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Correct check for File subclass

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Simon Welsh 2013-02-18 17:35:17 +13:00
parent 9ecea763c3
commit b81386a431
1 changed files with 1 additions and 1 deletions
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2
filesystem/File.php
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@ -936,7 +936,7 @@ class File extends DataObject {
if(!is_array($exts)) $exts = array($exts);
foreach($exts as $ext) {
if(is_subclass_of($ext, 'File')) {
if(!is_subclass_of($ext, 'File')) {
throw new InvalidArgumentException(
sprintf('Class "%s" (for extension "%s") is not a valid subclass of File', $class, $ext)
);