fix closing error.

ddrv · ddrv · commit 2e4649d6f2c7 · 2020-05-08T23:20:53.000+07:00
diff --git a/src/Transport/SmtpTransport.php b/src/Transport/SmtpTransport.php
@@ -152,7 +152,9 @@ private function smtpCommand($command)
 
     public function __destruct()
     {
-        $this->smtpCommand("QUIT");
-        fclose($this->socket);
+        if (is_resource($this->socket)) {
+            $this->smtpCommand("QUIT");
+            fclose($this->socket);
+        }
     }
 }

Original file line number	Diff line number	Diff line change
`@@ -152,7 +152,9 @@ private function smtpCommand($command)`
`152`	`152`
`153`	`153`	`public function __destruct()`
`154`	`154`	`{`
`155`		`- $this->smtpCommand("QUIT");`
`156`		`- fclose($this->socket);`
	`155`	`+ if (is_resource($this->socket)) {`
	`156`	`+ $this->smtpCommand("QUIT");`
	`157`	`+ fclose($this->socket);`
	`158`	`+ }`
`157`	`159`	`}`
`158`	`160`	`}`