MACROMEDIA COLDFUSION MX 61-CFML Reference page 695

copied.string = #copied.string#<br>
// Array value <br>
copied.array[1][1] = #copied.array[1][1]#<br>
copied.array[1][2] = #copied.array[1][2]#<br>
</cfoutput>
// This script creates a structure that StructCopy copies by reference.
<cfscript>
// Create elements.
s = StructNew();
s.nested = StructNew();
s.nested.array = ArrayNew(2);
// Assign simple values to nested structure fields.
s.nested.number = 99;
s.nested.string = "hello tommy";
// Assign values to nested array.
s.nested.array[1][1] = "one one";
s.nested.array[1][2] = "one two";
</cfscript>
<!--- Output original structure --->
<hr>
<b>Original Values</b><br>
<cfoutput>
// Simple values <br>
s.nested.number = #s.nested.number#<br>
s.nested.string = #s.nested.string#<br>
// Array values <br>
s.nested.array[1][1] = #s.nested.array[1][1]#<br>
s.nested.array[1][2] = #s.nested.array[1][2]#<br>
</cfoutput>
// Use StructCopy to copy this structure to a new structure. <br>
<cfset copied = StructCopy(s)>
// Use Duplicate to clone this structure to a new structure. <br>
<cfset duplicated = Duplicate(s)>
<cfscript>
// Change the values of the original structure.
s.nested.number = 100;
s.nested.string = "hello tommy (modified)";
s.nested.array[1][1] = "one one (modified)";
s.nested.array[1][2] = "one two (modified)";
</cfscript>
<hr>
<b>Modified Original Values</b><br>
<cfoutput>
// Simple values <br>
s.nested.number = #s.nested.number#<br>
s.nested.string = #s.nested.string#<br>
// Array value <br>
s.nested.array[1][1] = #s.nested.array[1][1]#<br>
s.nested.array[1][2] = #s.nested.array[1][2]#<br>
</cfoutput>
<hr>
<b>Copied structure values should reflect changes to original.</b><br>
<cfoutput>
// Simple values <br>
StructCopy 695