// 安装后 将 ~/.composer/vendor/bin/ 添加到 PATH 环境变量中，否则会报命令找不到。

composer global require"squizlabs/php_codesniffer=*"

$ phpcs--help

Usage:phpcs[-nwlsaepqvi][-d key[=value]][--colors][--no-colors]

[--cache[=]][--no-cache][--tab-width=]

[--report=][--report-file=][--report-=

e>]

[--report-width=][--basepath=][--bootstrap=

>]

[--severity=][--error-severity=][--warning-severity=

erity>]

[--runtime-setkey value][--config-setkey value][--config-deletekey][--co

nfig-show]

[--standard=][--sniffs=][--exclude=]

[--encoding=][--parallel=][--generator=]

[--extensions=][--ignore=][--ignore-annotations]

[--stdin-path=][--file-list=]-...

-CheckSTDIN instead of local files and directories

-nDonot print warnings(shortcutfor--warning-severity=0)

-wPrintboth warnings and errors(thisis thedefault)

-lLocaldirectory only,no recursion

-sShowsniff codes in all reports

-aRuninteractively

-eExplaina standard by showing the sniffs it includes

-pShowprogress of the run

-qQuietmode;disables progress and verbose output

-mStoperror messages from being recorded

(saves a lot of memory,but stops many reports from being used)

-vPrintprocessed files

-vvPrintruleset and token output

-vvvPrintsniff processing information

-iShowa list of installed coding standards

-dSetthe[key]php.ini value to[value]or[true]ifvalue is omitted

--helpPrintthishelp message

--versionPrintversion information

--colorsUsecolors in output

--no-colorsDonot use colors in output(thisis thedefault)

--cacheCacheresults between runs

--no-cacheDonot cache results between runs(thisis thedefault)

--ignore-annotationsIgnoreall@codingStandardannotations in code comments

Usea specific fileforcaching(uses a temporary file by defaul

t)

A path to strip from the front of file paths inside reports

A comma separated list of files to run before processing begins

Oneor more files and/or directories to check

A file containing a list of files and/or directories to check(o

ne per line)

Theencoding of the files being checked(defaultis utf-8)

A comma separated list of file extensions to check

(extension filtering only valid when checking a directory)

Thetype of the file can be specified using:ext/type

e.g.,module/php,es/js

Useseither the"HTML","Markdown"or"Text"generator

(forces documentation generation instead of checking)

A comma separated list of patterns to ignore files and directori

es

Howmany files should be checked simultaneously(defaultis1)

Printeither the"full","xml","checkstyle","csv"

"json","junit","emacs","source","summary","diff"

"svnblame","gitblame","hgblame"or"notifysend"report

(the"full"report is printed bydefault)

Writethe report to the specified file path

Howmany columns wide screen reports should be printed

orsetto"auto"to use current screen width,where supported

Theminimum severity required to display an error or warning

A comma separated list of sniff codes to include or exclude from

checking

(all sniffs must be part of the specified standard)

Thename or path of the coding standard to use

Ifprocessing STDIN,the file path that STDIN will be processed

as

Thenumber of spaces each tab represents

$ phpcs-i

Theinstalled coding standards areMySource,PEAR,PSR1,PSR2,SquizandZend

$  phpcs--report=summary downloadexcel.php

PHP CODE SNIFFER REPORT SUMMARY

--------------------------------------------------------------------------------

FILE                                                            ERRORS  WARNINGS

--------------------------------------------------------------------------------

downloadexcel.php515

--------------------------------------------------------------------------------

A TOTAL OF51ERROR(S)AND5WARNING(S)WERE FOUND IN1FILE(S)

--------------------------------------------------------------------------------

Time:1second,Memory:2.50Mb

$ phpcs downloadexcel.php

FILE:downloadexcel.php

--------------------------------------------------------------------------------

FOUND51ERROR(S)AND5WARNING(S)AFFECTING40LINE(S)

--------------------------------------------------------------------------------

1|ERROR|Endof line character is invalid;expected"\n"but found

||"\r\n"

1|ERROR|Missingfile doc comment

3|WARNING|Lineexceeds85characters;contains153characters

178|WARNING|Lineexceeds85characters;contains115characters

179|ERROR|Doccommentforvar[UNKNOWN]does not match actual variable

||name&$data at position1

179|ERROR|Missingparameter name at position1

179|ERROR|Missingcommentforparam"[ UNKNOWN ]"at position1

179|ERROR|Theremust be exactly one blank line before the tags in

||functioncomment

180|ERROR|Lastparameter comment requires a blank newline after it

180|ERROR|Thevariable namesforparameters UNKNOWN(1)and[UNKNOWN]

||(2)donot align

180|ERROR|Doccommentforvar[UNKNOWN]does not match actual variable

||name $fields at position2

180|ERROR|Missingparameter name at position2

180|ERROR|Missingcommentforparam"[ UNKNOWN ]"at position2

183|ERROR|Openingbrace should be on anewline

186|WARNING|Lineexceeds85characters;contains142characters

187|ERROR|Openingparenthesis of a multi-linefunctioncall must be the

||last content on the line

190|ERROR|Expected"if (...) {\n";found"if(...){\n"

190|ERROR|Theremust be a single space between the closing parenthesis

||and the opening brace of a multi-line IF statement;found0

||spaces

192|ERROR|Expected"} else {\n";found"}else{\n"

207|ERROR|Closingparenthesis of a multi-linefunctioncall must be on a

||line by itself

210|ERROR|Spacesmust be used to indent lines;tabs are not allowed

210|ERROR|Doccommentfor"$filename"missing

212|ERROR|Missing@returntag infunctioncomment

213|ERROR|Functionname"export_csv"is prefixedwitha package name but

||does not beginwitha capital letter

213|ERROR|Lineindented incorrectly;expected0spaces,found4

225|ERROR|Spacesmust be used to indent lines;tabs are not allowed

226|ERROR|Spacesmust be used to indent lines;tabs are not allowed

226|ERROR|Lineindented incorrectly;expected0spaces,found2

227|ERROR|Spacesmust be used to indent lines;tabs are not allowed

228|ERROR|Closingbrace indented incorrectly;expected2spaces,found8

229|ERROR|Lineindented incorrectly;expected0spaces,found8

232|ERROR|Lineindented incorrectly;expected4spaces,found12

233|ERROR|Lineindented incorrectly;expected8spaces,found16

234|WARNING|Lineexceeds85characters;contains148characters

237|ERROR|Lineindented incorrectly;expected4spaces,found12

243|ERROR|Lineindented incorrectly;expected0spaces,found8

247|ERROR|Lineindented incorrectly;expected0spaces,found8

248|ERROR|Lineindented incorrectly;expected4spaces,found12

250|ERROR|Lineindented incorrectly;expected8spaces,found16

252|ERROR|Lineindented incorrectly;expected8spaces,found16

258|ERROR|Lineindented incorrectly;expected0spaces,found8

265|ERROR|Lineindented incorrectly;expected0spaces,found8

266|ERROR|Expected"if (...) {\n";found"if(...){\n"

266|ERROR|Lineindented incorrectly;expected4spaces,found12

266|ERROR|Theremust be a single space between the closing parenthesis

||and the opening brace of a multi-line IF statement;found0

||spaces

269|WARNING|Lineexceeds85characters;contains94characters

270|ERROR|Lineindented incorrectly;expected4spaces,found12

271|ERROR|Lineindented incorrectly;expected8spaces,found16

272|ERROR|Lineindented incorrectly;expected12spaces,found20

274|ERROR|Expected"} elseif (...) {\n";found"} elseif(...) {\n"

274|ERROR|Lineindented incorrectly;expected12spaces,found20

277|ERROR|Lineindented incorrectly;expected8spaces,found16

279|ERROR|Nospace found after comma infunctioncall

281|ERROR|Lineindented incorrectly;expected8spaces,found16

285|ERROR|Nospace found after comma infunctioncall

285|ERROR|Nospace found after comma infunctioncall

--------------------------------------------------------------------------------

Time:1second,Memory:2.50Mb

// phpcbf downloadexcel.php 直接覆盖原文件，可以使用 --suffix 指定修复后的代码后缀，生成文件 downloadexcel.php.fixed

$ phpcbf downloadexcel.php--suffix=.fixed

PHPCBF RESULT SUMMARY

----------------------------------------------------------------------

FILE                                                  FIXED  REMAINING

----------------------------------------------------------------------

downloadexcel.php5716

----------------------------------------------------------------------

A TOTAL OF57ERRORS WERE FIXED IN1FILE

----------------------------------------------------------------------

Time:5.36secs;Memory:5Mbhttps://github.com/overtrue/phpmd-rulesets

phpcs/path/to/code--suffix=.fixed