Programming ColdFusion

Name

IsArray

Synopsis

IsArray(value [, dimension])

Returns True if the value specified is an array. In addition, IsArray( ) can check to see if the array is a specified dimension (1, 2, or 3). Examples:

<CFSET Form.MyFormVar = "This is a form variable">
<CFSET URL.MyURLVar = "This is a URL variable">
<CFSET Grades = ArrayNew(1)>
<CFSET Grades[1] = 95>
<CFSET Grades[2] = 93>
<CFSET Grades[3] = 87>
<CFSET Grades[4] = 100>
<CFSET Grades[5] = 74>

<CFIF IsArray(Form.MyFormVar)>
  Form.MyFormVar is an array!
<CFELSEIF IsArray(URL.MyURLVar)>
  URL.MyURLVar is an array!
<CFELSEIF IsArray(Grades)>
  Grades is an array!
<CFELSE>
  No variables are arrays!
</CFIF>