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()

arrayIsEmpty 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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