Term Taxonomy meta example

gistfile1.txt

/**
	 * Add extra category fields
	 * Requires the Term_Taxonomymeta plugin
	 */
	function add_category_excerpt_fields( $category ) {
		if ( ! class_exists( 'Term_Taxonomymeta' ) )
			return;
		$category_metadata = get_metadata( 'term_taxonomy', $category->term_id, 'excerpt', true );	
		?>
		<tr class="form-field">
			<th scope="row" valign="top"><label for="excerpt"><?php _e( 'Excerpt' ) ?></label></th>
			<td>
				<textarea rows="3" cols="40" name='excerpt' id='excerpt_input'><?php echo $category_metadata; ?></textarea>
			</td>
		</tr>
		<?php
	}
	
	/**
	 * Save extra category fields
	 * Requires the Term_Taxonomymeta plugin
	 */
	function save_category_excerpt_fields( $term_id ) {
		if ( class_exists( 'Term_Taxonomymeta' ) ) {
			if ( isset( $_POST['excerpt'] ) ) {
				$category_metadata = wp_kses_post( $_POST['excerpt'] );
				update_metadata( 'term_taxonomy', $term_id, 'excerpt', $category_metadata );
			}
		}
	}