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20 changes: 20 additions & 0 deletions docs/behaviors/uploadable.md
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Expand Up @@ -180,6 +180,26 @@ In this case we would be able to change the filename to a field of the entity:

This example will place all avatars of all users in the path `webroot/uploads/Users/`, and saves the file as `5.png` (example).

Validation
-----
To validate the file type before upload it you can use CakePHP validation.


$validator
->add('avatar', 'file', [
'rule' => [
'mimeType', [
'image/jpeg',
'image/png',
'image/bmp',
'image/x-windows-bmp',
'image/gif'
]
],
'message' => 'You are not allow to upload this file'
]);

This example will not allow uploading non-image files unless file content in mimeType list

To Do
-----
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