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File Size: 285 lines (11 kb)
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Defines 1 class

PHPExcel_Calculation_Logical:: (7 methods):
  TRUE()
  FALSE()
  LOGICAL_AND()
  LOGICAL_OR()
  NOT()
  STATEMENT_IF()
  IFERROR()


Class: PHPExcel_Calculation_Logical  - X-Ref

PHPExcel_Calculation_Logical

Copyright (c) 2006 - 2015 PHPExcel

This library is free software; you can redistribute it and/or
modify it under the terms of the GNU Lesser General Public
License as published by the Free Software Foundation; either
version 2.1 of the License, or (at your option) any later version.

This library is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
Lesser General Public License for more details.

You should have received a copy of the GNU Lesser General Public
License along with this library; if not, write to the Free Software
Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA

TRUE()   X-Ref
TRUE

Returns the boolean TRUE.

Excel Function:
=TRUE()

return: boolean        True

FALSE()   X-Ref
FALSE

Returns the boolean FALSE.

Excel Function:
=FALSE()

return: boolean        False

LOGICAL_AND()   X-Ref
LOGICAL_AND

Returns boolean TRUE if all its arguments are TRUE; returns FALSE if one or more argument is FALSE.

Excel Function:
=AND(logical1[,logical2[, ...]])

The arguments must evaluate to logical values such as TRUE or FALSE, or the arguments must be arrays
or references that contain logical values.

Boolean arguments are treated as True or False as appropriate
Integer or floating point arguments are treated as True, except for 0 or 0.0 which are False
If any argument value is a string, or a Null, the function returns a #VALUE! error, unless the string holds
the value TRUE or FALSE, in which case it is evaluated as the corresponding boolean value

param: mixed        $arg,...        Data values
return: boolean        The logical AND of the arguments.

LOGICAL_OR()   X-Ref
LOGICAL_OR

Returns boolean TRUE if any argument is TRUE; returns FALSE if all arguments are FALSE.

Excel Function:
=OR(logical1[,logical2[, ...]])

The arguments must evaluate to logical values such as TRUE or FALSE, or the arguments must be arrays
or references that contain logical values.

Boolean arguments are treated as True or False as appropriate
Integer or floating point arguments are treated as True, except for 0 or 0.0 which are False
If any argument value is a string, or a Null, the function returns a #VALUE! error, unless the string holds
the value TRUE or FALSE, in which case it is evaluated as the corresponding boolean value

param: mixed        $arg,...        Data values
return: boolean        The logical OR of the arguments.

NOT($logical = false)   X-Ref
NOT

Returns the boolean inverse of the argument.

Excel Function:
=NOT(logical)

The argument must evaluate to a logical value such as TRUE or FALSE

Boolean arguments are treated as True or False as appropriate
Integer or floating point arguments are treated as True, except for 0 or 0.0 which are False
If any argument value is a string, or a Null, the function returns a #VALUE! error, unless the string holds
the value TRUE or FALSE, in which case it is evaluated as the corresponding boolean value

param: mixed        $logical    A value or expression that can be evaluated to TRUE or FALSE
return: boolean        The boolean inverse of the argument.

STATEMENT_IF($condition = true, $returnIfTrue = 0, $returnIfFalse = false)   X-Ref
STATEMENT_IF

Returns one value if a condition you specify evaluates to TRUE and another value if it evaluates to FALSE.

Excel Function:
=IF(condition[,returnIfTrue[,returnIfFalse]])

Condition is any value or expression that can be evaluated to TRUE or FALSE.
For example, A10=100 is a logical expression; if the value in cell A10 is equal to 100,
the expression evaluates to TRUE. Otherwise, the expression evaluates to FALSE.
This argument can use any comparison calculation operator.
ReturnIfTrue is the value that is returned if condition evaluates to TRUE.
For example, if this argument is the text string "Within budget" and the condition argument evaluates to TRUE,
then the IF function returns the text "Within budget"
If condition is TRUE and ReturnIfTrue is blank, this argument returns 0 (zero). To display the word TRUE, use
the logical value TRUE for this argument.
ReturnIfTrue can be another formula.
ReturnIfFalse is the value that is returned if condition evaluates to FALSE.
For example, if this argument is the text string "Over budget" and the condition argument evaluates to FALSE,
then the IF function returns the text "Over budget".
If condition is FALSE and ReturnIfFalse is omitted, then the logical value FALSE is returned.
If condition is FALSE and ReturnIfFalse is blank, then the value 0 (zero) is returned.
ReturnIfFalse can be another formula.

param: mixed    $condition        Condition to evaluate
param: mixed    $returnIfTrue    Value to return when condition is true
param: mixed    $returnIfFalse    Optional value to return when condition is false
return: mixed    The value of returnIfTrue or returnIfFalse determined by condition

IFERROR($testValue = '', $errorpart = '')   X-Ref
IFERROR

Excel Function:
=IFERROR(testValue,errorpart)

param: mixed    $testValue    Value to check, is also the value returned when no error
param: mixed    $errorpart    Value to return when testValue is an error condition
return: mixed    The value of errorpart or testValue determined by error condition


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