MachForm Community Forums » MachForm 2

1. mpivon
   Member

   Hello,

   I am interested in creating a form with validation logic that checks to see if a user is from a pre-defined (or authorized) list.

   i.e.: The code would look something like this:

   if ( strcasecmp($inv,"1111") != 0 && strcasecmp($inv,"2222") != 0 && strcasecmp($inv,"3333") != 0 && strcasecmp($inv,"4444") != 0 && strcasecmp($inv,"5555") != 0 )

   {
   die("<p align='center'><font face='Arial' size='3' color='#FF0000'>Registration is only open to recipients with an authorized promo code. Please try again or contact XXXX. </font></p>");
   }

   How would THIS be implemented?

   Posted 16 years ago #
2. 

   yuniar

   Hi,

   To do this you will need to modify two files and add these codes.
   1) Modify includes/post-functions.php, insert the code below into line 772, above the query line.

   //post_validation hook
   if(function_exists("form{$form_id}_hook_post_validation")){
   	$result = call_user_func("form{$form_id}_hook_post_validation",$user_input);
   	if($result !== true){
   		$process_result['custom_error'] = $result;
   	}
   }

   
   This code would call our custom validation code after the built-in validation being called.

   2) Modify hooks/custom_hooks.php, add this code:
   

   function form99_hook_post_validation($user_input){
   
      $inv = $user_input['element_1'];
   
      if ( strcasecmp($inv,"1111") != 0 && strcasecmp($inv,"2222") != 0
      			 && strcasecmp($inv,"3333") != 0 && strcasecmp($inv,"4444") != 0
      			 && strcasecmp($inv,"5555") != 0 ){
      	$status = 'Registration is only open to recipients with an authorized promo code.
      					   Please try again or contact XXXX';
      }else{
      	$status = true;
      }
   
      return $status;
     }

   
   This is our custom validation code.

   In this case my form_id is 99 and my element name is element_1. Simply adjust these to match your form id and element name.

   If those sounds too difficult, send me an email and I'll help you figuring out.

   ---

   MachForm Founder

   Posted 16 years ago #

3. mpivon
   Member

   Okay. Cool. This worked... sort of. However, I have more than one field on the form that requires error checking. So, following your example, I did the following:

   Into "Post-Functions.php" I inserted the following code:

   //post_validation hook

   if(function_exists("form{$form_id}_hook_post_validation")){
$result = call_user_func("form{$form_id}_hook_post_validation",$user_input);
if($result !== true){
$process_result['custom_error'] = $result;
}
}

   //ticket validation hook
if(function_exists("form{$form_id}_hook_tix_validation")){
$result = call_user_func("form{$form_id}_hook_tix_validation",$user_input);
if($result !== true){
$process_result['custom_error'] = $result;
}
}

   THEN... I added the following code to the Hooks file:

   function form2_hook_post_validation($user_input){

$inv = $user_input['element_1'];

// Insert office codes here - these are for ONTARIO ONLY

if (
strcasecmp($inv,"2788") != 0
&& strcasecmp($inv,"2816") != 0
&& strcasecmp($inv,"2906") != 0
&& strcasecmp($inv,"3104") != 0

//Promo code

   && strcasecmp($inv,"9999") != 0
)

{
$status = 'Registration is only open to persons with a valid Promotional code';
}
else{
$status = true;
}
return $status;
}

   function form2_hook_tix_validation($user_input){

   $tix = $user_input['element_7'];

   if (
strcasecmp($tix,"1") != 0
&& strcasecmp($tix,"2") != 0
&& strcasecmp($tix,"3") != 0
&& strcasecmp($tix,"4") != 0
&& strcasecmp($tix,"5") != 0
)

   {
$status = 'Max five tickets';

}

   else{
$status = true;
}

   return $status;
}
   

   So... I can't figure this out? Help?

   Posted 16 years ago #
4. 

   yuniar

   Okay, I think you won't need to create another code inside post-functions.php. You can remove that code.

   Now, what you need to do is to merge the code in hooks/custom_hooks.php
   You've created two function, simple merge the code from form2_hook_tix_validation() to form2_hook_post_validation(). So the whole function would be something like this:

   function form2_hook_post_validation($user_input){
   
   	$inv = $user_input['element_1'];
   
   	// Insert office codes here - these are for ONTARIO ONLY
   	if (strcasecmp($inv,"2788") != 0
   		&& strcasecmp($inv,"2816") != 0
   		&& strcasecmp($inv,"2906") != 0
   		&& strcasecmp($inv,"3104") != 0
   		&& strcasecmp($inv,"9999") != 0)
   	{
   		$inv_status = 'Registration is only open to persons with a valid Promotional code';
   	}
   	else{
   		$inv_status = true;
   	}
   
   	if($inv_status !== true){
   		return $inv_status;
   	}
   
   	$tix = $user_input['element_7'];
   	if (
   		strcasecmp($tix,"1") != 0
   		&& strcasecmp($tix,"2") != 0
   		&& strcasecmp($tix,"3") != 0
   		&& strcasecmp($tix,"4") != 0
   		&& strcasecmp($tix,"5") != 0
   	){
   		$tix_status = 'Max five tickets';
   	}else{
   		$tix_status = true;
   	}
   
   	return $tix_status;
   
   }

   If you have more fields, do the same as above, just add the code into that function.
   Let me know if you have any difficulty.

   ---

   MachForm Founder

   Posted 16 years ago #

5. mpivon
   Member

   That's AWESOME.

   I'm sure that a lot of other folks will (eventually) benefit from this!

   Thanks.

   Posted 16 years ago #
6. 

   yuniar

   That's just great. Glad to help.

   ---

   MachForm Founder

   Posted 16 years ago #

7. mmason
   Member

   I would like to add a post validation hook and I see how this is done from reading these posts. However since I am not blessed with line numbers in the php scripts. Could some one please give me another "landmark" to search for besides a line number as posted by Yuniar about 3 months ago:

   "Modify includes/post-functions.php, insert the code below into line 772, above the query line........"

   Tanks very much,
   Mike

   Posted 16 years ago #
8. 

   yuniar

   Mike, you will need to use text editor which has line numbers.

   One free alternative is to use this: http://notepad-plus.sourceforge.net/uk/site.htm

   "Notepad++ is a free source code editor and Notepad replacement, which supports several programming languages, running under the MS Windows environment."

   ---

   MachForm Founder

   Posted 16 years ago #

9. mmason
   Member

   Yuniar - Thanks very much. - Mike

   Posted 16 years ago #

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