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()

Argument Reference for the arrayIsEmpty function

array

Required: Yes
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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