Understanding the @ManyToMany annotation with tags
Tags group posts by topics. A tag contains several posts, and a post has several tags. This is a Many-To-Many bidirectional association. Doctrine manages transparently the association table needed to store Many-To-Many relations at the SQL level. The MySQL schema that will be generated is shown in the following screenshot:
Creating the Tag entity class (inverse side)
The Tag
entity class has only two properties:
name
: This is the name of the tag, it is unique, and is the identifier of the entityposts
: This is the collection of posts associated with this tag
The following are the steps to create the ...
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