Link js file in php

PHP is completely irrelevant for what you are doing. The generated HTML is what counts.

In your case, you are missing the src attribute. Use

 <script type="text/javascript" src="file.js"></script>

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Psr/log is locked to version 2.0.0 and an update of this package was not requested. - psr/log 2.0.0 requires php >=8.0.0 -> your php version (7.4.26) does not satisfy that requirement.
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