Macromedia coldfusion 4.5-cfml language reference User Manual
Chapter 2: ColdFusion Functions
385
IsArray
Returns TRUE if value is an array.
See also
“Array Functions” on page 245
.
Syntax
IsArray(
value [, number ])
value
Variable name or array name.
number
Tests if the array has exactly the specified dimension.
Examples
<!--- This example shows IsArray --->
<HTML>
<HEAD>
<TITLE>IsArray Example</TITLE>
</HEAD>
<HTML>
<HEAD>
<TITLE>IsArray Example</TITLE>
</HEAD>
<BODY>
<H3>IsArray Example</H3>
<H3>IsArray Example</H3>
<!--- Make an array --->
<CFSET MyNewArray = ArrayNew(1)>
<!--- set some elements --->
<CFSET MyNewArray[1] = "element one">
<CFSET MyNewArray[2] = "element two">
<CFSET MyNewArray[3] = "element three">
<!--- is it an array? --->
<CFOUTPUT>
<CFSET MyNewArray = ArrayNew(1)>
<!--- set some elements --->
<CFSET MyNewArray[1] = "element one">
<CFSET MyNewArray[2] = "element two">
<CFSET MyNewArray[3] = "element three">
<!--- is it an array? --->
<CFOUTPUT>
<P>Is this an array? #IsArray(MyNewArray)#
<P>It has #ArrayLen(MyNewArray)# elements.
<P>Contents: #ArrayToList(MyNewArray)#
<P>It has #ArrayLen(MyNewArray)# elements.
<P>Contents: #ArrayToList(MyNewArray)#
</CFOUTPUT>
</BODY>
</HTML>
</HTML>