How To Create Custom Taxonomies Fields In WordPress

<?php

  add_action('category_add_form_fields','extra_category_fields');

  add_action ( 'edit_category_form_fields', 'extra_category_fields');

  //add extra fields to category edit form callback function

  function extra_category_fields( $tag ) {    
  $t_id = $tag->term_id;

  $cat_meta = get_option( "category_$t_id");

  ?>
<tr class="form-field">

  <th scope="row" valign="top"><label for="extra1"><?php _e('Category Sidebar'); ?></label></th>

  <td>

  <select name="Cat_meta[sidebarpage]" id="Cat_meta[sidebarpage]">

  <option value=""> </option>

  <option value="organization" <?php if($cat_meta['sidebarpage']=="organization") echo "selected";?>>Organization Menu </option>

  <option value="culturalbuilding" <?php if($cat_meta['sidebarpage']=="culturalbuilding") echo "selected";?>>Cultural building Menu</option>

  </select>

  <br />

  <?php //echo $cat_meta['sidebarpage'];?>

  <span class="description"><?php _e('Category Sidebar design'); ?></span>

  </td>

  </tr>


<?php

  }


add_action('create_category','save_extra_category_fileds');

  add_action ( 'edited_category', 'save_extra_category_fileds');

  // save extra category extra fields callback function

  function save_extra_category_fileds( $term_id ) {

  if ( isset( $_POST['Cat_meta'] ) ) {

  $t_id = $term_id;

  $cat_meta = get_option( "category_$t_id");

  $cat_keys = array_keys($_POST['Cat_meta']);

  foreach ($cat_keys as $key){

  if (isset($_POST['Cat_meta'][$key])){

  $cat_meta[$key] = $_POST['Cat_meta'][$key];

  }

  }

  //save the option array

  update_option( "category_$t_id", $cat_meta );

  }

  }