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14 lines
664 B
Markdown
14 lines
664 B
Markdown
# Checking non-PHP files
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Psalm supports the ability to check various PHPish files by extending the `FileChecker` class. For example, if you have a template where the variables are set elsewhere, Psalm can scrape those variables and check the template with those variables pre-populated.
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An example TemplateChecker is provided [here](https://github.com/vimeo/psalm/blob/master/examples/TemplateChecker.php).
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To ensure your custom `FileChecker` is used, you must update the Psalm `fileExtensions` config in psalm.xml:
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```xml
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<fileExtensions>
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<extension name=".php" />
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<extension name=".phpt" checker="path/to/TemplateChecker.php" />
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</fileExtensions>
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```
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