Fixes typo on argument type (#20741)

nunomaduro · taylorotwell · commit 559026750804 · 2017-08-24T17:31:32.000-05:00
diff --git a/src/Illuminate/Console/Command.php b/src/Illuminate/Console/Command.php
@@ -228,7 +228,7 @@ public function hasArgument($name)
     /**
      * Get the value of a command argument.
      *
-     * @param  string  $key
+     * @param  string|null  $key
      * @return string|array
      */
     public function argument($key = null)

Original file line number	Diff line number	Diff line change
`@@ -228,7 +228,7 @@ public function hasArgument($name)`
`228`	`228`	`/**`
`229`	`229`	`* Get the value of a command argument.`
`230`	`230`	`*`
`231`		`- * @param string $key`
	`231`	`+ * @param string\|null $key`
`232`	`232`	`* @return string\|array`
`233`	`233`	`*/`
`234`	`234`	`public function argument($key = null)`