laravel 4 validation unique on two columns [duplicate]

Answer 1

** PLEASE TAKE NOTE: This is for Laravel 4 **

The way unique works (In laravel 4):

unique:{tableName},{columnName}

Try

public static $rules = array(
    'UID' => 'required|unique:{tableName},uid|unique:{tableName},project_id'
);

** PLEASE TAKE NOTE: This is for Laravel 4 ****