Difference between revisions of "IS ARRAY()"

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==Purpose==
 
==Purpose==
Function to check whether a variable is an array
+
Function to check whether an expression is the name of an array
  
  

Revision as of 11:19, 12 November 2009

Purpose

Function to check whether an expression is the name of an array


Syntax

IS_ARRAY(<exp>)


See Also

AADD(), AAVERAGE(), ABROWSE(), ACHOICE(), ACOL(), ACOPY(), ADEL(), ADESC(), ADIR(), AELEMENT(), AFIELDS(), AFILL(), AINS(), ALEN(), AMAX(), AMIN(), APPEND FROM ARRAY, AROW(), ASIZE(), ASORT(), ASTORE(), ASTRING(), ASUBSCRIPT(), ASUM(), COPY TO ARRAY, DECLARE, DIMENSION, GATHER, IN_ARRAY() IS_FLOAT(), IS_INT(), IS_OBJECT(), IS_STRING(), ISALPHA(), ISDIGIT(), ISLOWER(), ISUPPER(), LOCAL, PRIVATE, PUBLIC, RELEASE, RESTORE, SAVE, SCATTER, SET EXACT, TYPE()


Description

The IS_ARRAY() function returns .T. (true) if the specified expression is the name of a fixed or dynamic array, otherwise .F. (false).


Example

open database southwind
select * from example into array afixed
? is_array(afixed)
.T.
select * from example into object adynamic
? is_array(adynamic)
.T.


Products

Recital, Recital Server