# parallel-lint > Check the syntax of PHP files in parallel. > More information: . - Lint a specific directory: `parallel-lint {{path/to/directory}}` - Lint a directory using the specified number of parallel processes: `parallel-lint -j {{processes}} {{path/to/directory}}` - Lint a directory, excluding the specified directory: `parallel-lint --exclude {{path/to/excluded_directory}} {{path/to/directory}}` - Lint a directory of files using a comma-separated list of extension(s): `parallel-lint -e {{php,html,phpt}} {{path/to/directory}}` - Lint a directory and output the results as JSON: `parallel-lint --json {{path/to/directory}}` - Lint a directory and show Git Blame results for rows containing errors: `parallel-lint --blame {{path/to/directory}}`