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Headers already despatched / AJAX

Pixeldust WordPress Developer

i wrote a little bit plugin, who shows a customized kind in frontend and retailer entered information in native DB with connection to MailChimp. With a shortcode.

Now i´m getting an error “headers already despatched..”, everytime when the put up or website be saved with this shortcode. In frontend the plugin works effectively.

See code and screens beneath:



register_activation_hook(FILE, 'on_activate');



operate on_activate() {
    international $wpdb;



///  $table_name = $wpdb->prefix . "subscribe_record";
  ///  $sql = "DROP TABLE IF EXISTS $table_name";
  //  $wpdb->question($sql);
    $create_table_query = "CREATE TABLE IF NOT EXISTS {$wpdb->prefix}subscribe_record (
        id INTEGER NOT NULL AUTO_INCREMENT,
        surename VARCHAR(100),
        title VARCHAR(100),
        e mail VARCHAR(100),
        gender VARCHAR(3),
        avenue VARCHAR(500),
        zip VARCHAR(20),
        metropolis VARCHAR(200),
        package deal VARCHAR(6),
        subscribe INTEGER(11),
        PRIMARY KEY (id))";
    require_once( ABSPATH . 'wp-admin/contains/improve.php' );
    dbDelta($create_table_query);



}



add_action('wp_ajax_insert_subcriber_record', 'insert_subcriber_record');
add_action('wp_ajax_nopriv_insert_subcriber_record', 'insert_subcriber_record');



operate insert_subcriber_record() {
    international $wpdb;



$tablename = $wpdb->prefix . 'subscribe_record';
$surename = isset($_REQUEST['subcriber_surename']) ? $_REQUEST['subcriber_surename'] : '';
$title = isset($_REQUEST['subcriber_name']) ? $_REQUEST['subcriber_name'] : '';
$e mail = isset($_REQUEST['subcriber_email']) ? $_REQUEST['subcriber_email'] : '';
$gender = isset($_REQUEST['subcriber_gender']) ? $_REQUEST['subcriber_gender'] : 'm';
$avenue = isset($_REQUEST['subcriber_street']) ? $_REQUEST['subcriber_street'] : '';
$zip = isset($_REQUEST['subcriber_zip']) ? $_REQUEST['subcriber_zip'] : '';
$metropolis = isset($_REQUEST['subcriber_city']) ? $_REQUEST['subcriber_city'] : '';
$subscribe = isset($_REQUEST['subcribe']) ? $_REQUEST['subcribe'] : 0;
$package deal = isset($_REQUEST['package']) ? $_REQUEST['package'] : 'No';
if($package deal == 'sure'){
    $package deal = 'Sure';
}
if ($subscribe) {
    $subscribe = 1;
}
$information = array(
    'surename' => $surename,
    'title' => $title,
    'e mail' => $e mail,
    'gender' => $gender,
    'avenue' => $avenue,
    'zip' => $zip,
    'metropolis' => $metropolis,
    'package deal' => $package deal,
    'subscribe' => $subscribe

);
if(checkSubsriberCount() > 0) {
    $wpdb->insert($tablename, $information);
}

$response = array();
if ($subscribe) {
    $response['data'] = 'sure';
} else {
   $response['data'] = 'no';
}
echo  json_encode($response);
exit;



}


/** Step 2 (from textual content above). */

add_action('admin_menu', 'subscriber_list_menu');


/** Step 1. */

operate subscriber_list_menu() {

add_options_page('WaterWipes Export', 'WaterWipes Export', 'manage_options', 'subscriber_list', 'subscriber_list_func');

}


/** Step 3. */


operate checkSubsriberCount(){


international $wpdb;

$table_name = $wpdb->prefix . "subscribe_record";

$subscriber = $wpdb->get_results("SELECT * FROM $table_name");
$mailChimpCounter = get_option('mailChimpCounter');

return (int)($mailChimpCounter - depend($subscriber));



}

operate subscriber_list_func() {

if (!current_user_can('manage_options')) {

wp_die(__('You don't have adequate permissions to entry this web page.'));

}


international $wpdb;

$table_name = $wpdb->prefix . "subscribe_record";

$subscriber = $wpdb->get_results("SELECT * FROM $table_name");
$mailChimpCounter = get_option('mailChimpCounter');
?>
<div class="container">
    <h2>Kundenliste</h2>
    <br/><br/>

    <div class="row">
        <div class="col-md-6">
            <div class="form-group">
                <label class="sr-only" for="pwd">Mail Chimp Counter Quantity:</label>
                <enter kind="quantity" worth="<?php echo $mailChimpCounter; ?>" class="form-control" id="txtMailChimp">
            </div>
        </div>
        <div class="col-md-2">
            <button kind="button" class="btn btn-default" id="updateCounter">Submit</button>
        </div>


    </div>
    <div class="row">
        <div class="col-md-11">
            <desk id="instance" class="desk table-striped table-bordered" fashion="width:100%">
                <thead>
                    <tr>
                        <th>Surename</th>
                        <th>Identify</th>
                        <th>Electronic mail</th>
                        <th>Gender</th>
                        <th>Road</th>
                        <th>Zip Code</th>
                        <th>Metropolis</th>
                        <th>Pakcage</th>

                    </tr>
                </thead>
                <tbody>
                    <?php
                    foreach ($subscriber as $checklist) {

                        echo '<tr>';
                        echo '<td>' . $list->surename . '</td>';
                        echo '<td>' . $list->title . '</td>';
                        echo '<td>' . $list->e mail . '</td>';
                        if ($list->gender == 'm') {
                            echo '<td>Male</td>';
                        } else {
                            echo '<td>Feminine</td>';
                        }

                        echo '<td>' . $list->avenue . '</td>';
                        echo '<td>' . $list->zip . '</td>';
                        echo '<td>' . $list->metropolis . '</td>';
                        echo '<td>' . $list->package deal . '</td>';
                        echo '</tr>';
                    }
                    ?>
                </tbody>
                <tfoot>
                    <tr>
                        <th>Surename</th>
                        <th>Identify</th>
                        <th>Electronic mail</th>
                        <th>Gender</th>
                        <th>Road</th>
                        <th>Zip Code</th>
                        <th>Metropolis</th>
                        <th>Pakcage</th>
                    </tr>
                </tfoot>
            </desk>
        </div>


    </div>




</div>
<hyperlink rel='stylesheet' href='https://maxcdn.bootstrapcdn.com/bootstrap/3.3.7/css/bootstrap.min.css' kind='textual content/css' media='all' />
<hyperlink rel='stylesheet' href='https://cdn.datatables.internet/1.10.16/css/dataTables.bootstrap.min.css' kind='textual content/css' media='all' />
<hyperlink rel='stylesheet' href='https://cdn.datatables.internet/buttons/1.5.1/css/buttons.bootstrap.min.css' kind='textual content/css' media='all' />
<script kind='textual content/javascript' src='https://code.jquery.com/jquery-3.3.1.js'></script>
<script kind='textual content/javascript' src='https://cdn.datatables.internet/1.10.16/js/jquery.dataTables.min.js'></script>
<script kind='textual content/javascript' src='https://cdn.datatables.internet/1.10.16/js/dataTables.bootstrap.min.js'></script>
<script kind='textual content/javascript' src='https://cdn.datatables.internet/buttons/1.5.1/js/dataTables.buttons.min.js'></script>
<script kind='textual content/javascript' src='https://cdn.datatables.internet/buttons/1.5.1/js/buttons.bootstrap.min.js'></script>
<script kind='textual content/javascript' src='https://cdnjs.cloudflare.com/ajax/libs/jszip/3.1.3/jszip.min.js'></script>
<script kind='textual content/javascript' src='https://cdnjs.cloudflare.com/ajax/libs/pdfmake/0.1.32/pdfmake.min.js'></script>
<script kind='textual content/javascript' src='https://cdnjs.cloudflare.com/ajax/libs/pdfmake/0.1.32/vfs_fonts.js'></script>
<script kind='textual content/javascript' src='https://cdn.datatables.internet/buttons/1.5.1/js/buttons.html5.min.js'></script>
<script kind='textual content/javascript' src='https://cdn.datatables.internet/buttons/1.5.1/js/buttons.print.min.js'></script>
<script kind='textual content/javascript' src='https://cdn.datatables.internet/buttons/1.5.1/js/buttons.colVis.min.js'></script>

<script>
    $('physique').on('click on', '#updateCounter', operate () {
        var get_number = $('#txtMailChimp').val();
        var r = affirm("Möchten Sie den Zählerstand speichern?");
        if (r == true) {
            var ajaxurl = '<?php echo admin_url('admin-ajax.php'); ?>';

            jQuery.ajax({
                url: ajaxurl,
                information: {quantity: get_number, motion: 'saveMailChimpnumber'},
                technique: 'put up',
                success: operate (response) {

                    alert('Neuer Zählerstand gespeichert!')

                },
                cache: false,
                /// contentType: false,
                /// processData: false
            });
        }

    });
    $(doc).prepared(operate () {
        var desk = $('#instance').DataTable({
            lengthChange: false,
            buttons: ['excel', 'pdf', 'colvis']
        });

        desk.buttons().container()
                .appendTo('#example_wrapper .col-sm-6:eq(0)');
    });
</script>

<?php



}

add_action('wp_ajax_saveMailChimpnumber', 'saveMailChimpnumber');

add_action('wp_ajax_nopriv_saveMailChimpnumber', 'saveMailChimpnumber');

operate saveMailChimpnumber() {

$worth = isset($_REQUEST['number']) ? $_REQUEST['number'] : 1000;

update_option('mailChimpCounter', $worth);

exit;

}

operate subcriberList_shortCode($atts) {

$a = shortcode_atts(array(

'formid' => ''), $atts);

$adminUrl =  admin_url('admin-ajax.php');

?>


        WaterWipes Take a look at


            jQuery(operate ($) {

$('physique').on('click on', '#subcriberSubmitBtn', operate () {

$('.subcriber-response').html('');

var subcriber_surename = $('#subcriber_surename').val();

var subcriber_name = $('#subcriber_name').val();

var subcriber_street = $('#subcriber_street').val();

var subcriber_zip = $('#subcriber_zip').val();

var subcriber_city = $('#subcriber_city').val();

var subcriber_email = $('#subcriber_email').val();

var error = false;

if (subcriber_surename) {

$('#subcriber_surename').css('border-color', '#ccc')

} else {

error = true;

$('#subcriber_surename').css('border-color', '#c91d2e')

}

if (subcriber_name) {

$('#subcriber_name').css('border-color', '#ccc')

} else {

error = true;

$('#subcriber_name').css('border-color', '#c91d2e')

}

if (subcriber_street) {

$('#subcriber_street').css('border-color', '#ccc')

} else {

error = true;

$('#subcriber_street').css('border-color', '#c91d2e')

}

if (subcriber_zip) {

$('#subcriber_zip').css('border-color', '#ccc')

} else {

error = true;

$('#subcriber_zip').css('border-color', '#c91d2e')

}

if (subcriber_city) {

$('#subcriber_city').css('border-color', '#ccc')

} else {

error = true;

$('#subcriber_city').css('border-color', '#c91d2e')

}

if(jQuery("#subcribe").is(":checked")){

if (subcriber_email) {

if (!validateEmail(subcriber_email)) {

$('#subcriber_email').css('border-color', '#c91d2e')

error = true;

}else{

$('#subcriber_email').css('border-color', '#ccc')

}

} else {

error = true;

$('#subcriber_email').css('border-color', '#c91d2e')

}

}else{

$('#subcriber_email').css('border-color', '#ccc')

}

if (error == true) {

$('.subcriber-response').html('Bitte alle erforderlichen Felder ausfüllen.');

return false;

} else {

var elementT = doc.getElementById("subcriberForm");

var ajaxurl = '';

var formdata = new FormData(elementT);

jQuery.ajax({

url: ajaxurl,

information: formdata,

technique: 'POST',

success: operate (response) {

if (response) {

$('.subcriber-response').html('Vielen Dank für deine Nachricht, du erhältst die WaterWipes Probepackung per Put up!');

var obj = jQuery.parseJSON(response);

console.log(obj.information);

$('#subcriber_surename').val('');

$('#subcriber_name').val('');

$('#subcriber_street').val('');

$('#subcriber_zip').val('');

$('#subcriber_city').val('');

$('#subcriber_email').val('');

if (obj.information == 'sure') {

$("#customSubcriber").discover("enter[name='FNAME']").val(subcriber_surename);

$("#customSubcriber").discover("enter[name='LNAME']").val(subcriber_name);

$("#customSubcriber").discover("enter[name='ADDRESS[addr1]']").val(subcriber_street);

$("#customSubcriber").discover("enter[name='ADDRESS[city]']").val(subcriber_city);

$("#customSubcriber").discover("enter[name='ADDRESS[zip]']").val(subcriber_zip);

$("#customSubcriber").discover("enter[name='EMAIL']").val(subcriber_email);

$("#customSubcriber kind").submit();

}

//// location.reload();

} else {

alert('One thing Went Improper, Report Not Up to date');

}

},

cache: false,

contentType: false,

processData: false

});

}

});

});

operate validateEmail($e mail) {

var emailReg = /^([w-.]+@([w-]+.)+[w-]{2,4})?$/;

return emailReg.check($e mail);

}


                     Hier kannst du noch einen Textual content aussuchen 🙂 </p> -->



 Ich möchte WaterWipes testen und freue mich über eine Probepackung


                            Herr

Frau



                    <p><enter kind="e mail" id="subcriber_email" title="subcriber_email" placeholder="E-Mail Adresse" required=""></p>
                    <?php if(checkSubsriberCount() > 0){ ?>
                    <p><enter kind="checkbox" title="subcribe" id="subcribe" worth="sure"><label for="subcribe">Ich möchte den Spinoggelfritz-E-newsletter abonnieren</label></p>
                <?php  }else{ ?>
                     <enter kind="hidden" title="subcribe" worth="sure" >
              <?php  } ?>
                    <p><enter fashion="cursor: pointer;" kind="button" id="subcriberSubmitBtn" worth="Absenden >"></p>
                </ul>
                 <div class="subcriber-response" fashion="padding-bottom: 4px;padding-top: 10px;"></div>
            </div>
        </div>
    </kind>
    <!-- / MailChimp for WordPress Plugin -->
</div>
<div fashion="show: none;" id="customSubcriber">
    <?php
    $formID = $a['formid'];
    echo do_shortcode("[mc4wp_form id='".$formID."']");
    ?>
</div>

<?php



}

add_shortcode('subcribercustomform', 'subcriberList_shortCode');





Thanks for any recommendations. 


rgrds

Johannes