// Add term page
function pippin_taxonomy_add_new_meta_field() {
        // this will add the custom meta field to the add new term page
        ?>
        <div class="form-field">
                <label for="term_meta[custom_term_meta]"><?php _e( 'Example meta field', 'pippin' ); ?></label>
                <input type="text" name="term_meta[custom_term_meta]" id="term_meta[custom_term_meta]" value="">
                <p class="description"><?php _e( 'Enter a value for this field','pippin' ); ?></p>
        </div>
<?php
}
add_action( 'personaje_add_form_fields', 'pippin_taxonomy_add_new_meta_field', 10, 2 );

// Edit term page
function pippin_taxonomy_edit_meta_field($term) {

        // put the term ID into a variable
        $t_id = $term->term_id;

        // retrieve the existing value(s) for this meta field. This returns an array
        $term_meta = get_option( "taxonomy_$t_id" ); ?>
        <tr class="form-field">
        <th scope="row" valign="top"><label for="term_meta[custom_term_meta]"><?php _e( 'Example meta field', 'pippin' ); ?></label></th>
                <td>
                        <input type="text" name="term_meta[custom_term_meta]" id="term_meta[custom_term_meta]" value="<?php echo esc_attr( $term_meta['custom_term_meta'] ) ? esc_attr( $term_meta['custom_term_meta'] ) : ''; ?>">
                        <p class="description"><?php _e( 'Enter a value for this field','pippin' ); ?></p>
                </td>
        </tr>
<?php
}
add_action( 'personaje_edit_form_fields', 'pippin_taxonomy_edit_meta_field', 10, 2 );

// Save extra taxonomy fields callback function.
function save_taxonomy_custom_meta( $term_id ) {
        if ( isset( $_POST['term_meta'] ) ) {
                $t_id = $term_id;
                $term_meta = get_option( "taxonomy_$t_id" );
                $cat_keys = array_keys( $_POST['term_meta'] );
                foreach ( $cat_keys as $key ) {
                        if ( isset ( $_POST['term_meta'][$key] ) ) {
                                $term_meta[$key] = $_POST['term_meta'][$key];
                        }
                }
                // Save the option array.
                update_option( "taxonomy_$t_id", $term_meta );
        }
}
add_action( 'edited_category', 'save_taxonomy_custom_meta', 10, 2 );
add_action( 'create_category', 'save_taxonomy_custom_meta', 10, 2 );