Structure Functions

Use the following functions to create and manage structures in ColdFusion applications:
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.
StructKeyArray 
Returns an array of keys in the specified structure.
StructKeyExists 
Returns True if the specified key is in the specified structure.
StructKeyList 
Returns a list of keys 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 is thrown if the referenced key or structure does not exist.

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