Permit zero hops to allow messages visible only in the current reques…

…t. Ref: #7

Signed-off-by: Tim Lieberman <[email protected]>

src/FlashMessages.php

@@ -92,12 +92,17 @@ public function flash(string $key, $value, int $hops = 1): void
      * using this method, you may make the value available during the current
      * request as well.
      *
+     * If you want the value to be visible only in the current request, you may
+     * pass zero as the third argument.
+     *
      * @param mixed $value
      */
     public function flashNow(string $key, $value, int $hops = 1): void
     {
         $this->currentMessages[$key] = $value;
-        $this->flash($key, $value, $hops);
+        if ($hops > 0) {
+            $this->flash($key, $value, $hops);
+        }
     }
 
     /**

test/FlashMessagesTest.php

@@ -365,7 +365,14 @@ public function testCreationAggregatesThrowsExceptionIfInvalidNumberOfHops()
                 $this->anything()
             );
 
+        $flash = FlashMessages::createFromSession($this->session);
+        $flash->flash('test', 'value', 0);
+    }
+
+    public function testFlashNowAcceptsZeroHops()
+    {
         $flash = FlashMessages::createFromSession($this->session);
         $flash->flashNow('test', 'value', 0);
+        $this->assertSame('value', $flash->getFlash('test'));
     }
 }