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base repository: symfony/dotenv
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base: v6.4.37
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head repository: symfony/dotenv
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compare: v6.4.39
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  • 1 commit
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  • 1 contributor

Commits on May 6, 2026

  1. [Dotenv] Don't truncate OS env vars containing $ when $_ENV is unpopu… 

    …lated

PR #63955 introduced `loadedRawVars` tracking in `doLoad()`. Its check
`!isset($_ENV[$name])` was meant to protect host-provided environment
variables from being processed by `resolveLoadedVars()`. However, with
PHP's default `variables_order = "GPCS"` (no `E`), OS-provided env vars
are placed in $_SERVER but not in $_ENV when PHP starts.

As a result, an externally provided value like `abc$def` was added to
`loadedRawVars`, and then `resolveLoadedVars()` interpreted the literal
`$` as a variable reference and truncated the value to `abc`.

Mirror the existing behavior of `populate()` which already considers
$_SERVER as a source of pre-existing env vars, so externally provided
values are correctly recognized regardless of `variables_order`.
    @HMAZonderland
    HMAZonderland committed May 6, 2026
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