* * @param string $pattern Pattern to check. * * @return bool|string */ public static function get_route_regex( $pattern ) { // Case-1) Invalid pattern. if ( preg_match( '/[^-<\/_{}()a-zA-Z\d]>/', $pattern ) ) { return false; } // STEP-1) Capture group for ":parameter". $param_chars = '[a-zA-Z\_\-]+'; $allowed_value_chars = '[a-zA-Z0-9-]+'; $allowed_value_number = '[0-9-]+'; // Replace to only numberic value. $pattern = preg_replace( '/<(id)>/', // Replace "". '(?<$1>' . $allowed_value_number . ')', // with "(?[0-9\_\-]+)". $pattern ); // Replace the character exclude the . $pattern = preg_replace( '/<((?!id)' . $param_chars . ')>/', // Replace "". '(?<$1>' . $allowed_value_chars . ')', // with "(?[a-zA-Z0-9\_\-]+)". $pattern ); // HINT : To add start matching condition, add ^. Eg : "@^" . $pattern. // STEP-2) : Adding end matching condition. return '@' . $pattern . '$@D'; } /** * Fetch parameters passed into the endpoint. * * @param string $endpoint_pattern "bbpress/v1/topic/". * @param string $full_url "http://localhost/wp-json/buddyboss-app/bbpress/v1/topic/488". * @param string $parameter "id". * * @return mixed|null */ public static function get_parameter_from_route( $endpoint_pattern, $full_url, $parameter = 'id' ) { $pattern_as_regex = self::get_route_regex( $endpoint_pattern ); $success = preg_match( $pattern_as_regex, $full_url, $matches ); if ( $success ) { if ( is_array( $matches ) && isset( $matches[ $parameter ] ) ) { return $matches[ $parameter ]; } else { return null; } } else { return null; } } /** * Is Route matched or not. * * @param string $endpoint_pattern "bbpress/v1/topic/". * @param string $current_endpoint "bbpress/v1/topic/488". * @param string $request_method "GET|POST". * * @return boolean */ public static function is_matched_from_route( $endpoint_pattern, $current_endpoint, $request_method = 'GET' ) { $pattern_as_regex = self::get_route_regex( $endpoint_pattern ); $success = preg_match( $pattern_as_regex, $current_endpoint, $matches ); if ( $success ) { // phpcs:ignore WordPress.Security.ValidatedSanitizedInput.InputNotValidated if ( is_array( $matches ) && $request_method === $_SERVER['REQUEST_METHOD'] ) { return true; } else { return false; } } } }