::CATEGORY_STATISTICAL, 'functionCall' => [\PhpOffice\PhpSpreadsheet\Calculation\Functions::class, 'DUMMY'], 'argumentCount' => '3,4'], 'PRODUCT' => ['category' => \PhpOffice\PhpSpreadsheet\Calculation\Category::CATEGORY_MATH_AND_TRIG, 'functionCall' => [\PhpOffice\PhpSpreadsheet\Calculation\MathTrig\Operations::class, 'product'], 'argumentCount' => '1+'], 'PROPER' => ['category' => \PhpOffice\PhpSpreadsheet\Calculation\Category::CATEGORY_TEXT_AND_DATA, 'functionCall' => [\PhpOffice\PhpSpreadsheet\Calculation\TextData\CaseConvert::class, 'proper'], 'argumentCount' => '1'], 'PV' => ['category' => \PhpOffice\PhpSpreadsheet\Calculation\Category::CATEGORY_FINANCIAL, 'functionCall' => [\PhpOffice\PhpSpreadsheet\Calculation\Financial\CashFlow\Constant\Periodic::class, 'presentValue'], 'argumentCount' => '3-5'], 'QUARTILE' => ['category' => \PhpOffice\PhpSpreadsheet\Calculation\Category::CATEGORY_STATISTICAL, 'functionCall' => [\PhpOffice\PhpSpreadsheet\Calculation\Statistical\Percentiles::class, 'QUARTILE'], 'argumentCount' => '2'], 'QUARTILE.EXC' => ['category' => \PhpOffice\PhpSpreadsheet\Calculation\Category::CATEGORY_STATISTICAL, 'functionCall' => [\PhpOffice\PhpSpreadsheet\Calculation\Functions::class, 'DUMMY'], 'argumentCount' => '2'], 'QUARTILE.INC' => ['category' => \PhpOffice\PhpSpreadsheet\Calculation\Category::CATEGORY_STATISTICAL, 'functionCall' => [\PhpOffice\PhpSpreadsheet\Calculation\Statistical\Percentiles::class, 'QUARTILE'], 'argumentCount' => '2'], 'QUOTIENT' => ['category' => \PhpOffice\PhpSpreadsheet\Calculation\Category::CATEGORY_MATH_AND_TRIG, 'functionCall' => [\PhpOffice\PhpSpreadsheet\Calculation\MathTrig\Operations::class, 'quotient'], 'argumentCount' => '2'], 'RADIANS' => ['category' => \PhpOffice\PhpSpreadsheet\Calculation\Category::CATEGORY_MATH_AND_TRIG, 'functionCall' => [\PhpOffice\PhpSpreadsheet\Calculation\MathTrig\Angle::class, 'toRadians'], 'argumentCount' => '1'], 'RAND' => ['category' => \PhpOffice\PhpSpreadsheet\Calculation\Category::CATEGORY_MATH_AND_TRIG, 'functionCall' => [\PhpOffice\PhpSpreadsheet\Calculation\MathTrig\Random::class, 'rand'], 'argumentCount' => '0'], 'RANDARRAY' => ['category' => \PhpOffice\PhpSpreadsheet\Calculation\Category::CATEGORY_MATH_AND_TRIG, 'functionCall' => [\PhpOffice\PhpSpreadsheet\Calculation\MathTrig\Random::class, 'randArray'], 'argumentCount' => '0-5'], 'RANDBETWEEN' => ['category' => \PhpOffice\PhpSpreadsheet\Calculation\Category::CATEGORY_MATH_AND_TRIG, 'functionCall' => [\PhpOffice\PhpSpreadsheet\Calculation\MathTrig\Random::class, 'randBetween'], 'argumentCount' => '2'], 'RANK' => ['category' => \PhpOffice\PhpSpreadsheet\Calculation\Category::CATEGORY_STATISTICAL, 'functionCall' => [\PhpOffice\PhpSpreadsheet\Calculation\Statistical\Percentiles::class, 'RANK'], 'argumentCount' => '2,3'], 'RANK.AVG' => ['category' => \PhpOffice\PhpSpreadsheet\Calculation\Category::CATEGORY_STATISTICAL, 'functionCall' => [\PhpOffice\PhpSpreadsheet\Calculation\Functions::class, 'DUMMY'], 'argumentCount' => '2,3'], 'RANK.EQ' => ['category' => \PhpOffice\PhpSpreadsheet\Calculation\Category::CATEGORY_STATISTICAL, 'functionCall' => [\PhpOffice\PhpSpreadsheet\Calculation\Statistical\Percentiles::class, 'RANK'], 'argumentCount' => '2,3'], 'RATE' => ['category' => \PhpOffice\PhpSpreadsheet\Calculation\Category::CATEGORY_FINANCIAL, 'functionCall' => [\PhpOffice\PhpSpreadsheet\Calculation\Financial\CashFlow\Constant\Periodic\Interest::class, 'rate'], 'argumentCount' => '3-6'], 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[\PhpOffice\PhpSpreadsheet\Calculation\TextData\Concatenate::class, 'builtinREPT'], 'argumentCount' => '2'], 'RIGHT' => ['category' => \PhpOffice\PhpSpreadsheet\Calculation\Category::CATEGORY_TEXT_AND_DATA, 'functionCall' => [\PhpOffice\PhpSpreadsheet\Calculation\TextData\Extract::class, 'right'], 'argumentCount' => '1,2'], 'RIGHTB' => ['category' => \PhpOffice\PhpSpreadsheet\Calculation\Category::CATEGORY_TEXT_AND_DATA, 'functionCall' => [\PhpOffice\PhpSpreadsheet\Calculation\TextData\Extract::class, 'right'], 'argumentCount' => '1,2'], 'ROMAN' => ['category' => \PhpOffice\PhpSpreadsheet\Calculation\Category::CATEGORY_MATH_AND_TRIG, 'functionCall' => [\PhpOffice\PhpSpreadsheet\Calculation\MathTrig\Roman::class, 'evaluate'], 'argumentCount' => '1,2'], 'ROUND' => ['category' => \PhpOffice\PhpSpreadsheet\Calculation\Category::CATEGORY_MATH_AND_TRIG, 'functionCall' => [\PhpOffice\PhpSpreadsheet\Calculation\MathTrig\Round::class, 'round'], 'argumentCount' => '2'], 'ROUNDBAHTDOWN' => 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[\PhpOffice\PhpSpreadsheet\Calculation\TextData\CharacterConvert::class, 'code'], 'argumentCount' => '1'], 'UNIQUE' => ['category' => \PhpOffice\PhpSpreadsheet\Calculation\Category::CATEGORY_LOOKUP_AND_REFERENCE, 'functionCall' => [\PhpOffice\PhpSpreadsheet\Calculation\LookupRef\Unique::class, 'unique'], 'argumentCount' => '1+'], 'UPPER' => ['category' => \PhpOffice\PhpSpreadsheet\Calculation\Category::CATEGORY_TEXT_AND_DATA, 'functionCall' => [\PhpOffice\PhpSpreadsheet\Calculation\TextData\CaseConvert::class, 'upper'], 'argumentCount' => '1'], 'USDOLLAR' => ['category' => \PhpOffice\PhpSpreadsheet\Calculation\Category::CATEGORY_FINANCIAL, 'functionCall' => [\PhpOffice\PhpSpreadsheet\Calculation\Financial\Dollar::class, 'format'], 'argumentCount' => '2'], 'VALUE' => ['category' => \PhpOffice\PhpSpreadsheet\Calculation\Category::CATEGORY_TEXT_AND_DATA, 'functionCall' => [\PhpOffice\PhpSpreadsheet\Calculation\TextData\Format::class, 'VALUE'], 'argumentCount' => '1'], 'VALUETOTEXT' => ['category' => \PhpOffice\PhpSpreadsheet\Calculation\Category::CATEGORY_TEXT_AND_DATA, 'functionCall' => [\PhpOffice\PhpSpreadsheet\Calculation\TextData\Format::class, 'valueToText'], 'argumentCount' => '1,2'], 'VAR' => ['category' => \PhpOffice\PhpSpreadsheet\Calculation\Category::CATEGORY_STATISTICAL, 'functionCall' => [\PhpOffice\PhpSpreadsheet\Calculation\Statistical\Variances::class, 'VAR'], 'argumentCount' => '1+'], 'VAR.P' => ['category' => \PhpOffice\PhpSpreadsheet\Calculation\Category::CATEGORY_STATISTICAL, 'functionCall' => [\PhpOffice\PhpSpreadsheet\Calculation\Statistical\Variances::class, 'VARP'], 'argumentCount' => '1+'], 'VAR.S' => ['category' => \PhpOffice\PhpSpreadsheet\Calculation\Category::CATEGORY_STATISTICAL, 'functionCall' => [\PhpOffice\PhpSpreadsheet\Calculation\Statistical\Variances::class, 'VAR'], 'argumentCount' => '1+'], 'VARA' => ['category' => \PhpOffice\PhpSpreadsheet\Calculation\Category::CATEGORY_STATISTICAL, 'functionCall' => [\PhpOffice\PhpSpreadsheet\Calculation\Statistical\Variances::class, 'VARA'], 'argumentCount' => '1+'], 'VARP' => ['category' => \PhpOffice\PhpSpreadsheet\Calculation\Category::CATEGORY_STATISTICAL, 'functionCall' => [\PhpOffice\PhpSpreadsheet\Calculation\Statistical\Variances::class, 'VARP'], 'argumentCount' => '1+'], 'VARPA' => ['category' => \PhpOffice\PhpSpreadsheet\Calculation\Category::CATEGORY_STATISTICAL, 'functionCall' => [\PhpOffice\PhpSpreadsheet\Calculation\Statistical\Variances::class, 'VARPA'], 'argumentCount' => '1+'], 'VDB' => ['category' => \PhpOffice\PhpSpreadsheet\Calculation\Category::CATEGORY_FINANCIAL, 'functionCall' => [\PhpOffice\PhpSpreadsheet\Calculation\Functions::class, 'DUMMY'], 'argumentCount' => '5-7'], 'VLOOKUP' => ['category' => \PhpOffice\PhpSpreadsheet\Calculation\Category::CATEGORY_LOOKUP_AND_REFERENCE, 'functionCall' => [\PhpOffice\PhpSpreadsheet\Calculation\LookupRef\VLookup::class, 'lookup'], 'argumentCount' => '3,4'], 'VSTACK' => ['category' => \PhpOffice\PhpSpreadsheet\Calculation\Category::CATEGORY_MATH_AND_TRIG, 'functionCall' => [\PhpOffice\PhpSpreadsheet\Calculation\Functions::class, 'DUMMY'], 'argumentCount' => '1+'], 'WEBSERVICE' => ['category' => \PhpOffice\PhpSpreadsheet\Calculation\Category::CATEGORY_WEB, 'functionCall' => [\PhpOffice\PhpSpreadsheet\Calculation\Web\Service::class, 'webService'], 'argumentCount' => '1'], 'WEEKDAY' => ['category' => \PhpOffice\PhpSpreadsheet\Calculation\Category::CATEGORY_DATE_AND_TIME, 'functionCall' => [\PhpOffice\PhpSpreadsheet\Calculation\DateTimeExcel\Week::class, 'day'], 'argumentCount' => '1,2'], 'WEEKNUM' => ['category' => \PhpOffice\PhpSpreadsheet\Calculation\Category::CATEGORY_DATE_AND_TIME, 'functionCall' => [\PhpOffice\PhpSpreadsheet\Calculation\DateTimeExcel\Week::class, 'number'], 'argumentCount' => '1,2'], 'WEIBULL' => ['category' => \PhpOffice\PhpSpreadsheet\Calculation\Category::CATEGORY_STATISTICAL, 'functionCall' => [\PhpOffice\PhpSpreadsheet\Calculation\Statistical\Distributions\Weibull::class, 'distribution'], 'argumentCount' => '4'], 'WEIBULL.DIST' => ['category' => \PhpOffice\PhpSpreadsheet\Calculation\Category::CATEGORY_STATISTICAL, 'functionCall' => [\PhpOffice\PhpSpreadsheet\Calculation\Statistical\Distributions\Weibull::class, 'distribution'], 'argumentCount' => '4'], 'WORKDAY' => ['category' => \PhpOffice\PhpSpreadsheet\Calculation\Category::CATEGORY_DATE_AND_TIME, 'functionCall' => [\PhpOffice\PhpSpreadsheet\Calculation\DateTimeExcel\WorkDay::class, 'date'], 'argumentCount' => '2-3'], 'WORKDAY.INTL' => ['category' => \PhpOffice\PhpSpreadsheet\Calculation\Category::CATEGORY_DATE_AND_TIME, 'functionCall' => [\PhpOffice\PhpSpreadsheet\Calculation\Functions::class, 'DUMMY'], 'argumentCount' => '2-4'], 'WRAPCOLS' => ['category' => \PhpOffice\PhpSpreadsheet\Calculation\Category::CATEGORY_MATH_AND_TRIG, 'functionCall' => [\PhpOffice\PhpSpreadsheet\Calculation\Functions::class, 'DUMMY'], 'argumentCount' => '2-3'], 'WRAPROWS' => ['category' => \PhpOffice\PhpSpreadsheet\Calculation\Category::CATEGORY_MATH_AND_TRIG, 'functionCall' => [\PhpOffice\PhpSpreadsheet\Calculation\Functions::class, 'DUMMY'], 'argumentCount' => '2-3'], 'XIRR' => ['category' => \PhpOffice\PhpSpreadsheet\Calculation\Category::CATEGORY_FINANCIAL, 'functionCall' => [\PhpOffice\PhpSpreadsheet\Calculation\Financial\CashFlow\Variable\NonPeriodic::class, 'rate'], 'argumentCount' => '2,3'], 'XLOOKUP' => ['category' => \PhpOffice\PhpSpreadsheet\Calculation\Category::CATEGORY_LOOKUP_AND_REFERENCE, 'functionCall' => [\PhpOffice\PhpSpreadsheet\Calculation\Functions::class, 'DUMMY'], 'argumentCount' => '3-6'], 'XNPV' => ['category' => \PhpOffice\PhpSpreadsheet\Calculation\Category::CATEGORY_FINANCIAL, 'functionCall' => [\PhpOffice\PhpSpreadsheet\Calculation\Financial\CashFlow\Variable\NonPeriodic::class, 'presentValue'], 'argumentCount' => '3'], 'XMATCH' => ['category' => \PhpOffice\PhpSpreadsheet\Calculation\Category::CATEGORY_LOOKUP_AND_REFERENCE, 'functionCall' => [\PhpOffice\PhpSpreadsheet\Calculation\Functions::class, 'DUMMY'], 'argumentCount' => '2,3'], 'XOR' => ['category' => \PhpOffice\PhpSpreadsheet\Calculation\Category::CATEGORY_LOGICAL, 'functionCall' => [\PhpOffice\PhpSpreadsheet\Calculation\Logical\Operations::class, 'logicalXor'], 'argumentCount' => '1+'], 'YEAR' => ['category' => \PhpOffice\PhpSpreadsheet\Calculation\Category::CATEGORY_DATE_AND_TIME, 'functionCall' => [\PhpOffice\PhpSpreadsheet\Calculation\DateTimeExcel\DateParts::class, 'year'], 'argumentCount' => '1'], 'YEARFRAC' => ['category' => \PhpOffice\PhpSpreadsheet\Calculation\Category::CATEGORY_DATE_AND_TIME, 'functionCall' => [\PhpOffice\PhpSpreadsheet\Calculation\DateTimeExcel\YearFrac::class, 'fraction'], 'argumentCount' => '2,3'], 'YIELD' => ['category' => \PhpOffice\PhpSpreadsheet\Calculation\Category::CATEGORY_FINANCIAL, 'functionCall' => [\PhpOffice\PhpSpreadsheet\Calculation\Functions::class, 'DUMMY'], 'argumentCount' => '6,7'], 'YIELDDISC' => ['category' => \PhpOffice\PhpSpreadsheet\Calculation\Category::CATEGORY_FINANCIAL, 'functionCall' => [\PhpOffice\PhpSpreadsheet\Calculation\Financial\Securities\Yields::class, 'yieldDiscounted'], 'argumentCount' => '4,5'], 'YIELDMAT' => ['category' => \PhpOffice\PhpSpreadsheet\Calculation\Category::CATEGORY_FINANCIAL, 'functionCall' => [\PhpOffice\PhpSpreadsheet\Calculation\Financial\Securities\Yields::class, 'yieldAtMaturity'], 'argumentCount' => '5,6'], 'ZTEST' => ['category' => \PhpOffice\PhpSpreadsheet\Calculation\Category::CATEGORY_STATISTICAL, 'functionCall' => [\PhpOffice\PhpSpreadsheet\Calculation\Statistical\Distributions\StandardNormal::class, 'zTest'], 'argumentCount' => '2-3'], 'Z.TEST' => ['category' => \PhpOffice\PhpSpreadsheet\Calculation\Category::CATEGORY_STATISTICAL, 'functionCall' => [\PhpOffice\PhpSpreadsheet\Calculation\Statistical\Distributions\StandardNormal::class, 'zTest'], 'argumentCount' => '2-3']]```

In theory, this could be const rather than static; however, Phpstan breaks trying to analyze it when attempted.

#### \$referenceHelper

Reference Helper.

``` private static ReferenceHelper \$referenceHelper ```

#### \$returnArrayAsType

``` private static string \$returnArrayAsType = self::RETURN_ARRAY_AS_VALUE```

Instance of the spreadsheet this Calculation Engine is using.

``` private Spreadsheet|null \$spreadsheet ```

#### \$suppressFormulaErrorsNew

``` private bool \$suppressFormulaErrorsNew = false```

#### \$validLocaleLanguages

List of available locale settings Note that this is read for the locale subdirectory only when requested.

``` private static array<string|int, string> \$validLocaleLanguages = ['en']```

### Methods

#### __clone()

__clone implementation. Cloning should not be allowed in a Singleton!

``` public final __clone() : mixed```

#### __construct()

``` public __construct([Spreadsheet|null \$spreadsheet = null ]) : mixed```

#### _calculateFormulaValue()

Parse a cell formula and calculate its value.

``` public _calculateFormulaValue(string \$formula[, string|null \$cellID = null ][, Cell|null \$cell = null ][, bool \$ignoreQuotePrefix = false ]) : mixed```
##### Parameters
\$formula : string

The formula to parse and calculate

\$cellID : string|null = null

The ID (e.g. A3) of the cell that we are calculating

\$cell : Cell|null = null

Cell to calculate

\$ignoreQuotePrefix : bool = false

If set to true, evaluate the formyla even if the referenced cell is quote prefixed

#### _translateFormulaToEnglish()

``` public _translateFormulaToEnglish(string \$formula) : string```
##### Parameters
\$formula : string
##### Tags
deprecated
1.30.0

codeCoverageIgnore
string

#### _translateFormulaToLocale()

``` public _translateFormulaToLocale(string \$formula) : string```
##### Parameters
\$formula : string
##### Tags
deprecated
1.30.0

codeCoverageIgnore
string

#### calculate()

Calculate cell value (using formula from a cell ID) Retained for backward compatibility.

``` public calculate([Cell|null \$cell = null ]) : mixed```
##### Parameters
\$cell : Cell|null = null

Cell to calculate

#### calculateCellValue()

Calculate the value of a cell formula.

``` public calculateCellValue([Cell|null \$cell = null ][, bool \$resetLog = true ]) : mixed```
##### Parameters
\$cell : Cell|null = null

Cell to calculate

\$resetLog : bool = true

Flag indicating whether the debug log should be reset or not

#### calculateFormula()

Calculate the value of a formula.

``` public calculateFormula(string \$formula[, string|null \$cellID = null ][, Cell|null \$cell = null ]) : mixed```
##### Parameters
\$formula : string

Formula to parse

\$cellID : string|null = null

Address of the cell to calculate

\$cell : Cell|null = null

Cell to calculate

#### clearCalculationCache()

Clear calculation cache.

``` public clearCalculationCache() : void```

#### clearCalculationCacheForWorksheet()

Clear calculation cache for a specified worksheet.

``` public clearCalculationCacheForWorksheet(string \$worksheetName) : void```
##### Parameters
\$worksheetName : string

#### disableBranchPruning()

``` public disableBranchPruning() : void```

#### disableCalculationCache()

Disable calculation cache.

``` public disableCalculationCache() : void```

#### enableBranchPruning()

``` public enableBranchPruning() : void```

#### enableCalculationCache()

Enable calculation cache.

``` public enableCalculationCache() : void```

#### extractCellRange()

Extract range values.

``` public extractCellRange([string &\$range = 'A1' ][, Worksheet|null \$worksheet = null ][, bool \$resetLog = true ]) : array<string|int, mixed>```
##### Parameters
\$range : string = 'A1'

String based range representation

\$worksheet : Worksheet|null = null

Worksheet

\$resetLog : bool = true

Flag indicating whether calculation log should be reset or not

##### Return values
array<string|int, mixed>

Array of values in range if range contains more than one element. Otherwise, a single value is returned.

#### extractNamedRange()

Extract range values.

``` public extractNamedRange([string &\$range = 'A1' ][, null|Worksheet \$worksheet = null ][, bool \$resetLog = true ]) : array<string|int, mixed>|string```
##### Parameters
\$range : string = 'A1'

String based range representation

\$worksheet : null|Worksheet = null

Worksheet

\$resetLog : bool = true

Flag indicating whether calculation log should be reset or not

##### Return values
array<string|int, mixed>|string

Array of values in range if range contains more than one element. Otherwise, a single value is returned.

#### flushInstance()

Flush the calculation cache for any existing instance of this class but only if a Calculation instance exists.

``` public flushInstance() : void```

#### getArrayReturnType()

Return the Array Return Type (Array or Value of first element in the array).

``` public static getArrayReturnType() : string```
##### Return values
string

\$returnType Array return type

#### getCalculationCacheEnabled()

Is calculation caching enabled?

``` public getCalculationCacheEnabled() : bool```
bool

#### getDebugLog()

Get the Logger for this calculation engine instance.

``` public getDebugLog() : Logger```
Logger

#### getExcelConstants()

``` public static getExcelConstants(string \$key) : bool|null```
\$key : string
bool|null

#### getFALSE()

Return the locale-specific translation of FALSE.

``` public static getFALSE() : string```
##### Return values
string

locale-specific translation of FALSE

#### getFunctions()

Get a list of all implemented functions as an array of function objects.

``` public static getFunctions() : array<string|int, mixed>```
##### Return values
array<string|int, mixed>

#### getImplementedFunctionNames()

Get a list of implemented Excel function names.

``` public getImplementedFunctionNames() : array<string|int, mixed>```
##### Return values
array<string|int, mixed>

#### getInstance()

Get an instance of this class.

``` public static getInstance([Spreadsheet|null \$spreadsheet = null ]) : self```
##### Parameters

Injected spreadsheet for working with a PhpSpreadsheet Spreadsheet object, or NULL to create a standalone calculation engine

self

#### getLocale()

Get the currently defined locale code.

``` public getLocale() : string```
string

#### getLocaleBoolean()

``` public static getLocaleBoolean(string \$index) : string```
\$index : string
string

#### getMatrixDimensions()

Read the dimensions of a matrix, and re-index it with straight numeric keys starting from row 0, column 0.

``` public static getMatrixDimensions(array<string|int, mixed> &\$matrix) : array<string|int, int>```
##### Parameters
\$matrix : array<string|int, mixed>

matrix operand

##### Return values
array<string|int, int>

An array comprising the number of rows, and number of columns

#### getSuppressFormulaErrors()

``` public getSuppressFormulaErrors() : bool```
bool

#### getTRUE()

Return the locale-specific translation of TRUE.

``` public static getTRUE() : string```
##### Return values
string

locale-specific translation of TRUE

#### getValueFromCache()

``` public getValueFromCache(string \$cellReference, mixed &\$cellValue) : bool```
##### Parameters
\$cellReference : string
\$cellValue : mixed
bool

#### isImplemented()

Is a specific function implemented?

``` public isImplemented(string \$function) : bool```
##### Parameters
\$function : string

Function Name

bool

#### keyInExcelConstants()

``` public static keyInExcelConstants(string \$key) : bool```
\$key : string
bool

#### localeFunc()

``` public static localeFunc(string \$function) : string```
##### Parameters
\$function : string
string

#### parseFormula()

Validate and parse a formula string.

``` public parseFormula(string \$formula) : array<string|int, mixed>|bool```
##### Parameters
\$formula : string

Formula to parse

##### Return values
array<string|int, mixed>|bool

#### renameCalculationCacheForWorksheet()

Rename calculation cache for a specified worksheet.

``` public renameCalculationCacheForWorksheet(string \$fromWorksheetName, string \$toWorksheetName) : void```
##### Parameters
\$fromWorksheetName : string
\$toWorksheetName : string

#### saveValueToCache()

``` public saveValueToCache(string \$cellReference, mixed \$cellValue) : void```
##### Parameters
\$cellReference : string
\$cellValue : mixed

#### setArrayReturnType()

Set the Array Return Type (Array or Value of first element in the array).

``` public static setArrayReturnType(string \$returnType) : bool```
##### Parameters
\$returnType : string

Array return type

##### Return values
bool

Success or failure

#### setBranchPruningEnabled()

Enable/disable calculation cache.

``` public setBranchPruningEnabled(mixed \$enabled) : void```
\$enabled : mixed

#### setCalculationCacheEnabled()

Enable/disable calculation cache.

``` public setCalculationCacheEnabled(bool \$calculationCacheEnabled) : void```
##### Parameters
\$calculationCacheEnabled : bool

#### setLocale()

Set the locale code.

``` public setLocale(string \$locale) : bool```
##### Parameters
\$locale : string

The locale to use for formula translation, eg: 'en_us'

bool

#### setSuppressFormulaErrors()

``` public setSuppressFormulaErrors(bool \$suppressFormulaErrors) : void```
##### Parameters
\$suppressFormulaErrors : bool

#### translateFormulaToEnglish()

``` public translateFormulaToEnglish(string \$formula) : string```
##### Parameters
\$formula : string
string

#### translateFormulaToLocale()

``` public translateFormulaToLocale(string \$formula) : string```
##### Parameters
\$formula : string
string

#### translateSeparator()

``` public static translateSeparator(string \$fromSeparator, string \$toSeparator, string \$formula, int &\$inBracesLevel[, string \$openBrace = self::FORMULA_OPEN_FUNCTION_BRACE ][, string \$closeBrace = self::FORMULA_CLOSE_FUNCTION_BRACE ]) : string```
##### Parameters
\$fromSeparator : string
\$toSeparator : string
\$formula : string
\$inBracesLevel : int
\$openBrace : string = self::FORMULA_OPEN_FUNCTION_BRACE
\$closeBrace : string = self::FORMULA_CLOSE_FUNCTION_BRACE
string

#### unwrapResult()

Remove quotes used as a wrapper to identify string values.

``` public static unwrapResult(mixed \$value) : mixed```
\$value : mixed

#### wrapResult()

Wrap string values in quotes.

``` public static wrapResult(mixed \$value) : mixed```
\$value : mixed

#### raiseFormulaError()

Trigger an error, but nicely, if need be.

``` protected raiseFormulaError(string \$errorMessage[, int \$code = 0 ][, Throwable|null \$exception = null ]) : false```
##### Parameters
\$errorMessage : string
\$code : int = 0
\$exception : Throwable|null = null
##### Return values
false

Add cell reference if needed while making sure that it is the last argument.

``` private addCellReference(array<string|int, mixed> \$args, bool \$passCellReference, array<string|int, mixed>|string \$functionCall[, Cell|null \$cell = null ]) : array<string|int, mixed>```
##### Parameters
\$args : array<string|int, mixed>
\$passCellReference : bool
\$functionCall : array<string|int, mixed>|string
\$cell : Cell|null = null
##### Return values
array<string|int, mixed>

``` private addDefaultArgumentValues(array<string|int, mixed> \$functionCall, array<string|int, mixed> \$args, array<string|int, mixed> \$emptyArguments) : array<string|int, mixed>```
##### Parameters
\$functionCall : array<string|int, mixed>
\$args : array<string|int, mixed>
\$emptyArguments : array<string|int, mixed>
##### Return values
array<string|int, mixed>

#### boolToString()

``` private static boolToString(mixed \$operand1) : mixed```
##### Parameters
\$operand1 : mixed

#### checkMatrixOperands()

Ensure that paired matrix operands are both matrices and of the same size.

``` private static checkMatrixOperands(mixed &\$operand1, mixed &\$operand2[, int \$resize = 1 ]) : array<string|int, mixed>```
##### Parameters
\$operand1 : mixed

First matrix operand

\$operand2 : mixed

Second matrix operand

\$resize : int = 1

Flag indicating whether the matrices should be resized to match and (if so), whether the smaller dimension should grow or the larger should shrink. 0 = no resize 1 = shrink to fit 2 = extend to fit

##### Return values
array<string|int, mixed>

#### convertMatrixReferences()

``` private convertMatrixReferences(string \$formula) : false|string```
##### Parameters
\$formula : string
##### Return values
false|string

False indicates an error

#### dataTestReference()

``` private static dataTestReference(array<string|int, mixed> &\$operandData) : mixed```
##### Parameters
\$operandData : array<string|int, mixed>

#### evaluateDefinedName()

``` private evaluateDefinedName(Cell \$cell, DefinedName \$namedRange, Worksheet \$cellWorksheet, Stack \$stack) : mixed```
##### Parameters
\$cell : Cell
\$namedRange : DefinedName
\$cellWorksheet : Worksheet
\$stack : Stack

#### executeArrayComparison()

``` private executeArrayComparison(mixed \$operand1, mixed \$operand2, string \$operation, Stack &\$stack, bool \$recursingArrays) : array<string|int, mixed>```
##### Parameters
\$operand1 : mixed
\$operand2 : mixed
\$operation : string
\$stack : Stack
\$recursingArrays : bool
##### Return values
array<string|int, mixed>

#### executeBinaryComparisonOperation()

``` private executeBinaryComparisonOperation(mixed \$operand1, mixed \$operand2, string \$operation, Stack &\$stack[, bool \$recursingArrays = false ]) : array<string|int, mixed>|bool```
##### Parameters
\$operand1 : mixed
\$operand2 : mixed
\$operation : string
\$stack : Stack
\$recursingArrays : bool = false
##### Return values
array<string|int, mixed>|bool

#### executeNumericBinaryOperation()

``` private executeNumericBinaryOperation(mixed \$operand1, mixed \$operand2, string \$operation, Stack &\$stack) : mixed```
##### Parameters
\$operand1 : mixed
\$operand2 : mixed
\$operation : string
\$stack : Stack

#### getArgumentDefaultValue()

``` private getArgumentDefaultValue(ReflectionParameter \$methodArgument) : mixed```
##### Parameters
\$methodArgument : ReflectionParameter

#### getLocaleFile()

``` private getLocaleFile(string \$localeDir, string \$locale, string \$language, string \$file) : string```
##### Parameters
\$localeDir : string
\$locale : string
\$language : string
\$file : string
string

#### internalParseFormula()

``` private internalParseFormula(string \$formula[, Cell|null \$cell = null ]) : array<int, mixed>|false```
##### Parameters
\$formula : string
\$cell : Cell|null = null
##### Return values
array<int, mixed>|false

#### isNumericOrBool()

``` private static isNumericOrBool(mixed \$operand) : bool```
\$operand : mixed
##### Return values
bool

``` private static loadLocales() : void```

#### makeError()

``` private static makeError([mixed \$operand = '' ]) : string```
##### Parameters
\$operand : mixed = ''
string

#### processTokenStack()

``` private processTokenStack(mixed \$tokens[, string|null \$cellID = null ][, Cell|null \$cell = null ]) : array<int, mixed>|false```
##### Parameters
\$tokens : mixed
\$cellID : string|null = null
\$cell : Cell|null = null
##### Return values
array<int, mixed>|false

#### resizeMatricesExtend()

Ensure that paired matrix operands are both matrices of the same size.

``` private static resizeMatricesExtend(array<string|int, mixed> &\$matrix1, array<string|int, mixed> &\$matrix2, int \$matrix1Rows, int \$matrix1Columns, int \$matrix2Rows, int \$matrix2Columns) : void```
##### Parameters
\$matrix1 : array<string|int, mixed>

First matrix operand

\$matrix2 : array<string|int, mixed>

Second matrix operand

\$matrix1Rows : int

Row size of first matrix operand

\$matrix1Columns : int

Column size of first matrix operand

\$matrix2Rows : int

Row size of second matrix operand

\$matrix2Columns : int

Column size of second matrix operand

#### resizeMatricesShrink()

Ensure that paired matrix operands are both matrices of the same size.

``` private static resizeMatricesShrink(array<string|int, mixed> &\$matrix1, array<string|int, mixed> &\$matrix2, int \$matrix1Rows, int \$matrix1Columns, int \$matrix2Rows, int \$matrix2Columns) : void```
##### Parameters
\$matrix1 : array<string|int, mixed>

First matrix operand

\$matrix2 : array<string|int, mixed>

Second matrix operand

\$matrix1Rows : int

Row size of first matrix operand

\$matrix1Columns : int

Column size of first matrix operand

\$matrix2Rows : int

Row size of second matrix operand

\$matrix2Columns : int

Column size of second matrix operand

#### showTypeDetails()

Format type and details of an operand for display in the log (based on operand type).

``` private showTypeDetails(mixed \$value) : string|null```
##### Parameters
\$value : mixed

First matrix operand

string|null

#### showValue()

Format details of an operand for display in the log (based on operand type).

``` private showValue(mixed \$value) : mixed```
##### Parameters
\$value : mixed

First matrix operand

#### translateFormula()

``` private static translateFormula(array<string|int, mixed> \$from, array<string|int, mixed> \$to, string \$formula, string \$fromSeparator, string \$toSeparator) : string```
##### Parameters
\$from : array<string|int, mixed>
\$to : array<string|int, mixed>
\$formula : string
\$fromSeparator : string
\$toSeparator : string
string

#### translateFormulaBlock()

``` private static translateFormulaBlock(array<string|int, mixed> \$from, array<string|int, mixed> \$to, string \$formula, int &\$inFunctionBracesLevel, int &\$inMatrixBracesLevel, string \$fromSeparator, string \$toSeparator) : string```
##### Parameters
\$from : array<string|int, mixed>
\$to : array<string|int, mixed>
\$formula : string
\$inFunctionBracesLevel : int
\$inMatrixBracesLevel : int
\$fromSeparator : string
\$toSeparator : string
string

#### validateBinaryOperand()

``` private validateBinaryOperand(mixed &\$operand, mixed &\$stack) : bool```
\$operand : mixed
\$stack : mixed
bool