mirror of https://github.com/rectorphp/rector.git
50 lines
1.4 KiB
PHP
50 lines
1.4 KiB
PHP
<?php
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declare (strict_types=1);
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namespace Rector\Php56\Rector\FuncCall;
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use PhpParser\Node;
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use PhpParser\Node\Expr\BinaryOp\Pow;
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use PhpParser\Node\Expr\FuncCall;
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use Rector\Core\Rector\AbstractRector;
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use Rector\Core\ValueObject\PhpVersionFeature;
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use Rector\VersionBonding\Contract\MinPhpVersionInterface;
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use Symplify\RuleDocGenerator\ValueObject\CodeSample\CodeSample;
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use Symplify\RuleDocGenerator\ValueObject\RuleDefinition;
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/**
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* @see \Rector\Tests\Php56\Rector\FuncCall\PowToExpRector\PowToExpRectorTest
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*/
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final class PowToExpRector extends AbstractRector implements MinPhpVersionInterface
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{
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public function getRuleDefinition() : RuleDefinition
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{
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return new RuleDefinition('Changes pow(val, val2) to ** (exp) parameter', [new CodeSample('pow(1, 2);', '1**2;')]);
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}
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/**
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* @return array<class-string<Node>>
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*/
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public function getNodeTypes() : array
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{
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return [FuncCall::class];
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}
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/**
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* @param FuncCall $node
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*/
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public function refactor(Node $node) : ?Node
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{
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if (!$this->isName($node, 'pow')) {
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return null;
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}
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if ($node->isFirstClassCallable()) {
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return null;
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}
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$firstExpr = $node->getArgs()[0]->value;
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$secondExpr = $node->getArgs()[1]->value;
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return new Pow($firstExpr, $secondExpr);
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}
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public function provideMinPhpVersion() : int
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{
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return PhpVersionFeature::EXP_OPERATOR;
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}
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}
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