| 1 | <?php |
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| 14 | trait CanBeFollowed |
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| 15 | { |
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| 16 | /** |
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| 17 | * Check if entity is followed by given entity. |
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| 18 | * |
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| 19 | * @param int|\Illuminate\Database\Eloquent\Model $follower |
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| 20 | * |
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| 21 | * @return bool |
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| 22 | */ |
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| 23 | public function isFollowedBy($follower) |
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| 24 | { |
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| 25 | return $this->followers->contains($follower); |
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| 26 | } |
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| 27 | |||
| 28 | /** |
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| 29 | * Returns the entity that followed this entity. |
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| 30 | * |
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| 31 | * @return \Illuminate\Database\Eloquent\Relations\MorphToMany |
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| 32 | */ |
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| 33 | 1 | public function followers() |
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| 37 | } |
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| 38 |
In PHP it is possible to write to properties without declaring them. For example, the following is perfectly valid PHP code:
Generally, it is a good practice to explictly declare properties to avoid accidental typos and provide IDE auto-completion: