---
title: Di52
url: 'https://brendo.org/wp-content/plugins/easy-appointments/vendor/lucatume/di52'
markdown: 'https://brendo.org/wp-content/plugins/easy-appointments/vendor/lucatume/di52.md'
date: '2026-07-09'
description: 'Change Log All notable changes to this project will be documented in this file. This project adheres to Semantic Versioning. unreleased Unreleased 2.1.5 2021-12-20; Fixed PHP 8.1 compatibility issues (thanks @bordoni) 2.1.4 2021-01-01; Fixed PHP 8 compatibility issues (thanks @bordoni) 2.1.3 20…'
---

# Change Log

All notable changes to this project will be documented in this file. This project adheres to [Semantic Versioning](http://semver.org/).

## [unreleased](https://github.com/lucatume/di52/compare/2.1.5...HEAD) Unreleased

## [2.1.5](https://github.com/lucatume/di52/compare/2.1.4...2.1.5) 2021-12-20;

### Fixed

- PHP 8.1 compatibility issues (thanks @bordoni)

## [2.1.4](https://github.com/lucatume/di52/compare/2.1.3...2.1.4) 2021-01-01;

### Fixed

- PHP 8 compatibility issues (thanks @bordoni)

## [2.1.3](https://github.com/lucatume/di52/compare/2.1.2...2.1.3) 2020-11-02;

### Fixed

- Error messages and format in the context of nested `make` resolution (thanks @Luc45)

## [2.1.2](https://github.com/lucatume/di52/compare/2.1.1...2.1.2) 2020-10-27;

### Fixed

- PHP 5.3 and 7.4 incompatibility issues 
    ### Changed
- moved the builds to GitHub Actions

## [2.1.1](https://github.com/lucatume/di52/compare/2.1.0...2.1.1) 2020-10-23;

### Added

- new build tools to the repository 
    ### Changed
- refactor `Container::callback` code to re-use callbacks when available (thanks @sc0ttkclark) 
    ### Fixed
- fix an issue where the Closure produced by the `callback` method would build the object for static method calls

## [2.1.0](https://github.com/lucatume/di52/compare/2.0.12...2.1.0) – 2020-07-14

### Added

- support for one parameter singletong binding of concrete, instantiatable, classes, thanks @Luc45

## [2.0.12](https://github.com/lucatume/di52/compare/2.0.11...2.0.12) – 2019-10-14

### Added

- add PHPStorm make method auto-completion (thanks @Luc45)

## [2.0.11](https://github.com/lucatume/di52/compare/2.0.10...2.0.11) – 2019-09-26

### Changed

- improve exception throwing to show original exceptions when the building of a bound class, interface or slug fails

## [2.0.10](https://github.com/lucatume/di52/compare/2.0.9...2.0.10) – 2018-10-29

### Fixed

- an issue with array variable handling
- made error message more clear for non-string offsets

## [2.0.9](https://github.com/lucatume/di52/compare/2.0.8...2.0.9) – 2017-09-26

### Fixed

- issue with `setVar` method where, in some instances, variable values could not be overridden

## [2.0.8](https://github.com/lucatume/di52/compare/2.0.7...2.0.8) – 2017-07-18

### Fixed

- check for file existence in autoload script (thanks @truongwp)

## [2.0.7](https://github.com/lucatume/di52/compare/2.0.6...2.0.7) – 2017-06-15

### Fixed

- issue where non registered classes object dependencies would be built just the first time (issue #2)

## [2.0.6](https://github.com/lucatume/di52/compare/2.0.5...2.0.6) – 2017-05-09

### Fixed

- fix handling of unbound interface arguments

## [2.0.5](https://github.com/lucatume/di52/compare/2.0.4...2.0.5) – 2017-02-22

### Changed

- change internal method visibility to improve compatibility with monkey patching libraries

## [2.0.4](https://github.com/lucatume/di52/compare/2.0.3...2.0.4) – 2017-02-22

### Fixed

- allow unbound classes with `__construct` method requirements to be used in `instance` callbacks

## [2.0.3](https://github.com/lucatume/di52/compare/2.0.2...2.0.3) – 2017-02-07

### Fixed

- support for use of `callback` to feed `instance` and viceversa

## [2.0.2](https://github.com/lucatume/di52/compare/2.0.1...2.0.2) – 2017-02-02

### Fixed

- support for built objects in `instance` and `callback` methods

## [2.0.1](https://github.com/lucatume/di52/compare/2.0.0...2.0.1) – 2017-01-23

### Fixed

- an issue where re-binding implementations could lead to built objects still using previous bindings

#### Changed

- removed some dead code left over from previous iterations

## [2.0.0](https://github.com/lucatume/di52/compare/1.4.5...2.0.0) – 2017-01-21

### Added

- `instance` and `callback` methods

### Changed

- refactored the code completely
- the README file to update it to the new code

### Removed

- support for array based construction instructions (see `instance` methods)

## [1.4.5](https://github.com/lucatume/di52/compare/1.4.4...1.4.5) – 2017-01-19

### Fixed

- an issue where singleton resolution would result in circular reference on some Windows versions (thanks @bordoni)

## [1.4.4](https://github.com/lucatume/di52/compare/1.4.3...1.4.4) – 2017-01-09

### Added

- support for binding replacement

## [1.4.3](https://github.com/lucatume/di52/compare/1.4.2...1.4.3) – 2016-10-18

### Changed

- snake\_case method names are now set to camelCase

### Fixed

- an inheritance issue on PHP 5.2
- non PHP 5.2 compatible tests

### Added

- Travis CI support and build

## [1.4.2](https://github.com/lucatume/di52/compare/1.4.1b...1.4.2) – 2016-10-14

### Fixed

- nested dependency resolution issue with interfaces and default values

## [1.4.1b](https://github.com/lucatume/di52/compare/1.4.1...1.4.1b) – 2016-10-14

### Fixed

- pass the `afterBuildMethods` argument along…

## [1.4.1](https://github.com/lucatume/di52/compare/1.4.0...1.4.1) – 2016-10-14

### Fixed

- updated `tad_di512_Container` `bind` and `singleton` methods signatures

## [1.4.0](https://github.com/lucatume/di52/compare/1.3.1...1.4.0) – 2016-10-14

### Added

- more informative exception message when trying to resolve unbound slug or non existing class
- support for after build methods

### Fixed

- another nested dependency resolving issue

## [1.3.2](https://github.com/lucatume/di52/compare/1.3.1...1.3.2) – 2016-07-28

### Fixed

- nested dependency resolving issue

## [1.3.1](https://github.com/lucatume/di52/compare/1.3.0...1.3.1) – 2016-04-19

### Added

- more informative exception message when default primitive value is missing

## [1.3.0](https://github.com/lucatume/di52/compare/1.2.6...1.3.0) – 2016-04-19

### Added

- support for the custom bindings
- support for same class singleton binding

### Changed

- performance optimization

## [1.2.6](https://github.com/lucatume/di52/compare/1.2.5...1.2.6) – 2016-04-11

### Changed

- internal workings to improve performance (using [@TomBZombie benchmarks](https://github.com/TomBZombie/php-dependency-injection-benchmarks)

## [1.2.5](https://github.com/lucatume/di52/compare/1.2.4...1.2.5) – 2016-03-06

### Added

- support for decorator pattern in PHP 5.2 compatible syntax
- code highlighting for code examples in doc (thanks @omarreiss)

## [1.2.4](https://github.com/lucatume/di52/compare/1.2.3...1.2.4) – 2016-03-05

### Added

- tests for uncovered code

## [1.2.3](https://github.com/lucatume/di52/compare/1.2.2...1.2.3) – 2016-03-04

### Fixed

- singleton resolution for same implementations

## [1.2.2](https://github.com/lucatume/di52/compare/1.2.1...1.2.2) – 2016-02-13

- doc updates

## [1.2.1](https://github.com/lucatume/di52/compare/1.2.0...1.2.1) – 2016-02-13

### Added

- `hasTag($tag)` method to the container
- `isBound($classOrInterface)` method to the container
- support for deferred service providers

## [1.2.1](https://github.com/lucatume/di52/compare/1.2.0...1.2.1) – 2016-01-23

### Added

- tagging support
- service providers support

## [1.2.0](https://github.com/lucatume/di52/compare/1.1.2...1.2.0) – 2016-01-22

### Added

- the binding and automatic resolution API ([code inspiration](https://www.ltconsulting.co.uk/automatic-dependency-injection-with-phps-reflection-api/))

## [1.1.2](https://github.com/lucatume/di52/compare/1.0.3...1.1.2) – 2016-01-19

### Fixed

- resolution for objects in arrays

## [1.1.1](https://github.com/lucatume/di52/compare/1.0.3...1.1.2) – 2016-01-19

### Added

- support for the `%varName%` variable notation.

## [1.1.0](https://github.com/lucatume/di52/compare/1.0.3...1.1.0) – 2016-01-18

### Added

- array resolution support for the Array Access API.
- the changelog.
