When you had a synched Eloquent model (e.g. without changed values) but
one of those values is `null`, then that value would be considered as
dirty. `Eloquent::changed` returns false, but the value is present in
`Eloquent::get_dirty`.

This fix makes sure that a `null` value in `$attributes` is only
present in `get_dirty` when it wasn't at all *set* in `$original`.

Changed timestamp function in database/eloquent/model.php from protected to public. Allows eloquent model timestamps to be updated without actually changing any data.
git push fork minor/unprotect-eloquent-timestamps
git status
git

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Signed-off-by: Callum McIntyre <mcintyre1994@gmail.com>

Signed-off-by: Josh Miller <josh@joshmmiller.com>

Calling update() on an eloquent model has no way of overriding
the timestamp that should be set if $timestamps is set on the
model. This changes that so it uses the timestamp() function
which is an easy way to over ride the type of timestamps used.

Fix a bug with Eloquent model classes and isset() when eager loading a relationship returns an empty result set.

Signed-off-by: Chris Berthe <chrisberthe@gmail.com>

Signed-off-by: Jason Lewis <jason.lewis1991@gmail.com>

Signed-off-by: Jason Lewis <jason.lewis1991@gmail.com>

Signed-off-by: Jason Lewis <jason.lewis1991@gmail.com>

The __get() magic method runs three checks before giving up but the __isset() method only runs two checks. This syncs the logic to ensure that __get() and __isset() are looking at the same possibilities.

Signed-off-by: Taylor Otwell <taylorotwell@gmail.com>

Signed-off-by: Taylor Otwell <taylorotwell@gmail.com>

Signed-off-by: Joe Wallace <joew@atiba.com>

Signed-off-by: Taylor Otwell <taylorotwell@gmail.com>