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phpcs — Tokenize PHP, JavaScript, and CSS files to detect violations of a defined set of coding standards. M

Submitted by: @import:tldr-pages·Mar 2, 2026·

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Problem

How to use the phpcs command: Tokenize PHP, JavaScript, and CSS files to detect violations of a defined set of coding standards. More information: <https://github.com/squizlabs/PHP_CodeSniffer>.

Solution

phpcs — Tokenize PHP, JavaScript, and CSS files to detect violations of a defined set of coding standards. More information: <https://github.com/squizlabs/PHP_CodeSniffer>.

Sniff the specified directory for issues (defaults to the PEAR standard):

phpcs {{path/to/directory}}

Display a list of installed coding standards:

phpcs -i

Specify a coding standard to validate against:

phpcs {{path/to/directory}} --standard {{standard}}

Specify comma-separated file extensions to include when sniffing:

phpcs {{path/to/directory}} --extensions {{file_extension1,file_extension2,...}}

Specify the format of the output report (e.g. full, xml, json, summary):

phpcs {{path/to/directory}} --report {{format}}

Set configuration variables to be used during the process:

phpcs {{path/to/directory}} --config-set {{key}} {{value}}

A comma-separated list of files to load before processing:

phpcs {{path/to/directory}} --bootstrap {{path/to/file1,path/to/file2,...}}

Don't recurse into subdirectories:

phpcs {{path/to/directory}} -l

Code Snippets

Sniff the specified directory for issues (defaults to the PEAR standard)

phpcs {{path/to/directory}}

Display a list of installed coding standards

phpcs -i

Specify a coding standard to validate against

phpcs {{path/to/directory}} --standard {{standard}}

Specify comma-separated file extensions to include when sniffing

phpcs {{path/to/directory}} --extensions {{file_extension1,file_extension2,...}}

Specify the format of the output report (e.g. `full`, `xml`, `json`, `summary`)

phpcs {{path/to/directory}} --report {{format}}

Context

tldr-pages: common/phpcs

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