laravel4cookbook

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This file should be saved as app/models/Resource.php.
The Resource model is similar to those we’ve seen before; but it also specifies a many-to-many
relationship (in the groups() method). This will allows us to return related groups with $this-
>groups. We’ll use that later!
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The withTimestamps() method will tell Eloquent to update the timestamps of related groups when
resources are updated. You can find out more about it at: http://laravel.com/docs/eloquent#workingwith-pivot-tables
We also need to add the reverse relationship to the Group model:
1 public function resources()
2 {
3 return $this->belongsToMany("Resource")->withTimestamps();
4 }
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This was extracted from app/models/Group.php.
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There really is a lot to relationships in Eloquent; more than we have time to cover now. I will be
going into more detail about these relationships in future tutorials; exploring the different types
and configuration options. For now, this is all we need to complete this chapter.
We can also define relationships for users and groups, as in the following examples:
1 public function users()
2 {
3 return $this->belongsToMany("User")->withTimestamps();
4 }