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udovicicudovicic
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Implement rule from #105 
1 parent fde7fc5 commit a439463

31 files changed

+441
-102
lines changed

Diff for: ‎Magento2/Sniffs/Commenting/ClassAndInterfacePHPDocFormattingSniff.php

+121
Original file line numberDiff line numberDiff line change
@@ -0,0 +1,121 @@
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<?php
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/**
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* Copyright © Magento. All rights reserved.
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* See COPYING.txt for license details.
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*/
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namespace Magento2\Sniffs\Commenting;
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use PHP_CodeSniffer\Sniffs\Sniff;
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use PHP_CodeSniffer\Files\File;
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12+
/**
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* Detects PHPDoc formatting for classes and interfaces.
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*/
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class ClassAndInterfacePHPDocFormattingSniff implements Sniff
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{
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/**
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* @var PHPDocFormattingValidator
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*/
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private $PHPDocFormattingValidator;
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/**
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* @var string[] List of tags that can not be used in comments
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*/
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public $forbiddenTags = [
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'@category',
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'@package',
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'@subpackage'
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];
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/**
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* Helper initialisation
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*/
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public function __construct()
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{
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$this->PHPDocFormattingValidator = new PHPDocFormattingValidator();
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}
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/**
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* @inheritDoc
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*/
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public function register()
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{
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return [
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T_CLASS,
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T_INTERFACE
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];
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}
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/**
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* @inheritDoc
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*/
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public function process(File $phpcsFile, $stackPtr)
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{
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$tokens = $phpcsFile->getTokens();
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$namePtr = $phpcsFile->findNext(T_STRING, $stackPtr + 1, null, false, null, true);
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$commentStartPtr = $phpcsFile->findPrevious(
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[
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T_WHITESPACE,
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T_DOC_COMMENT_STAR,
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T_DOC_COMMENT_WHITESPACE,
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T_DOC_COMMENT_TAG,
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T_DOC_COMMENT_STRING,
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T_DOC_COMMENT_CLOSE_TAG
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],
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$stackPtr - 1,
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null,
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true,
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null,
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true
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);
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if ($tokens[$commentStartPtr]['code'] !== T_DOC_COMMENT_OPEN_TAG) {
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return;
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}
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if ($this->PHPDocFormattingValidator->providesMeaning($namePtr, $commentStartPtr, $tokens) !== true) {
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$phpcsFile->addWarning(
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sprintf(
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'%s description should contain additional information beyond the name already supplies.',
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ucfirst($tokens[$stackPtr]['content'])
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),
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$stackPtr,
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'InvalidDescription'
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);
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}
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$this->validateTags($phpcsFile, $commentStartPtr, $tokens);
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}
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/**
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* Validates that forbidden tags are not used in comment
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*
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* @param File $phpcsFile
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* @param int $commentStartPtr
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* @param array $tokens
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* @return bool
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*/
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private function validateTags(File $phpcsFile, $commentStartPtr, $tokens)
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{
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$commentCloserPtr = $tokens[$commentStartPtr]['comment_closer'];
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for ($i = $commentStartPtr; $i <= $commentCloserPtr; $i++) {
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if ($tokens[$i]['code'] !== T_DOC_COMMENT_TAG) {
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continue;
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}
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if (in_array($tokens[$i]['content'], $this->forbiddenTags) === true) {
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$phpcsFile->addWarning(
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sprintf('Tag %s MUST NOT be used.', $tokens[$i]['content']),
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$i,
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'ForbiddenTags'
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);
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}
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}
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return false;
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}
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}

Diff for: ‎Magento2/Sniffs/Commenting/ConstantsPHPDocFormattingSniff.php

+19-30
Original file line numberDiff line numberDiff line change
@@ -13,6 +13,19 @@
1313
*/
1414
class ConstantsPHPDocFormattingSniff implements Sniff
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{
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/**
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* @var PHPDocFormattingValidator
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*/
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private $PHPDocFormattingValidator;
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/**
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* Helper initialisation
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*/
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public function __construct()
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{
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$this->PHPDocFormattingValidator = new PHPDocFormattingValidator();
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}
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1629
/**
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* @inheritDoc
1831
*/
@@ -45,42 +58,18 @@ public function process(File $phpcsFile, $stackPtr)
4558
null,
4659
true
4760
);
48-
$constName = strtolower(trim($tokens[$constNamePtr]['content'], " '\""));
4961

5062
$commentStartPtr = $phpcsFile->findPrevious(T_DOC_COMMENT_OPEN_TAG, $stackPtr - 1, null, false, null, true);
5163
if ($commentStartPtr === false) {
5264
return;
5365
}
5466

55-
$commentCloserPtr = $tokens[$commentStartPtr]['comment_closer'];
56-
for ($i = $commentStartPtr; $i <= $commentCloserPtr; $i++) {
57-
$token = $tokens[$i];
58-
59-
// Not an interesting string
60-
if ($token['code'] !== T_DOC_COMMENT_STRING) {
61-
continue;
62-
}
63-
64-
// Comment is the same as constant name
65-
$docComment = trim(strtolower($token['content']), ',.');
66-
if ($docComment === $constName) {
67-
continue;
68-
}
69-
70-
// Comment is exactly the same as constant name
71-
$docComment = str_replace(' ', '_', $docComment);
72-
if ($docComment === $constName) {
73-
continue;
74-
}
75-
76-
// We have found at lease one meaningful line in comment description
77-
return;
67+
if ($this->PHPDocFormattingValidator->providesMeaning($constNamePtr, $commentStartPtr, $tokens) !== true) {
68+
$phpcsFile->addWarning(
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'Constants must have short description if they add information beyond what the constant name supplies.',
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$stackPtr,
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'MissingConstantPHPDoc'
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);
7873
}
79-
80-
$phpcsFile->addWarning(
81-
'Constants must have short description if they add information beyond what the constant name supplies.',
82-
$stackPtr,
83-
'MissingConstantPHPDoc'
84-
);
8574
}
8675
}

Diff for: ‎Magento2/Sniffs/Commenting/PHPDocFormattingValidator.php

+74
Original file line numberDiff line numberDiff line change
@@ -0,0 +1,74 @@
1+
<?php
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3+
/**
4+
* Copyright © Magento. All rights reserved.
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* See COPYING.txt for license details.
6+
*/
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namespace Magento2\Sniffs\Commenting;
8+
9+
/**
10+
* Helper class for common DocBlock validations
11+
*/
12+
class PHPDocFormattingValidator
13+
{
14+
/**
15+
* Determines if the comment identified by $commentStartPtr provides additional meaning to origin at $namePtr
16+
*
17+
* @param int $namePtr
18+
* @param int $commentStartPtr
19+
* @param array $tokens
20+
* @return bool
21+
*/
22+
public function providesMeaning($namePtr, $commentStartPtr, $tokens)
23+
{
24+
$commentCloserPtr = $tokens[$commentStartPtr]['comment_closer'];
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$name = strtolower(str_replace([' ', '"', '_'], '', $tokens[$namePtr]['content']));
26+
27+
$hasTags = false;
28+
$hasDescription = false;
29+
30+
for ($i = $commentStartPtr; $i <= $commentCloserPtr; $i++) {
31+
$token = $tokens[$i];
32+
33+
// Important, but not the string we are looking for
34+
if ($token['code'] === T_DOC_COMMENT_TAG) {
35+
$hasTags = true;
36+
continue;
37+
}
38+
39+
// Not an interesting string
40+
if ($token['code'] !== T_DOC_COMMENT_STRING) {
41+
continue;
42+
}
43+
44+
// Wrong kind of string
45+
if ($tokens[$i - 2]['code'] === T_DOC_COMMENT_TAG) {
46+
continue;
47+
}
48+
49+
$hasDescription = true;
50+
51+
// Comment is the same as the origin name
52+
$docComment = str_replace(['_', ' ', '.', ','], '', strtolower($token['content']));
53+
if ($docComment === $name) {
54+
continue;
55+
}
56+
57+
// Only difference is word Class or Interface
58+
$docComment = str_replace(['class', 'interface'], '', $docComment);
59+
if ($docComment === $name) {
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continue;
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}
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// We have found at lease one meaningful line in comment description
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return true;
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}
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// Contains nothing but the tags
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if ($hasTags === true && $hasDescription === false) {
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return true;
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}
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return false;
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}
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}

Diff for: ‎Magento2/Tests/CodeAnalysis/EmptyBlockUnitTest.php

-3
Original file line numberDiff line numberDiff line change
@@ -7,9 +7,6 @@
77

88
use PHP_CodeSniffer\Tests\Standards\AbstractSniffUnitTest;
99

10-
/**
11-
* Class EmptyBlockUnitTest
12-
*/
1310
class EmptyBlockUnitTest extends AbstractSniffUnitTest
1411
{
1512
/**

Diff for: ‎Magento2/Tests/Commenting/ClassAndInterfacePHPDocFormattingUnitTest.1.inc

+93
Original file line numberDiff line numberDiff line change
@@ -0,0 +1,93 @@
1+
<?php
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/**
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* Handler for PHP errors/warnings/notices that converts them to exceptions.
5+
*/
6+
class ErrorHandler
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{
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}
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class NotAnErrorHandler
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{
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}
15+
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/**
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* Faulty Handler
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*/
19+
class FaultyHandler
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{
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}
23+
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/**
25+
* Class SomeHandler
26+
*/
27+
class SomeHandler
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{
29+
30+
}
31+
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/**
33+
* YetAnotherHandler
34+
*/
35+
class YetAnotherHandler
36+
{
37+
38+
}
39+
40+
/**
41+
* GreenHandler
42+
* @api Do not confuse tag for faulty short description
43+
*/
44+
class GreenHandler
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{
46+
47+
}
48+
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/**
50+
*
51+
*/
52+
class EmptyHandler
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{
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55+
}
56+
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/**
58+
* Handler for PHP errors/warnings/notices that converts them to exceptions.
59+
*
60+
* @api is ok here
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* @deprecated can be used in this context
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* @author is actually ok
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* @category is irrelevant
64+
* @package is not ment to be used
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* @subpackage does not belong here
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*/
67+
class ExampleHandler
68+
{
69+
70+
}
71+
72+
/**
73+
* @api
74+
* @since 100.0.2
75+
*/
76+
class ApiHandler
77+
{
78+
79+
}
80+
81+
/**
82+
* @api
83+
*/
84+
class AsyncApiHandler
85+
{
86+
87+
}
88+
89+
/**
90+
* @SuppressWarnings(PHPMD.CouplingBetweenObjects)
91+
*/
92+
class GroupRepositoryHandler
93+
{}

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