BP_XProfile_Field::delete( boolean $delete_data = false )

	public function delete( $delete_data = false ) {
		global $wpdb;

		// Prevent deletion if no ID is present.
		// Prevent deletion by url when can_delete is false.
		// Prevent deletion of option 1 since this invalidates fields with options.
		if ( empty( $this->id ) || empty( $this->can_delete ) || ( $this->parent_id && $this->option_order == 1 ) ) {
			return false;
		}

		/**
		 * Fires before the current field instance gets deleted.
		 *
		 * @since BuddyPress 3.0.0
		 *
		 * @param BP_XProfile_Field $this Current instance of the field being deleted. Passed by reference.
		 * @param bool $delete_data Whether or not to delete data.
		 */
		do_action_ref_array( 'xprofile_field_before_delete', array( &$this, $delete_data ) );

		$bp  = buddypress();
		$sql = $wpdb->prepare( "DELETE FROM {$bp->profile->table_name_fields} WHERE id = %d OR parent_id = %d", $this->id, $this->id );

		if ( ! $wpdb->query( $sql ) ) {
			return false;
		}

		// Delete all metadata for this field.
		bp_xprofile_delete_meta( $this->id, 'field' );

		// Delete the data in the DB for this field.
		if ( true === $delete_data ) {
			BP_XProfile_ProfileData::delete_for_field( $this->id );
		}

		/**
		 * Fires after the current field instance gets deleted.
		 *
		 * @since BuddyPress 3.0.0
		 *
		 * @param BP_XProfile_Field $this Current instance of the field being deleted. Passed by reference.
		 * @param bool $delete_data Whether or not to delete data.
		 */
		do_action_ref_array( 'xprofile_field_after_delete', array( &$this, $delete_data ) );

		return true;
	}