Ejemplos de Promise::watch en PHP

Ejemplo n.º 1

Archivo: PromiseStream.php Proyecto: nimmen/amp

 public function __construct(Promise $promise)
 {
     $this->valids[$this->readPos] = new Deferred();
     $promise->watch(function ($data) {
         $curPos = $this->writePos;
         $this->writePos++;
         $this->valids[] = new Deferred();
         $this->values[$curPos] = $data;
         $this->valids[$curPos]->succeed(true);
     });
     $promise->when(function ($error, $result) {
         if ($error) {
             $this->valids[$this->writePos]->fail($error);
         } else {
             $curPos = $this->writePos;
             $this->values[$this->writePos++] = $result;
             $this->valids[$curPos]->succeed(false);
         }
     });
 }