Creating the BuddyPress profile field

Woffice_Members_Map.php

<?php

/**
 * Class Woffice_Members_Map
 *
 * This class handles the Members Map backend actions and callbacks.
 *
 * As well as the render part
 *
 */
class Woffice_Members_Map
{
	/**
	 * Our BuddyPress Xprofile Field name
	 *
	 * @var string
	 */
	private $fieldName = 'Location';


	/**
	 * Woffice_Members_Map constructor.
	 *
	 *
	 */
	public function __construct()
	{

		// We only run this class if BuddyPress is enabled and so is the xProfile component
		if (!function_exists('bp_is_active') || !bp_is_active('xprofile')) {
			return;
		}

		// WordPress Actions
		add_action('xprofile_updated_profile', array($this, 'createProfileField'));

	}

	/**
	 * This function creates the BuddyPress Xprofile field
	 *
	 * It's hooked to the `xprofile_updated_profile` action, so it will be called on every profile update.
	 */
	public function createProfileField()
	{
		global $wpdb;

		// We look for an existing field
		$sql = 'SELECT `id`, `type` FROM '. $wpdb->prefix .'bp_xprofile_fields WHERE `name` = "'. $this->fieldName .'"';
		$field = $wpdb->get_results($sql);

		// We do not recreate it
		if (count($field) > 0) {
			return;
		}

		xprofile_insert_field(
			array (
				'field_group_id'  => 1,
				'can_delete'      => true,
				'type'            => 'textbox',
				'description'     => __('This address will be used on the members directory map, please make sure this address is valid for Google Map.','woffice'),
				'name'            => $this->fieldName,
				'field_order'     => 1,
				'is_required'     => false,
			)
		);
	}
}