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Hi, I'm running into an issue retrieve data values from a registration submission form. The form is using a POST method Please see code below. More codes above, just a small snippet ... <div id="s2member-pro-paypal-registration-form-email-div" class="s2member-pro-paypal-form-div s2member-pro-paypal-registration-form-div s2member-pro-paypal-form-email-div s2member-pro-paypal-registration-form-email-div"> <label for="s2member-pro-paypal-registration-email" id="s2member-pro-paypal-registration-form-email-label" class="s2member-pro-paypal-form-email-label s2member-pro-paypal-registration-form-email-label"> <span><?php echo _x ("Email Address", "s2member-front", "s2member"); ?> </span><span class="red-asterik">∗</span><br /> </label> <input type="text" aria-required="true" data-expected="email" maxlength="100" autocomplete="off" name="s2member_pro_paypal_registration[email]" id="s2member-pro-paypal-registration-email" class="s2member-pro-paypal-email s2member-pro-paypal-registration-email" value="%%email_value%%" tabindex="40" /> </div> ... <div id="s2member-pro-paypal-registration-form-submit-div" class="s2member-pro-paypal-form-div s2member-pro-paypal-registration-form-div s2member-pro-paypal-form-submit-div s2member-pro-paypal-registration-form-submit-div"> %%hidden_inputs%% <!-- Auto-filled by the s2Member software. Do NOT remove this under any circumstance. --> <input type="submit" name="registration_submit" id="s2member-pro-paypal-registration-submit" class="s2member-pro-paypal-submit s2member-pro-paypal-registration-submit" value="<?php echo esc_attr (_x ("Register", "s2member-front", "s2member")); ?>" tabindex="400" /> </div> <div style="clear:both;"></div> </div> For this example, I have the following: // Store POST data into a variable $email = esc_attr($_POST['s2member_pro_paypal_registration[email]']); // Detect Submission if (!isset($_POST['registration_submit'])){ // Do nothing } else { // Check it var_dump($email); } This seems like it's correct but I wasn't able to retrieve the POST data and var_dump() was returning an empty string. Does anyone know why and should I post up more codes for more assistance? Thank you, Hal