concrete/src/File/Service/Application.php
public function unSerializeUploadFileExtensions($types)
    {
        //split by semi-colon
        $types = preg_split('{;}', $types, null, PREG_SPLIT_NO_EMPTY);
        $types = preg_replace('{[^a-z0-9]}i', '', $types);

        return $types;
    }
public function unSerializeUploadFileExtensions($types)
    {
        //split by semi-colon
        $types = preg_split('{;}', $types, null, PREG_SPLIT_NO_EMPTY);
        $types = preg_replace('{[^a-z0-9]}i', '', $types);

        return $types;
    }
public function unSerializeUploadFileExtensions ( $ types ) { //split by semi-colon $ types = preg_split ( '{;}' , $ types , null , PREG_SPLIT_NO_EMPTY ) ; $ types = preg_replace ( '{[^a-z0-9]}i' , '' , $ types ) ; return $ types ; }
Unserializes an array of strings from format suitable for multi-uploader.

example for format:
'*.flv;*.jpg;*.gif;*.jpeg;*.ico;*.docx;*.xla;*.png;*.psd;*.swf;*.doc;*.txt;*.xls;*.csv;*.pdf;*.tiff;*.rtf;*.m4a;*.mov;*.wmv;*.mpeg;*.mpg;*.wav;*.avi;*.mp4;*.mp3;*.qt;*.ppt;*.kml'

@param string $types

@return array
Unserializes an array of strings from format suitable for multi - uploader .