Laravel，sync（）-如何同步数组并传递其他数据透视字段？

为了

sync

$user->roles()->sync( array(     1 => array( 'expires' => true ),    2 => array( 'expires' => false ),    ...));

就是

sync( array(     related_id => array( 'pivot_field' => value ),    ...));

编辑

回答评论：

$speakers  = (array) Input::get('speakers'); // related ids$pivotData = array_fill(0, count($speakers), ['is_speaker' => true]);$syncData  = array_combine($speakers, $pivotData);$user->roles()->sync($syncData);