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https://github.com/nielsdeblaauw/php-doc-check
Uses complexity metrics to determine which functions need documentation.
https://github.com/nielsdeblaauw/php-doc-check
automated-testing ci cyclomatic-complexity docblock docblocks hacktoberfest metrics php score
Last synced: 6 days ago
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Uses complexity metrics to determine which functions need documentation.
- Host: GitHub
- URL: https://github.com/nielsdeblaauw/php-doc-check
- Owner: NielsdeBlaauw
- License: mit
- Created: 2019-01-16T12:42:35.000Z (almost 6 years ago)
- Default Branch: master
- Last Pushed: 2024-05-23T14:23:25.000Z (7 months ago)
- Last Synced: 2024-10-17T08:52:03.669Z (2 months ago)
- Topics: automated-testing, ci, cyclomatic-complexity, docblock, docblocks, hacktoberfest, metrics, php, score
- Language: PHP
- Homepage:
- Size: 86.9 KB
- Stars: 42
- Watchers: 3
- Forks: 3
- Open Issues: 11
-
Metadata Files:
- Readme: README.md
- License: LICENSE
Awesome Lists containing this project
README
# php-doc-check
[](https://packagist.org/packages/niels-de-blaauw/php-doc-check)
[](https://travis-ci.org/NielsdeBlaauw/php-doc-check)
[](https://packagist.org/packages/niels-de-blaauw/php-doc-check)
PHP Doc Check is an automated command line tool to determine which functions and
methods could use some more documentation.
By default this script:
- Emits a warning if there is no docblock for non trivial functions (score > 4)
- Emits an error if there is no docblock for complex functions (score > 6)
You can gradually improve documenation on projects by starting with relatively
high limits and slowly moving these limits down.
## Metrics
- [Cognitive Complexity](https://www.sonarsource.com/docs/CognitiveComplexity.pdf) `` is
used to find functions that are complex to read and understand.
- [Cyclomatic Complexity](https://en.wikipedia.org/wiki/Cyclomatic_complexity) is
used to find complex functions with a more traditionl algorithm.
## Installation
### Composer
For now you have to install the beta version.
`composer require --dev niels-de-blaauw/php-doc-check:^0.2.0@dev`
### Phive
`phive install php-doc-check`
## Usage
```
$vendor/bin/php-doc-check -?
Usage: vendor/bin/php-doc-check [options] [...]
Options:
-x, --exclude Directories to exclude, without
slash
-f, --format Output format [text, json]
[default: text]
-o, --reportFile Send report output to a file
-m, --metric Metric to use for determining
complexity
[metrics.complexity.cognitive,
metrics.complexity.cyclomatic,
metrics.deprecated.category,
metrics.deprecated.subpackage,
metrics.complexity.length]
[default:
metrics.complexity.cognitive]
-w, --complexity-warning-threshold Cyclomatic complexity score which
is the lower bound for a warning
[default: 4]
-e, --complexity-error-threshold Cyclomatic complexity score which
is the lower bound for an error
[default: 6]
-$, --file-extension Valid file extensions to scan
[default: php]
-g, --grouping-method Allows different grouping of the
results list [file, none, metric,
severity, fileline] [default: file]
-s, --sorting-method Sorting for the results. Natural
sorts by name for groups and line
for findings. Value uses the
cumulative group score, and finding
score as sorting value. [natural,
value] [default: natural]
-i, --ignore-violations-on-exit Will exit with a zero code, even if
any violations are found
-a, --ignore-anonymous-functions Skip checks on anonymous functions
-?, --help Show this help and quit
-q, --quiet Don't show any output
```
Example first use: `vendor/bin/php-doc-check --exclude vendor ./`
## Examples
This is fine without docblocks (trivial method)
```php
public function get_title() : string{
return strtoupper($this->title);
}
```
This could use some explanation
```php
/**
* Limits the length of the title to a normal sentence, because older titles
* tend to be longer then we can currently show.
*/
public function get_title() : string{
if(strlen($this->title) > 20 ){
if(strpos($this->title,'.') !== false && strpos($this->title,'.') < 20){
[$title] = explode('.', $this->title, 2);
}else{
$title = substr($this->title, 0, 17) . '...';
}
}else{
$title = $this->title;
}
return strtoupper($title);
}
```
## FAQ
Q: Why dont you want if there is no comment at all, regardless of complexity?
A: You can set this software to warn for all functions that are undocumented by
setting `--complexity-error-threshold 1`. However, if you want to force
documentation, you probably want to look into a tool like [php CodeSniffer](https://github.com/squizlabs/PHP_CodeSniffer)
in combination with documentation standards.
Q: Why isn't there a warning/error about complex functions and refactoring,
regardless if they have a DocBlock?
A: You *should* refactor very complex functions. However, adding DocBlocks
for complex function is often easier and safer. This tool only checks the
availability of this type of documentation. Other tools, like [php Mess Detector](https://github.com/phpmd/phpmd),
can help you limit complexity.
## Issues
Issues are in the GitHub tracker: https://github.com/NielsdeBlaauw/php-doc-check/issues