sending multi selected checkbox data to mail recipient

I’m using Smart Grid-Layout Design for Contact Form 7 to send booking info for multiple guests. Most of the data comes through email except the guest info for activities that they have selected. In the table, it just says ‘Array’.

I suspect I need to add extra code to the functions.php file. However, I’m not sure what that should be. Here is the code I’m currently using, and I would be grateful for any assistance. Thank you.

/**

* Center Parcs contact form

*/

add_filter( 'cf7sg_mailtag_cf7sg-form-center-parcs', 'filter_cf7_mailtag_cf7sg_form_center_parcs', 10, 3);

function filter_cf7_mailtag_cf7sg_form_center_parcs($tag_replace, $submitted, $cf7_key){

/*the $tag_replace string to change*/

/*the $submitted an array containing all submitted fields*/

/*the $cf7_key is a unique string key to identify your form, which you can find in your form table in the dashboard.*/

if('center-parcs'==$cf7_key ){

$style = 'style="padding:0 3px;border-collapse:collapse;border-bottom:1px solid black[qtm]';

$tag_replace ='

<table>

<thead><tr><th>Guest Name</th><th>Arrival Date</th><th>Checkout Date</th><th>Lodge Type</th><th>Room Type</th><th>Activities</th></tr></thead>

<tbody>';

if(!empty($submitted['Guest'])){

$style = 'style=[qtm]background-color:#e3e3e3[qtm]';

$row=1;

foreach($submitted['Guest'] as $idx=>$guest){

$tag_replace .=' <tr><td '.($row%2==0?$style:'').'>'.$guest.'</td><td '.($row%2==0?$style:'').'>'.$submitted['Checkindate'][$idx]. '</td><td '.($row%2==0?$style:'').'>'.$submitted['Checkoutdate'][$idx]. '</td><td '.($row%2==0?$style:'').'>'.$submitted['lodge-type'][$idx]. '</td><td '.($row%2==0?$style:'').'>'.$submitted['room-type'][$idx]. '</td><td '.($row%2==0?$style:'').'>'.$submitted['Activities'][$idx]. '</td></tr>'.PHP_EOL;

$row++;

}

}

$tag_replace .='

</tbody>

</table>

';

}

return $tag_replace;

}

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