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@joshfeck
Created February 25, 2017 20:28
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Add custom email field input validation to check for unique email addresses for each field. You can add this to a site specific plugin.
<?php
//* Please do NOT include the opening php tag, except of course if you're starting with a blank file
function ee_add_unique_email_validation(){
wp_add_inline_script(
'single_page_checkout',
'jQuery( document ).ready(function($) {
$(".ee-reg-qstn-email").addClass("unique");
$.validator.addMethod("unique", function(value, element) {
var parentForm = $(element).closest("form");
var timeRepeated = 0;
if (value != "") {
$(parentForm.find(":text")).each(function () {
if ($(this).val() === value) {
timeRepeated++;
}
});
}
return timeRepeated === 1 || timeRepeated === 0;
}, "* Duplicate! Please use a unique email address");
} );'
);
}
add_action( 'wp_enqueue_scripts', 'ee_add_unique_email_validation', 60 );
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