ArrayPop

ArrayPop

Išči

某些 Creative Cloud 应用程序、服务和功能在中国不可用。

Description

Removes the last element from an array.

Returns

The popped element.

Syntax

1
ArrayPop(array)

Member function

1
array.pop()

History

New in ColdFusion (2021 release)

Parameters

Parameter

Required/Optional

Description

array

Required

The array whose last element is to be removed.

Opomba:

If you apply ArrayPop to an empty array, there is an exception.

Example

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<cfscript>
    arr=[{"id":101,"name":"John"},
         {"id":102,"name":"Paul"},
         {"id":103,"name":"George"}
        ]
    // Array push
    ArrayPush(arr,{"id":104,"name":"Ringo"})
    // Array pop
    WriteDump(ArrayPop(arr))
</cfscript>

Output

Array pop
Array pop

Example

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<cfscript>
    Q1=queryNew(data=[
                 {"id":1,"title":"Moby Dick"},
                 {"id":2,"title":"Great Expectations"}
             ]);
    Q2=queryNew(data=[
                 {"id":3,"title":"Hamlet"},
                 {"id":4,"title":"Macbeth"}
             ]);
    arrOfQ=[Q1,Q2]
    Q3=queryNew(data=[
                 {"id":5,"title":"Frankenstein"},
                 {"id":6,"title":"Metamorphosis"}
             ]);
    // Array push
    ArrayPush(arrOfQ,Q3)
    // Array pop
    WriteDump(ArrayPop(arrOfQ))
</cfscript>

Output

Array pop
Array pop