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Structure Functions

There are several new functions that help you create and manage structures in ColdFusion applications.

Structure Functions
Function
Description
IsStruct
Returns TRUE if the specified variable is a structure.
StructClear
Removes all data from the specified structure.
StructCopy
Returns a new structure with all the keys and values of the specified structure.
StructCount
Returns the number of keys in the specified structure.
StructDelete
Removes the specified item from the specified structure.
StructFind
Returns the value associated with the specified key in the specified structure.
StructInsert
Inserts the specified key-value pair into the specified structure.
StructIsEmpty
Indicates whether the specified structure contains data. Returns TRUE if the structure contains no data, and FALSE if it does contain data.
StructKeyExists
Returns TRUE if the specified key is in the specified structure.
StructNew
Returns a new structure.
StructUpdate
Updates the specified key with the specified value.

Note that in all cases, except StructDelete, an exception will be thrown if the referenced key or structure does not exist.

For more information on these functions, see the CFML Language Reference.


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