92 lines
3.7 KiB
Markdown
92 lines
3.7 KiB
Markdown
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Opis Closure
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====================
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[](https://github.com/opis/closure/actions)
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[](https://packagist.org/packages/opis/closure)
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[](https://packagist.org/packages/opis/closure)
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[](https://packagist.org/packages/opis/closure)
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Serializable closures
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---------------------
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**Opis Closure** is a library that aims to overcome PHP's limitations regarding closure
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serialization by providing a wrapper that will make all closures serializable.
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**The library's key features:**
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- Serialize any closure
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- Serialize arbitrary objects
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- Doesn't use `eval` for closure serialization or unserialization
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- Works with any PHP version that has support for closures
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- Supports PHP 7 syntax
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- Handles all variables referenced/imported in `use()` and automatically wraps all referenced/imported closures for
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proper serialization
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- Handles recursive closures
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- Handles magic constants like `__FILE__`, `__DIR__`, `__LINE__`, `__NAMESPACE__`, `__CLASS__`,
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`__TRAIT__`, `__METHOD__` and `__FUNCTION__`.
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- Automatically resolves all class names, function names and constant names used inside the closure
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- Track closure's residing source by using the `#trackme` directive
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- Simple and very fast parser
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- Any error or exception, that might occur when executing an unserialized closure, can be caught and treated properly
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- You can serialize/unserialize any closure unlimited times, even those previously unserialized
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(this is possible because `eval()` is not used for unserialization)
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- Handles static closures
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- Supports cryptographically signed closures
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- Provides a reflector that can give you information about the serialized closure
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- Provides an analyzer for *SuperClosure* library
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- Automatically detects when the scope and/or the bound object of a closure needs to be serialized
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in order for the closure to work after deserialization
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## Documentation
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The full documentation for this library can be found [here][documentation].
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## License
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**Opis Closure** is licensed under the [MIT License (MIT)][license].
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## Requirements
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* PHP ^5.4 || ^7.0
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## Installation
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**Opis Closure** is available on [Packagist] and it can be installed from a
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command line interface by using [Composer].
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```bash
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composer require opis/closure
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```
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Or you could directly reference it into your `composer.json` file as a dependency
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```json
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{
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"require": {
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"opis/closure": "^3.5"
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}
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}
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```
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### Migrating from 2.x
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If your project needs to support PHP 5.3 you can continue using the `2.x` version
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of **Opis Closure**. Otherwise, assuming you are not using one of the removed/refactored classes or features(see
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[CHANGELOG]), migrating to version `3.x` is simply a matter of updating your `composer.json` file.
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### Semantic versioning
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**Opis Closure** follows [semantic versioning][SemVer] specifications.
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### Arbitrary object serialization
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We've added this feature in order to be able to support the serialization of a closure's bound object.
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The implementation is far from being perfect, and it's really hard to make it work flawless.
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We will try to improve this, but we can't guarantee anything.
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So our advice regarding the `Opis\Closure\serialize|unserialize` functions is to use them with caution.
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[documentation]: https://www.opis.io/closure "Opis Closure"
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[license]: http://opensource.org/licenses/MIT "MIT License"
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[Packagist]: https://packagist.org/packages/opis/closure "Packagist"
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[Composer]: https://getcomposer.org "Composer"
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[SemVer]: http://semver.org/ "Semantic versioning"
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[CHANGELOG]: https://github.com/opis/closure/blob/master/CHANGELOG.md "Changelog"
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