<?php





/*custom post types */
add_action( 'init', 'create_post_types' );
function create_post_types() {

  //vehicles
  register_post_type( 'wel_vehicle',
    array(
      'labels' => array(
        'name' => __( 'Vehicles' ),
        'singular_name' => __( 'Vehicle' )
      ),
      'public' => true,
      'rewrite' => array('slug' => 'vehicles'),
      'supports'=>array( 'title', 'editor', 'thumbnail', 'custom-fields', 'excerpt' )
    )
  );
  

  //furniture
  register_post_type( 'wel_furniture',
    array(
      'labels' => array(
        'name' => __( 'Furniture' ),
        'singular_name' => __( 'Furniture' )
      ),
      'public' => true,
      'rewrite' => array('slug' => 'furniture')
    )
  );
  
  //machinery
  register_post_type( 'wel_machinery',
    array(
      'labels' => array(
        'name' => __( 'Machinery' ),
        'singular_name' => __( 'machinery' )
      ),
      'public' => true,
      'rewrite' => array('slug' => 'machinery')
    )
  );
}


/*custom meta boxes */
add_action('add_meta_boxes','mycustom_meta_box');

//when post is saved
add_action('save_post', 'save_features');


function mycustom_meta_box(){
    add_meta_box('v_feats',__('Vehicle Features','myplugin_text_domain'),
    'mycustom_fields','wel_vehicle');
      
}

function mycustom_fields(){
    //user nonce for verirfication
    wp_nonce_field(plugin_basename(__FILE__),'myplugin_noncename');
    
    //vehicle sale type-rent/sale
    $v_type="<label for=\"vehicle_type\"><strong>For Sale or Rent</strong></label><br>";
    $v_type.="<select name=\"sale_type\" id=sale_type>";
    $v_type.="<option>For Sale</option>";
    $v_type.="<option>To Rent</option>";
    $v_type.="</select><br><br>";
    
    //vehicle price
    $v_type.="<label for=\"price\"><strong>Price</strong></label><br>";
    $v_type.="<input type=\"text\" name=\"v_price\" /><br><br>";
    
    //vehicle condition
    $v_type.="<label for=\"condition\"><strong>Vehicle Condition</strong></label><br>";
    $v_type.="<select name=\"v_condition\">";
    $v_type.="<option>Used</option>";
    $v_type.="<option>New</option>";
    $v_type.="</select><br><br>";
    
    
    //vehicle transmission   
    $v_type.="<label for=\"tranmission\"><strong>Vehicle Transmission</strong></label><br>";
    $v_type.="<select name=\"v_transmission\">";
    $v_type.="<option>Automatic</option>";
    $v_type.="<option>Manual</option>";
    $v_type.="</select><br><br>";
    
    echo $v_type;
}
function save_features($post_id){
    
  // verify this came from the our screen and with proper authorization,
  // because save_post can be triggered at other times

  if ( !wp_verify_nonce( $_POST['myplugin_noncename'], plugin_basename(__FILE__) )) {
    return $post_id;
  }
  // verify if this is an auto save routine. If it is our form has not been submitted, so we dont want
  // to do anything
  if ( defined('DOING_AUTOSAVE') && DOING_AUTOSAVE )  return $post_id;
    
  // Check permissions
  if ( 'page' == $_POST['post_type'] ) {
    if ( !current_user_can( 'edit_page', $post_id ) )
      return $post_id;
  } else {
    if ( !current_user_can( 'edit_post', $post_id ) )
      return $post_id;
  }
  
  // OK, we're authenticated: we need to find and save the data

   update_post_meta($post_id,$sale_type,$_POST['sale_type']); 

}



/*custom taxonomies*/

//vehicle type taxom(from tommy's mamalia,carnivore')
//client can add other vehicle makes e.g hummer toyotajeep
// and query for single model
register_taxonomy('vehicle_make', 'wel_vehicle',
                        array('hierarchical' => false,
                              'label' => 'Vehicle Make',
                              'query_var'  => true,
                              'rewrite' => true));






   



?>

wpextend

wordpress custom post types meta box and  fields

wordpress

PHP