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psalm:tldr:b6b02
The "psalm" command is a static analysis tool for PHP code. It is used to find and fix errors, bugs, and potential security vulnerabilities in PHP code.
When you run the "psalm" command with a specific file or directory as the parameter, it analyzes the PHP code in that file or directory and provides a detailed report of any issues found. This command helps developers identify and resolve problems in their codebase.
In the command "psalm ${filename_or_directory}", the variable "${filename_or_directory}" represents the path of the file or directory you want to analyze. By specifying a specific file, you can analyze just that file. Alternatively, by providing a directory path, you can analyze all PHP files within that directory and its subdirectories.
By using the "psalm" command, developers can ensure their PHP code is correct, efficient, and secure.