arrayIsEmpty

Determines whether an array is empty. Equivalent to arrayLen().
Calling this function on an array with 10 undefined elements
will return false.
CF MX: this function can be used on XML objects.

arrayIsEmpty(array) → returns boolean

Member Function Syntax

someArray.isEmpty()

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  4. arrayIsEmpty
  5. CF3+
  6. Lucee
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See Also:   ArrayIsDefined

Argument Reference

array array
Required

An array name or variable name

Examples
Sample code invoking the arrayIsEmpty function

To check an array is empty or not

someArray = [1,2,3,4,5];
writeOutput(arrayIsEmpty(someArray));

Expected Result: No

Lucee 4.5+ To check an array is empty or not

someArray = [1,2,3,4,5];
writeOutput(arrayIsEmpty(someArray));

Expected Result: false

CF 11+ Uses the member function is the same as running arrayIsEmpty.

numberArray = arrayNew(1);
writeOutput(numberArray.isEmpty());

Expected Result: Yes

Lucee 4.5+ Uses the member function is the same as running arrayIsEmpty.

numberArray = arrayNew(1);
writeOutput(numberArray.isEmpty());

Expected Result: true

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