ARRAYISEMPTY | |
Description
Determines whether an array is empty of data elements. |
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Returns
True, if the array is empty; False, otherwise. |
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Category
Array functions |
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Function syntaxArrayIsEmpty(array) |
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See also
ArrayLen, "Functions for XML object management" in Chapter 35, "Using XML and WDDX," in ColdFusion MX Developer's Guide |
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History
ColdFusion MX: Changed behavior: this function can be used on XML objects. |
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Parameters
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Example<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> |
ARRAY | |