arrayIsEmpty

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

arrayIsEmpty(array) → returns boolean

Member Function Syntax

someArray.isEmpty()

arrayIsEmpty Argument Reference

array
Required

An array name or variable name

Examples sample code invoking the arrayIsEmpty function


Simple example for arrayIsEmpty function

To check an array is empty or not

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

Expected Result: No


Simple example for arrayIsEmpty function

Lucee 4.5+ To check an array is empty or not

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

Expected Result: false


Simple example with member function

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

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

Expected Result: Yes


Simple example with member function

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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