cfdocs

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()

Argument Reference

Name	Type	Required	Default	Description
array	array	Yes		An array name or variable name

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

Lucee4.5+ 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

CF11+ Uses the member function is the same as running arrayIsEmpty.

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

Expected Result: Yes

Simple example with member function

Lucee4.5+ Uses the member function is the same as running arrayIsEmpty.

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

Expected Result: true

This site is open source. Improve this page.