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ColdFusion Functions


ArrayIsEmpty

Description

Determines whether an array is empty of data.

Returns a Boolean TRUE if the array is empty; otherwise FALSE.

Category

Array functions

Syntax 

ArrayIsEmpty(array)

See also

ArrayLen

Parameters

Parameter
Description
array
 Name of an array to check for data

Example 

<!--- This example shows ArrayIsEmpty --->
<html>
<head>
<title>ArrayIsEmpty Example</title>
</head>

<body>
<H3>ArrayIsEmpty Example</H3>
<!--- create a new array --->
<cfset MyArray = ArrayNew(1)>
<!--- populate an element or two --->
<cfset MyArray[1] = "Test">
<cfset MyArray[2] = "Other Test">
<!--- output the contents of the array --->
<P>Your array contents are:
<cfoutput>#ArrayToList(MyArray)#</cfoutput>
<!--- check if the array is empty --->
<P>Is the array empty?:
<cfoutput>#ArrayIsEmpty(MyArray)#</cfoutput>
<P>Now, clear the array:
<!--- now clear the array --->
<cfset Temp = ArrayClear(MyArray)>
<!--- check if the array is empty --->
<P>Is the array empty?:
<cfoutput>#ArrayIsEmpty(MyArray)#</cfoutput>

</body>
</html>
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