add_ticket_modal.php

<div class="modal" id="addTicketModal" tabindex="-1">
  <div class="modal-dialog modal-lg">
    <div class="modal-content bg-dark">
      <div class="modal-header">
        <h5 class="modal-title"><i class="fa fa-fw fa-tag"></i> New Ticket</h5>
        <button type="button" class="close text-white" data-dismiss="modal">
          <span>&times;</span>
        </button>
      </div>
      <form action="post.php" method="post" autocomplete="off">
        <div class="modal-body bg-white">
          <?php if(isset($_GET['client_id'])){ ?>
            <input type="hidden" name="client" value="<?php echo $client_id; ?>">
            <div class="form-group">
            <label>Contact <strong class="text-danger">*</strong></label>
            <div class="input-group">
              <div class="input-group-prepend">
                <span class="input-group-text"><i class="fa fa-fw fa-user"></i></span>
              </div>
              <select class="form-control select2" name="contact" required>
                <option value="">- Contact -</option>
                <?php 
                
                $sql = mysqli_query($mysqli,"SELECT * FROM contacts WHERE contact_client_id = $client_id ORDER BY contact_name ASC"); 
                while($row = mysqli_fetch_array($sql)){
                  $contact_id = $row['contact_id'];
                  $contact_name = $row['contact_name'];
                ?>
                  <option value="<?php echo $contact_id; ?>" <?php if($primary_contact == $contact_id){ echo "selected"; } ?>><?php echo "$contact_name"; ?></option>
                
                <?php
                }
                ?>
              </select>
            </div>
          </div>
          <?php }else{ ?>
          <div class="form-group">
            <label>Client <strong class="text-danger">*</strong></label>
            <div class="input-group">
              <div class="input-group-prepend">
                <span class="input-group-text"><i class="fa fa-fw fa-user"></i></span>
              </div>
              <select class="form-control select2" name="client" required>
                <option value="">- Client -</option>
                <?php 
                
                $sql = mysqli_query($mysqli,"SELECT * FROM clients WHERE company_id = $session_company_id ORDER BY client_name ASC"); 
                while($row = mysqli_fetch_array($sql)){
                  $client_id = $row['client_id'];
                  $client_name = $row['client_name'];
                ?>
                  <option value="<?php echo $client_id; ?>"><?php echo "$client_name"; ?></option>
                
                <?php
                }
                ?>
              </select>
            </div>
          </div>
          <?php } ?>

          <div class="form-group">
            <label>Assigned to</label>
            <div class="input-group">
              <div class="input-group-prepend">
                <span class="input-group-text"><i class="fa fa-fw fa-user"></i></span>
              </div>
              <select class="form-control select2" name="assigned_to">
                <option value="">Not Assigned</option>
                <?php 
                
                $sql = mysqli_query($mysqli,"SELECT * FROM users, user_companies WHERE users.user_id = user_companies.user_id AND user_companies.company_id = $session_company_id ORDER BY user_name ASC");
                while($row = mysqli_fetch_array($sql)){
                  $user_id = $row['user_id'];
                  $user_name = $row['user_name'];
                ?>
                <option value="<?php echo $user_id; ?>"><?php echo $user_name; ?></option>
                
                <?php
                }
                ?>
              </select>
            </div>
          </div>

          <div class="form-group">
            <label>Priority <strong class="text-danger">*</strong></label>
            <div class="input-group">
              <div class="input-group-prepend">
                <span class="input-group-text"><i class="fa fa-fw fa-thermometer-half"></i></span>
              </div>
              <select class="form-control select2" name="priority" required>
                <option>Low</option>
                <option>Medium</option>
                <option>High</option>
              </select>
            </div>
          </div>
          
          <div class="form-group">
            <label>Subject <strong class="text-danger">*</strong></label>
            <div class="input-group">
              <div class="input-group-prepend">
                <span class="input-group-text"><i class="fa fa-fw fa-tag"></i></span>
              </div>
              <input type="text" class="form-control" name="subject" placeholder="Subject" required>
            </div>
          </div>

          <?php if(!empty($config_smtp_host)){ ?>

          <div class="form-group">
            <div class="custom-control custom-checkbox">
              <input type="checkbox" class="custom-control-input" id="customControlAutosizing" name="email_ticket_updates" value="1" checked>
              <label class="custom-control-label" for="customControlAutosizing">Email ticket updates <span class="text-secondary"><?php echo $contact_email; ?></span></label>
            </div>
          </div>

          <?php } ?>
          
          <div class="form-group">
            <textarea class="form-control summernote" rows="8" name="details"></textarea>
          </div>

        </div>
        <div class="modal-footer bg-white">
          <button type="button" class="btn btn-secondary" data-dismiss="modal">Cancel</button>
          <button type="submit" name="add_ticket" class="btn btn-primary">Save</button>
        </div>
      </form>
    </div>
  </div>
</div>