ArrayPop

Tìm kiếm

Cập nhật gần đây nhất vào 26 thg 12, 2022

Description

Removes the last element from an array.

Returns

The popped element.

Syntax

ArrayPop(array)

Member function

array.pop()

History

New in ColdFusion (2021 release)

Parameters

Parameter	Required/Optional	Description
array	Required	The array whose last element is to be removed.

Lưu ý:

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

Example

<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

Example

<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