Laravel，sync() - 如何同步数组并传递额外的数据透视字段?

问题描述

Official Laravel documentation has this on sync() function:

$user->roles()->sync( array( 1, 2, 3 ) );

You may also associate other pivot table values with the given IDs:

$user->roles()->sync( array( 1 => array( 'expires' => true ) ) );

In the latter example only a single pivot row is being added. What I don't understand is how can I associate other pivot table records if there are more than one rows to be synced?

Thanks in advance.

There is now a ->syncWithPivotValues($ids, $pivotValues) method available if you want to set the same pivot value for all synced items.

Example from the doc:

$user->roles()->syncWithPivotValues([1, 2, 3], ['active' => true]);

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