PHP Conference Nagoya 2025

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    Componere (latin, English: compose) targets production environments and provides an API for composition of classes, monkey patching, and casting.

    Composition:

    Componere\Definition is used to define (or redefine) a class at runtime; The class can then be registered, and in the case of redefinition it replaces the original class for as long as the Componere\Definition exists.

    public Componere\Definition::__construct(string $name)
    public Componere\Definition::__construct(string $name, string $parent)
    public Componere\Definition::__construct(string $name, array $interfaces)
    public Componere\Definition::__construct(string $name, string $parent, array $interfaces)

    Patching:

    Componere\Patch is used to change the class of a specific instance of an object at runtime; Upon application the patch will remain applied for as long as the Componere\Patch exists, and can be reverted explicitly.

    public Componere\Patch::__construct(object $instance)
    public Componere\Patch::__construct(object $instance, array $interfaces)

    Casting:

    Componere\ casting functions can cast among user defined compatible types; Where compatible means Type is sub or super to the type of object.

    Componere\cast(Type $type, $object): Type
    Componere\cast_by_ref(Type $type, $object): Type

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