public static function Middleware::tap in Lockr 7.3

Middleware that invokes a callback before and after sending a request.

The provided listener cannot modify or alter the response. It simply "taps" into the chain to be notified before returning the promise. The before listener accepts a request and options array, and the after listener accepts a request, options array, and response promise.

Parameters

callable $before Function to invoke before forwarding the request.:

callable $after Function invoked after forwarding.:

Return value

callable Returns a function that accepts the next handler.

File

vendor/guzzlehttp/guzzle/src/Middleware.php, line 126

Class

Middleware

Functions used to create and wrap handlers with handler middleware.

Namespace

GuzzleHttp

Code

public static function tap(callable $before = null, callable $after = null) {
  return function (callable $handler) use ($before, $after) {
    return function ($request, array $options) use ($handler, $before, $after) {
      if ($before) {
        $before($request, $options);
      }
      $response = $handler($request, $options);
      if ($after) {
        $after($request, $options, $response);
      }
      return $response;
    };
  };
}