Format cookie value must be string.

Author: limingxinleo

src/Cookie/Cookie.php

@@ -81,7 +81,7 @@ public function __construct(
  }
 
  $this->name = $name;
- $this->value = $value;
+ $this->value = (string) $value;
  $this->domain = $domain;
  $this->expire = 0 < $expire ? (int) $expire : 0;
  $this->path = empty($path) ? '/' : $path;
@@ -208,7 +208,7 @@ public function getName()
  /**
  * Gets the value of the cookie.
  *
- * @return null|string
+ * @return string
  */
  public function getValue()
  {

src/Server/Response.php

@@ -134,7 +134,15 @@ public function send()
  foreach ($paths ?? [] as $path => $item) {
  foreach ($item ?? [] as $name => $cookie) {
  if ($cookie instanceof Cookie) {
- $this->swooleResponse->cookie($cookie->getName(), $cookie->getValue() ?: 1, $cookie->getExpiresTime(), $cookie->getPath(), $cookie->getDomain(), $cookie->isSecure(), $cookie->isHttpOnly());
+ $this->swooleResponse->cookie(
+ $cookie->getName(),
+ $cookie->getValue(),
+ $cookie->getExpiresTime(),
+ $cookie->getPath(),
+ $cookie->getDomain(),
+ $cookie->isSecure(),
+ $cookie->isHttpOnly()
+ );
  }
  }
  }