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Extend

public static function field($type, $key, $id = -1)

public static function value($extend, $value = null)

public static function fields($type, $id = -1)

public static function html($item)

public static function paginate($page = 1, $perpage = 10)

public static function files()

public static function upload($file)

public static function process_image($extend)

public static function process_file($extend)

public static function process_text($extend)

public static function process_html($extend)

public static function process($type, $item)

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