mage-eventpress/inc/mep_event_meta.php

<?php 
if ( ! defined( 'ABSPATH' ) ) { die; } // Cannot access pages directly.
add_action( 'add_meta_boxes', 'mep_event_meta_box_add' );
function mep_event_meta_box_add(){
    add_meta_box( 'mep-event-meta', 'Event Venue', 'mep_event_venue_meta_box_cb', 'mep_events', 'normal', 'high' );

    add_meta_box( 'mep-event-price', 'Event Price', 'mep_event_price_meta_box_cb', 'mep_events', 'normal', 'high' );

    add_meta_box( 'mep-event-date', 'Event Date & Time', 'mep_event_date_meta_box_cb', 'mep_events', 'normal', 'high' );
}




function mep_event_venue_meta_box_cb($post){
$values = get_post_custom( $post->ID );
?>

<div class='sec'>
    <label for="mep_ev_1"> Seat Capacity: </label>
    <span><input id='mep_ev_1' type="number" name='mep_total_seat' value='<?php echo $values['mep_total_seat'][0]; ?>'> </span>
</div>


<div class='sec'>
    <label for="mep_ev_2"> Location/Venue: </label>
    <span><input id='mep_ev_2' type="text" name='mep_location_venue' value='<?php echo $values['mep_location_venue'][0]; ?>'> </span>
</div>



<div class='sec'>
    <label for="mep_ev_3"> Street: </label>
    <span><input id='mep_ev_3' type="text" name='mep_street' value='<?php echo $values['mep_street'][0]; ?>'> </span>
</div>



<div class='sec'>
    <label for="mep_ev_4"> City: </label>
    <span><input id='mep_ev_4' type="text" name='mep_city' value='<?php echo $values['mep_city'][0]; ?>'> </span>
</div>



<div class='sec'>
    <label for="mep_ev_5"> State: </label>
    <span><input id='mep_ev_5' type="text" name='mep_state' value='<?php echo $values['mep_state'][0]; ?>'> </span>
</div>



<div class='sec'>
    <label for="mep_ev_6"> Postcode: </label>
    <span><input id='mep_ev_6' type="text" name='mep_postcode' value='<?php echo $values['mep_postcode'][0]; ?>'> </span>
</div>



<div class='sec'>
    <label for="mep_ev_7"> Country: </label>
    <span><input id='mep_ev_7' type="text" name='mep_country' value='<?php echo $values['mep_country'][0]; ?>'> </span>
</div>



<?php
}



function mep_event_price_meta_box_cb($post){
$values = get_post_custom( $post->ID );
?>

<div class='sec'>
    <label for="mep_ev_98"> Show Quantity Input Box: </label>
    <span><input style='text-align: left;width: auto;' id='mep_ev_98' type="checkbox" name='mep_sqi' value='1' <?php $sqi = $values['mep_sqi'][0]; if($sqi==1){ echo 'checked'; } ?> > Yes</span>
</div>


<div class='sec'>
    <label for="mep_ev_8"> Price Label: </label>
    <span><input id='mep_ev_8' type="text" name='mep_price_label' value='<?php echo $values['mep_price_label'][0]; ?>'> </span>
</div>


<div class='sec'>
    <label for="mep_ev_9"> Price: </label>
    <span><input id='mep_ev_9' type="number" name='_price' value='<?php echo $values['_price'][0]; ?>'> </span>
</div>



<?php
}



function mep_event_date_meta_box_cb($post){
$values = get_post_custom( $post->ID );
?>


<div class='sec'>
    <label for="event_start_date"> Start Date & Time: </label>
    <span><input class='event_start' id='event_start_date' type="text" name='mep_event_start_date' value='<?php echo $values['mep_event_start_date'][0]; ?>'> </span>
</div>


<div class='sec'>
    <label for="event_end_date"> End Date & Time: </label>
    <span><input class='event_end' id='event_end_date' type="text" name='mep_event_end_date' value='<?php echo $values['mep_event_end_date'][0]; ?>'> </span>
</div>





<?php
}


add_action('save_post','mep_events_meta_save');
function mep_events_meta_save($post_id){
    global $post; 
    $pid = $post->ID;
    if ($post->post_type != 'mep_events'){
        return;
    }
    //if you get here then it's your post type so do your thing....
    $seat                   = strip_tags($_POST['mep_total_seat']);
    $mep_location_venue     = strip_tags($_POST['mep_location_venue']);
    $mep_street             = strip_tags($_POST['mep_street']);
    $mep_city               = strip_tags($_POST['mep_city']);
    $mep_state              = strip_tags($_POST['mep_state']);
    $mep_postcode           = strip_tags($_POST['mep_postcode']);
    $mep_country            = strip_tags($_POST['mep_country']);
    $mep_price_label        = strip_tags($_POST['mep_price_label']);
    $mep_sqi        = strip_tags($_POST['mep_sqi']);
    $_price                 = strip_tags($_POST['_price']);
    $mep_event_start_date   = strip_tags($_POST['mep_event_start_date']);
    $mep_event_end_date     = strip_tags($_POST['mep_event_end_date']);


    $update_seat                    = update_post_meta( $pid, 'mep_total_seat', $seat);
    $update_seat_stock_status       = update_post_meta( $pid, '_manage_stock', 'yes');
    $update_seat_stock              = update_post_meta( $pid, '_stock', $seat);
$sts_msg = update_post_meta( $pid, '_stock_msg', 'new');
// $ttl_booking = update_post_meta( $pid, 'total_booking', '0');


    $update_location        = update_post_meta( $pid, 'mep_location_venue', $mep_location_venue);
    $update_mep_street      = update_post_meta( $pid, 'mep_street', $mep_street);
    $update_city            = update_post_meta( $pid, 'mep_city', $mep_city);
    $update_mep_state       = update_post_meta( $pid, 'mep_state', $mep_state);
    $update_postcode        = update_post_meta( $pid, 'mep_postcode', $mep_postcode);
    $update_conuntry        = update_post_meta( $pid, 'mep_country', $mep_country);
    $update_sqi     = update_post_meta( $pid, 'mep_sqi', $mep_sqi);
    $update_price_label     = update_post_meta( $pid, 'mep_price_label', $mep_price_label);
    $update_price           = update_post_meta( $pid, '_price', $_price);
    $update_start           = update_post_meta( $pid, 'mep_event_start_date', $mep_event_start_date);
    $update_end             = update_post_meta( $pid, 'mep_event_end_date', $mep_event_end_date);
}


add_action( 'add_meta_boxes', 'mep_meta_box_add' );
function mep_meta_box_add(){
    add_meta_box( 'my-meta-box-id', 'Information', 'mep_meta_box_cb', 'mep_events_attendees', 'normal', 'high' );
}


function mep_meta_box_cb($post){
$values = get_post_custom( $post->ID );
?>
<div class='sec'>
    <label for="my_meta_box_text"> Event: </label>
    <span><?php echo $values['ea_event_name'][0]; ?> </span>
</div>
<div class='sec'>
    <label for="my_meta_box_text"> Full Name: </label>
    <span><?php echo $values['ea_first_name'][0]; ?> <?php echo $values['ea_last_name'][0]; ?></span>
</div>
<div class='sec'>
    <label for="my_meta_box_text">Company: </label>
    <span><?php echo $values['ea_company_name'][0]; ?></span>  
</div>

<div class='sec'>
    <label for="my_meta_box_text">Email: </label>
    <span><?php echo $values['ea_email'][0]; ?></span>  
</div>

<div class='sec'>
    <label for="my_meta_box_text">Phone: </label>
    <span><?php echo $values['ea_phone'][0]; ?></span>  
</div>

<div class='sec'>
    <label for="my_meta_box_text">Addres: </label>
    <span>
    <?php echo $values['ea_address_1'][0]; ?>
    <?php echo $values['ea_address_2'][0]; ?>
      
    </span>  
</div>

<div class='sec'>
    <label for="my_meta_box_text">State: </label>
    <span>
    <?php echo $values['ea_state'][0]; ?>  
    </span>  
</div>

<div class='sec'>
    <label for="my_meta_box_text">City: </label>
    <span>
    <?php echo $values['ea_city'][0]; ?>  
    </span>  
</div>
<div class='sec'>
    <label for="my_meta_box_text">Country: </label>
    <span>
    <?php echo $values['ea_country'][0]; ?>  
    </span>  
</div>

<div class='sec'>
    <label for="my_meta_box_text">Order ID: </label>
    <span>
    <?php echo $values['ea_order_id'][0]; ?>  
    </span>  
</div>
<div class='sec'>
    <span>
    <a href="<?php echo get_site_url(); ?>/wp-admin/post.php?post=<?php echo $values['ea_order_id'][0]; ?>&action=edit" class='button button-primary button-large'>View Order</a>
    </span>  
</div>
<?php
}