fix null response

miladrahimi · miladrahimi · commit 3a4bd0cef0a7 · 2018-08-26T14:58:43.000+04:30
diff --git a/composer.json b/composer.json
@@ -19,6 +19,7 @@
     },
     "require": {
         "php": ">=7.0",
+        "ext-json": "*",
         "zendframework/zend-diactoros": "^1.7"
     },
     "require-dev": {
diff --git a/src/MiladRahimi/PhpRouter/Services/Publisher.php b/src/MiladRahimi/PhpRouter/Services/Publisher.php
@@ -36,6 +36,8 @@ public function __construct()
      */
     public function publish($content)
     {
+        $content = empty($content) ? '' : $content;
+
         $output = fopen($this->stream, 'r+');
 
         if ($content instanceof ResponseInterface) {

Original file line number	Diff line number	Diff line change
`@@ -36,6 +36,8 @@ public function __construct()`
`36`	`36`	`*/`
`37`	`37`	`public function publish($content)`
`38`	`38`	`{`
	`39`	`+ $content = empty($content) ? '' : $content;`
	`40`	`+`
`39`	`41`	`$output = fopen($this->stream, 'r+');`
`40`	`42`
`41`	`43`	`if ($content instanceof ResponseInterface) {`