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41 lines
1.1 KiB
PHP
41 lines
1.1 KiB
PHP
<?php
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declare (strict_types=1);
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namespace Rector\DeadCode\NodeCollector;
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use PhpParser\Node\Param;
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use PhpParser\Node\Stmt\ClassMethod;
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use Rector\NodeAnalyzer\ParamAnalyzer;
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final class UnusedParameterResolver
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{
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/**
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* @readonly
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* @var \Rector\NodeAnalyzer\ParamAnalyzer
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*/
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private $paramAnalyzer;
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public function __construct(ParamAnalyzer $paramAnalyzer)
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{
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$this->paramAnalyzer = $paramAnalyzer;
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}
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/**
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* @return array<int, Param>
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*/
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public function resolve(ClassMethod $classMethod) : array
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{
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/** @var array<int, Param> $unusedParameters */
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$unusedParameters = [];
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foreach ($classMethod->params as $i => $param) {
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// skip property promotion
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/** @var Param $param */
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if ($param->flags !== 0) {
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continue;
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}
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if ($this->paramAnalyzer->isParamUsedInClassMethod($classMethod, $param)) {
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continue;
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}
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$unusedParameters[$i] = $param;
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}
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return $unusedParameters;
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}
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}
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