Custom validation - only check email field if not blank (Pro)

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Custom validation - only check email field if not blank (Pro)

(2 posts) (2 voices)

Started 3 years ago by johnwasneverhere
Latest reply from Alex

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johnwasneverhere
Member

Hi Alex.. thanks for the great script...

i am hoping i can make this work for my needs... i would like it to be a part opt-in... part survey. But my trick is that i want to make the opt-in optional. i've included a little hack that opens the email field only when the opt-in button is clicked.
you can see this here... http://ketogirl.com/simplecontact_pro/contact2.php

my problem is that even when you don't see the field it is still trying to validate and so it won't click through if the person doesn't want to opt-in. i would love to customize the email validation so that it gives an error if the field doesn't have a @ symbol.. but clicks through to the thank-you.html if the field is blank.

i have tried messing with the class="req" tag and messing with the form.js but my code is not that good...

any ideas?
thanks!!!!

Posted 3 years ago #
Alex
Administrator

This hack does the following:

* JavaScript error for email only IF the opt-in is ticked AND the field does not contain a valid email address

* Server-side error for email only IF the field is not empty AND it does not contain a valid email address

* Server-side script ignores a mailing list opt-in IF a valid email address is not provided

------------------------------------------

Open sc_admin/js/forms.js

Change line 17 to read (all the code below on one line):

if ($("#obj_10").is(":checked") && !isValidEmail($("#email").val())) {
$("#email").addClass("err").after("<p class=\"err\"><em>Please enter
a valid email address</em>"); }

Please note: You must replace obj_10 with the id that the checkbox has in your form. This is dependent on the number of fields in your form.

Open sc_admin/include/contact.php

Change line 29 to read (all the code below on one line):

if (strlen(stripslashes($_POST[$name])) > 0 && !isValidEmail($posted[$name])) {
$errors[$name] = "Please enter a valid email address"; }

Change line 237 to read:

if ($email != "" && isset($_POST[$name]) && $_POST[$name] == 1) {

This should do the job.

Posted 3 years ago #

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