ArrayIsDefined and numeric

Every time I post something simple here I walk away learning so many new things! I'm four months into cleaning up craptastic code written in 2008 by a former employee and each pass over the code I'm finding more efficient and more secure ways of doing things. 

ghanna1  wrote Is it possible to check if an Array is defined and in the same CFIF statement check...

That calls for something like

isdefined("myArray"), isdefined("variables.myArray") or structKeyExists(variables,"myArray")

Noticing the part about 1 and 99, I updated my post.

<cfset allAreNumeric_1to99 = true />
<cfswitch expression="#arrayIsDefined(myArray,1)#"><!--- checks if there is at least one item in array --->
     <cfcase value="yes">
          <cfloop from="1" to="#ArrayLen(myArray)#" index="idx">
               <cfif val(myArray[idx]) gte 1 AND val(myArray[idx]) lte 99>
                    <!--- within parameters, do nothing --->
               <cfelse>
                    <cfset allAreNumeric_1to99 = false />
                    <cfbreak />
               </cfif>
          </cfloop>
     </cfcase>
     <cfdefaultcase>It's not an array!  EPIC FAIL!</cfdefaultcase>
</cfswitch>
<cfoutput>#allAreNumeric_1to99#</cfoutput>

HTH,

^ _ ^

Hi Gary,

Sure, you can just use the AND operator to add multiple conditions to the cfif statement:

<cfif ArrayIsDefined(F,2) AND isNumeric(f[2]) AND f[2] GTE 1 AND f[2] LTE 99>

The conditions are evaluated using short circuit logic, so if ArrayIsDefined(F,2) is false, then isNumeric(f[2]) is never executed.

Pete Freitag

Foundeo Inc.

<!---  'gte' assumes that the value of myArray[2] may include 1 or 99. If not, use 'gt' instead --->

<cfif isdefined("variables.myArray") and arrayIsDefined(myArray, 2) and isNumeric(myArray[2]) and (myArray[2]-1)*(99-myArray[2]) gte 0>

</cfif>

or

<cfif structKeyExists(variables, "myArray") and arrayIsDefined(myArray, 2) and isNumeric(myArray[2]) and (myArray[2]-1)*(99-myArray[2]) gte 0>

</cfif>