FileSystem: prevents TypeError

dg · dg · commit b6c3d8d2a7f7 · 2018-08-13T15:43:25.000+02:00
diff --git a/src/Utils/FileSystem.php b/src/Utils/FileSystem.php
@@ -58,7 +58,7 @@ public static function copy(string $source, string $dest, bool $overwrite = true
 
 		} else {
 			static::createDir(dirname($dest));
-			if (@stream_copy_to_stream(fopen($source, 'r'), fopen($dest, 'w')) === false) { // @ is escalated to exception
+			if (($s = @fopen($source, 'r')) && ($d = @fopen($dest, 'w')) && @stream_copy_to_stream($s, $d) === false) { // @ is escalated to exception
 				throw new Nette\IOException("Unable to copy file '$source' to '$dest'. " . self::getLastError());
 			}
 		}

Original file line number	Diff line number	Diff line change
`@@ -58,7 +58,7 @@ public static function copy(string $source, string $dest, bool $overwrite = true`
`58`	`58`
`59`	`59`	`} else {`
`60`	`60`	`static::createDir(dirname($dest));`
`61`		`- if (@stream_copy_to_stream(fopen($source, 'r'), fopen($dest, 'w')) === false) { // @ is escalated to exception`
	`61`	`+ if (($s = @fopen($source, 'r')) && ($d = @fopen($dest, 'w')) && @stream_copy_to_stream($s, $d) === false) { // @ is escalated to exception`
`62`	`62`	`throw new Nette\IOException("Unable to copy file '$source' to '$dest'. " . self::getLastError());`
`63`	`63`	`}`
`64`	`64`	`}`