Isarray - MACROMEDIA COLDFUSION MX 61-CFML Reference

IsArray

Description
Determines whether a value is an array.
Returns
True, if value is an array, or a query column object.
Category
Array functions,
Function syntax
IsArray(value [, number ])
See also
Array functions
History
ColdFusion MX:
•
Changed behavior: if the
function now returns True. For example:
earlier releases, it returns False.)
•
Changed behavior: this function can be used on XML objects.
Parameters
Parameter
value
number
Usage
This function evaluates a Java array object, such as vector object, as having one dimension.
Example
<h3>IsArray Example</h3>
<!--- Make an array --->
<cfset MyNewArray = ArrayNew(1)>
<!--- set some elements --->
<cfset MyNewArray[1] = "element one">
<cfset MyNewArray[2] = "element two">
<cfset MyNewArray[3] = "element three">
<!--- is it an array? --->
<cfoutput>
<p>Is this an array? #IsArray(MyNewArray)#
<p>It has #ArrayLen(MyNewArray)# elements.
<p>Contents: #ArrayToList(MyNewArray)#
</cfoutput>
524 Chapter 3: ColdFusion Functions
Decision functions
attribute contains a reference to a query result column, this
value
Description
Variable or array name
Dimension; function tests whether the array has exactly this dimension
isArray(MyQuery['Column1'])
returns True. (In