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Learn how Composer’s `--classmap-authoritative` flag removes runtime directory scans, the trade‑offs it introduces, and how to integrate it into a CI/CD pipeline for faster PHP requests.
Step‑by‑step guide to identify and fix PHP runtime errors—undefined functions, memory limits, syntax errors, and permission issues—using a diagnostic table, ordered checks, and practical verification.
The goal is to clarify how Composer’s autoloading configuration interacts with PHP runtime class resolution when optimized class maps, PSR-4 and PSR-0 rules coexist for the same code base. The integration boundary involves Composer generating static maps and PSR rules that PHP’s SPL autoloader consumes at request time. There is uncertainty about precedence w
Composer platform configuration and platform-check execution timing The goal is to guarantee that the runtime environment validation generated by Composer's platform-check feature runs before any application code is loaded, ensuring that a simulated PHP version and extensions are actually present. When the platform setting is used to fake PHP 8.1 and certain
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