Composer: write a melody with your dependencies
summary
Composer dependency management for PHP: explains composer.json vs composer.lock and how composer install reproduces lockfiles while composer update changes vendor code. Covers semantic versioning and constraint syntax (tilde, caret, ranges), a visual dependency resolver, strategies for resolving composer.lock merge conflicts, applying local fixes with composer-patches until upstream accepts them, and using mirrors or Private Packagist for package availability and license auditing.
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chapters (5)
- 0:00Start
- 7:46Install or update?
- 8:36Installing a dependency
- 9:33Semantic versioning
- 10:35Version constraint and range
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