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Code Issues Releases Wiki Activity

Doc: Move type stripping

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Jakub Vrana
2025-03-29 15:01:51 +01:00
parent 6ea34e3b9a
commit fd1661d811
1 changed files with 2 additions and 1 deletions
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developing.md
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@@ -49,6 +49,8 @@ Simple conditional checks may use `JUSH`, but for complex logic, methods in `Dri
## Backwards Compatibility
Adminer is highly conservative regarding PHP version requirements.
Source codes require PHP 7.4 to take advantage of type declarations.
These type declarations are stripped during compilation to be compatible with PHP 5.3.
PHP 5.3 is still supported because some users cannot upgrade their servers.
Compatibility is periodically [checked](https://github.com/vrana/adminer/blob/v5.0.6/phpcs.xml#L121).
The required PHP version is only increased if it significantly improves the code.
@@ -249,7 +251,6 @@ Includes in Adminer start with `./` to bypass `include_path`, which is unrelated
Compilation also [shrinks](https://github.com/vrana/PhpShrink) PHP code by removing whitespace, comments, and shortening variable names.
This prevents plugins from overwriting Adminer’s variables.
The compiled file is binary, which is valid PHP but not valid UTF-8 - a debatable choice.
Compilation also removes PHP 7 type declarations to be compatible with PHP 5.
Translations used to occupy a large portion of the compiled file.
In the source code, translations map English strings to localized versions.