Avoid race condition

Jean85 · PowerKiKi · commit b5057f44b13f · 2017-12-23T14:32:27.000+09:00
diff --git a/src/PhpSpreadsheet/Helper/Sample.php b/src/PhpSpreadsheet/Helper/Sample.php
@@ -141,7 +141,9 @@ private function getTemporaryFolder()
     {
         $tempFolder = sys_get_temp_dir() . '/phpspreadsheet';
         if (!is_dir($tempFolder)) {
-            mkdir($tempFolder);
+            if (! mkdir($tempFolder) && ! is_dir($tempFolder)) {
+                throw new \RuntimeException(sprintf('Directory "%s" was not created', $tempFolder));
+            }
         }
 
         return $tempFolder;

Original file line number	Diff line number	Diff line change
`@@ -141,7 +141,9 @@ private function getTemporaryFolder()`
`141`	`141`	`{`
`142`	`142`	`$tempFolder = sys_get_temp_dir() . '/phpspreadsheet';`
`143`	`143`	`if (!is_dir($tempFolder)) {`
`144`		`- mkdir($tempFolder);`
	`144`	`+ if (! mkdir($tempFolder) && ! is_dir($tempFolder)) {`
	`145`	`+ throw new \RuntimeException(sprintf('Directory "%s" was not created', $tempFolder));`
	`146`	`+ }`
`145`	`147`	`}`
`146`	`148`
`147`	`149`	`return $tempFolder;`