file upload validation GIF JPG BMP SWF CMYK RGB PNG required required minimum size bytes maximum size bytes disabled enabled
file validation
Possible parameters:
'validation' => Array(
Array(
'type' => 'file',
'types' => Array('gif','jpgrgb','png','bmp','swf'),
// feel free to finetune jpg validation:
// - jpgrgb for JPEGs with RGB channel
// - jpgcmyk for JPEGs with CMYK channel
// (some browsers (IE) have problems with
// displaying CMYK JPGs, best to avoid!)
// - jpg for both jpgrgb and jpgcmyk
'minimum' => 123,
'maximum' => 4900, // default value is: ini_get('upload_max_filesize')
'required' => 1 | 0 // default is 1
)
)
