phpstan

phpstan documentation

Version in Mega-Linter: 1.0.2
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See How to configure phpstan rules
- If custom phpstan.neon.dist config file is not found, phpstan.neon.dist will be used
See How to disable phpstan rules in files

Configuration in Mega-Linter

Enable phpstan by adding PHP_PHPSTAN in ENABLE_LINTERS variable
Disable phpstan by adding PHP_PHPSTAN in DISABLE_LINTERS variable

Variable	Description	Default value
PHP_PHPSTAN_ARGUMENTS	User custom arguments to add in linter CLI call Ex: `-s --foo "bar"`
PHP_PHPSTAN_FILTER_REGEX_INCLUDE	Custom regex including filter Ex: `(src\\|lib)`	Include every file
PHP_PHPSTAN_FILTER_REGEX_EXCLUDE	Custom regex excluding filter Ex: `(test\\|examples)`	Exclude no file
PHP_PHPSTAN_CLI_LINT_MODE	Override default CLI lint mode - `file`: Calls the linter for each file - `list_of_files`: Call the linter with the list of files as argument - `project`: Call the linter from the root of the project	`{linter.cli_lint_mode}`
PHP_PHPSTAN_FILE_EXTENSIONS	Allowed file extensions. `"*"` matches any extension, `""` matches empty extension. Empty list excludes all files Ex: `[".py", ""]`	`[".php"]`
PHP_PHPSTAN_FILE_NAMES_REGEX	File name regex filters. Regular expression list for filtering files by their base names using regex full match. Empty list includes all files Ex: `["Dockerfile(-.+)?", "Jenkinsfile"]`	Include every file
PHP_PHPSTAN_PRE_COMMANDS	List of bash commands to run before the linter	None
PHP_PHPSTAN_POST_COMMANDS	List of bash commands to run after the linter	None
PHP_PHPSTAN_CONFIG_FILE	phpstan configuration file name Use `LINTER_DEFAULT` to let the linter find it	`phpstan.neon.dist`
PHP_PHPSTAN_RULES_PATH	Path where to find linter configuration file	Workspace folder, then Mega-Linter default rules
PHP_PHPSTAN_DISABLE_ERRORS	Run linter but consider errors as warnings	`false`
PHP_PHPSTAN_DISABLE_ERRORS_IF_LESS_THAN	Maximum number of errors allowed	`0`

IDE Integration

Use phpstan in your favorite IDE to catch errors before Mega-Linter !

	IDE	Extension Name	Install
	IDEA	PHPStan / Psalm / Generics
	Visual Studio Code	vscode-phpstan

Mega-Linter Flavours

This linter is available in the following flavours

	Flavor	Description	Embedded linters	Info
	all	Default Mega-Linter Flavor	94
	php	Optimized for PHP based projects	44

Behind the scenes

How are identified applicable files

File extensions: .php

How the linting is performed

phpstan is called once with the list of files as arguments

Example calls

phpstan analyse --no-progress --no-ansi myfile.php

phpstan analyse --no-progress --no-ansi -c phpstan.neon myfile.php

phpstan analyse --no-progress --no-ansi myfile1.php myfile2.php

phpstan analyse --no-progress --no-ansi mydir1/ mydir2/ myfile.php

Help content

Description:
  Analyses source code

Usage:
  analyse [options] [--] [<paths>...]
  analyze

Arguments:
  paths                                        Paths with source code to run analysis on

Options:
  -c, --configuration=CONFIGURATION            Path to project configuration file
  -l, --level=LEVEL                            Level of rule options - the higher the stricter
      --no-progress                            Do not show progress bar, only results
      --debug                                  Show debug information - which file is analysed, do not catch internal errors
  -a, --autoload-file=AUTOLOAD-FILE            Project's additional autoload file path
      --error-format=ERROR-FORMAT              Format in which to print the result of the analysis
      --generate-baseline[=GENERATE-BASELINE]  Path to a file where the baseline should be saved [default: false]
      --memory-limit=MEMORY-LIMIT              Memory limit for analysis
      --xdebug                                 Allow running with XDebug for debugging purposes
      --fix                                    Launch PHPStan Pro
      --watch                                  Launch PHPStan Pro
      --pro                                    Launch PHPStan Pro
  -h, --help                                   Display this help message
  -q, --quiet                                  Do not output any message
  -V, --version                                Display this application version
      --ansi                                   Force ANSI output
      --no-ansi                                Disable ANSI output
  -n, --no-interaction                         Do not ask any interactive question
  -v|vv|vvv, --verbose                         Increase the verbosity of messages: 1 for normal output, 2 for more verbose output and 3 for debug

Installation on mega-linter Docker image

Dockerfile commands :

# Parent descriptor install
RUN wget --tries=5 -q -O phive.phar https://phar.io/releases/phive.phar \
    && wget --tries=5 -q -O phive.phar.asc https://phar.io/releases/phive.phar.asc \
    && PHAR_KEY_ID="0x9D8A98B29B2D5D79" \
    && ( gpg --keyserver keyserver.pgp.com --recv-keys "$PHAR_KEY_ID" \
        || gpg --keyserver ha.pool.sks-keyservers.net --recv-keys "$PHAR_KEY_ID" \
        || gpg --keyserver pgp.mit.edu --recv-keys "$PHAR_KEY_ID" \
        || gpg --keyserver hkps://keyserver.ubuntu.com --recv-keys "$PHAR_KEY_ID" ) \
    && gpg --verify phive.phar.asc phive.phar \
    && chmod +x phive.phar \
    && mv phive.phar /usr/local/bin/phive \
    && rm phive.phar.asc

# Linter install
RUN phive --no-progress install phpstan -g --trust-gpg-keys CF1A108D0E7AE720

Example success log

Results of phpstan linter (version 0.12.58)
See documentation on https://megalinter.github.io/descriptors/php_phpstan/
-----------------------------------------------

[SUCCESS] .automation/test/php/php_good_1.php

     [OK] No errors

[SUCCESS] .automation/test/php/php_good_2.php

     [OK] No errors

Example error log

Results of phpstan linter (version 0.12.58)
See documentation on https://megalinter.github.io/descriptors/php_phpstan/
-----------------------------------------------

[ERROR] .automation/test/php/php_bad_1.php
     ------ ---------------------------------------------- 
      Line   php_bad_1.php                                 
     ------ ---------------------------------------------- 
      3      Invalid numeric literal on line 3             
      3      Invalid numeric literal on line 3             
      3      Syntax error, unexpected '=' on line 3        
      3      Syntax error, unexpected T_LNUMBER on line 3  
      3      Syntax error, unexpected T_STRING on line 3   
      3      Syntax error, unexpected T_STRING on line 3   
     ------ ---------------------------------------------- 

     [ERROR] Found 6 errors                                                         

    ::error file=mp/lint/.automation/test/php/php_bad_1.php,line=3,col=0::Invalid numeric literal on line 3
    ::error file=mp/lint/.automation/test/php/php_bad_1.php,line=3,col=0::Invalid numeric literal on line 3
    ::error file=mp/lint/.automation/test/php/php_bad_1.php,line=3,col=0::Syntax error, unexpected '=' on line 3
    ::error file=mp/lint/.automation/test/php/php_bad_1.php,line=3,col=0::Syntax error, unexpected T_LNUMBER on line 3
    ::error file=mp/lint/.automation/test/php/php_bad_1.php,line=3,col=0::Syntax error, unexpected T_STRING on line 3
    ::error file=mp/lint/.automation/test/php/php_bad_1.php,line=3,col=0::Syntax error, unexpected T_STRING on line 3

[ERROR] .automation/test/php/php_bad_2.php
     ------ ----------------------------------------- 
      Line   php_bad_2.php                            
     ------ ----------------------------------------- 
      15     Syntax error, unexpected '}' on line 15  
     ------ ----------------------------------------- 

     [ERROR] Found 1 error                                                          

    ::error file=mp/lint/.automation/test/php/php_bad_2.php,line=15,col=0::Syntax error, unexpected '}' on line 15