IsArray  
Description
Determines whether a value is an array.
 
Returns
True, if value is an array, or a query column object.
 
Category
Array functions, Decision functions
 
Function syntax 
IsArray(value [, number ])
 
See also
Array functions
 
History
ColdFusion MX:
  • Changed behavior: if the value attribute contains a reference to a query result column, this function now returns True. For example: isArray(MyQuery['Column1']) returns True. (In earlier releases, it returns False.)
  • Changed behavior: this function can be used on XML objects.
 
Parameters
 
Parameter      Description
value Variable or array name
number Dimension; function tests whether the array has exactly this dimension
 
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>
value  
Variable or array name
number  
Dimension; function tests whether the array has exactly this dimension