*/ namespace RankMath\Helpers; /** * Param class. */ class Param { /** * Get field from query string. * * @param string $id Field id to get. * @param mixed $default Default value to return if field is not found. * @param int $filter The ID of the filter to apply. * @param int $flag The ID of the flag to apply. * * @return mixed */ public static function get( $id, $default = false, $filter = FILTER_DEFAULT, $flag = [] ) { return filter_has_var( INPUT_GET, $id ) ? filter_input( INPUT_GET, $id, $filter, $flag ) : $default; } /** * Get field from FORM post. * * @param string $id Field id to get. * @param mixed $default Default value to return if field is not found. * @param int $filter The ID of the filter to apply. * @param int $flag The ID of the flag to apply. * * @return mixed */ public static function post( $id, $default = false, $filter = FILTER_DEFAULT, $flag = [] ) { return filter_has_var( INPUT_POST, $id ) ? filter_input( INPUT_POST, $id, $filter, $flag ) : $default; } /** * Get field from request. * * @param string $id Field id to get. * @param mixed $default Default value to return if field is not found. * @param int $filter The ID of the filter to apply. * @param int $flag The ID of the flag to apply. * * @return mixed */ public static function request( $id, $default = false, $filter = FILTER_DEFAULT, $flag = [] ) { return isset( $_REQUEST[ $id ] ) ? filter_var( $_REQUEST[ $id ], $filter, $flag ) : $default; } /** * Get field from FORM server. * * @param string $id Field id to get. * @param mixed $default Default value to return if field is not found. * @param int $filter The ID of the filter to apply. * @param int $flag The ID of the flag to apply. * * @return mixed */ public static function server( $id, $default = false, $filter = FILTER_DEFAULT, $flag = [] ) { return isset( $_SERVER[ $id ] ) ? filter_var( $_SERVER[ $id ], $filter, $flag ) : $default; } }