10 lines
547 B
Markdown
10 lines
547 B
Markdown
# Type Registry
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**graphql-php** expects that each type in Schema is presented by single instance. Therefore
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if you define your types as separate PHP classes you need to ensure that each type is referenced only once.
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Technically you can create several instances of your type (for example for tests), but `GraphQL\Type\Schema`
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will throw on attempt to add different instances with the same name.
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There are several ways to achieve this depending on your preferences. We provide reference
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implementation below that introduces TypeRegistry class:
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