User Guide

384 Chapter 3: ColdFusion Functions
ArrayMax
Description
Array maximum function.
Returns
The largest numeric value in an array. If the array parameter value is an empty array, returns
zero.
Category
Array functions
Function syntax
ArrayMax(array)
Parameters
Example
<h3>ArrayMax Example</h3>
<p>This example uses ArrayMax to find the largest number in an array.<br> </p>
<!--- After checking whether the form has been submitted, the code creates an
array
and assigns the form fields to the first two elements in the array. ---->
<cfif IsDefined("FORM.submit")>
<cfset myNumberArray = ArrayNew(1)>
<cfset myNumberArray[1] = number1>
<cfset myNumberArray[2] = number2>
<cfif Form.Submit is "Maximum Value">
<!--- use ArrayMax to find the largest number in the array --->
<p>The largest number that you entered is
<cfoutput>#ArrayMax(myNumberArray)#.</cfoutput>
</cfif>
</cfif>
<!---- The following form provides two numeric fields that are compared when
the
form is submitted. --->
<form action = "arraymax.cfm">
<input type = "hidden" name = "number1_Float">
<input type = "hidden" name = "number2_Float">
<input type = "text" name = "number1"><br>
<input type = "text" name = "number2"><br>
<input type = "submit" name = "submit" value = "Maximum Value">
</form>
Parameter Description
array Name of an array