Passing select value from a form through php and then out to email -

i trying add form came bootstrap html template. specifically, add select option can't seem passed through php , out email. attach html , php code below.

<select id="selectbasic" name="selectbasic" class="form-control ">   <option value="zombie">zombie volunteer</option>   <option value="sponsor">sponsorship</option> </select> 

what need have in php file pick value?

i tried this...

$body = "below details submitted user on website. <br><br> inquiry type: ".$_post['selectbasic']." <br><br> name: ".$_post['name']." <br><br> email: ".$_post['email']." <br><br> business/organization: ".$_post['phone']." <br><br> comment: ".$_post['comment'].""; 

any appreciated. in advance!

here's complete form:

    <header class="clearfix">         <a href="#" title="register event" class="btn register-trigger"><i    class="fa fa-plus-circle"></i>submit inquiry</a>                 <form id="register" method="post" action="form/register.php">                 <div class="field-wrapper">                     <h3 class="regheading">zombie<span> signup</span></h3>                     <div class="row">                        <div class="form-group">                          <label class="col-md-3 control-label" for="selectbasic">inquiry type</label>                             <div class="col-md-6">                              <select id="selectbasic" name="selectbasic" class="form-control ">                              <option value="zombie">zombie volunteer</option>                              <option value="sponsor">sponsorship</option>                              </select>                             </div>                         </div>                         <br><br>                       <div class="col-md-4 form-row">                         <input type="text" class="form-control" id="name" name="name" placeholder="full name" />                       </div>                       <div class="col-md-4 form-row">                         <input type="tel" class="form-control" id="phone" name="phone" placeholder="business/organization" />                       </div>                       <div class="col-md-4 form-row">                         <input type="email" class="form-control" id="email" name="email" placeholder="email" />                       </div>                       </div>                       <div class="form-row clearfix">                         <textarea cols="60" rows="3" id="comment" name="comment" class="form-control" placeholder="please leave details pertaining inquiry..."></textarea>                       </div>                       <input type="submit" value="submit" class="btn btn-custom btn-lg" id="submit" name="submit" />                  </div>                 </form>                 </header> 

here's complete php (obviously i've changed email address):

    <?php      ///////////////// editable options   /////////////////////      $receiving_email_address = "myemail@domain.com";  // set email address here want receive emails      $receiving_email_address_name = "kristen"; // add name associated email address above.      $custom_subject = "zombie raceinquiry"; // change subject line of email per choice.       // =============================  not edit below line  ======================================     if ((isset($_post['name'])) && (strlen(trim($_post['name'])) > 0)) { $name = stripslashes(strip_tags($_post['name']));     } else {$name = 'no name entered';}     if ((isset($_post['phone'])) && (strlen(trim($_post['phone'])) > 0)) { $phone = stripslashes(strip_tags($_post['phone']));     } else {$phone = 'no phone entered';}     if ((isset($_post['email'])) && (strlen(trim($_post['email'])) > 0)) { $email = stripslashes(strip_tags($_post['email']));     } else {$email = 'no email entered';}     if ((isset($_post['comment'])) && (strlen(trim($_post['comment'])) > 0)) { $comment = stripslashes(strip_tags($_post['comment']));     } else {$phone = 'no phone entered';}     ob_start();       // email building     $to             = $receiving_email_address;     $email          = $_post['email'];     $fromaddress    = $_post['email'];     $fromname       = $_post['name'];     $body = "below details submitted user on website.<br><br>inquiry type: ".$_post['selectbasic']."<br><br>name:           ".$_post['name']."<br><br>email: ".$_post['email']."<br><br>business/organization: ".$_post['phone']."          <br><br>comment: ".$_post['comment']."";      require("phpmailer.php");     $mail = new phpmailer();      $mail->from                     = "$email";     $mail->fromname             = "$fromname";     $mail->addaddress("$receiving_email_address","$receiving_email_address_name");      $mail->ishtml(true);      $mail->subject                  = "$custom_subject";     $mail->body                         = $body;     $mail->altbody                  = "this text-only body";      if(!$mail->send()) {     $recipient                  = '$receiving_email_address'; $subject                        = 'contact form failed'; $content                        = $body;          // send mail     mail($recipient, $subject, $content, "from: $receiving_email_address\r\nreply-to: $email\r\nx-mailer: dt_formmail");     exit;     }     ?>