2019-10-13 05:59:52 +00:00
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<?php
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declare(strict_types=1);
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2018-10-04 08:11:54 +00:00
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2019-09-22 18:57:03 +00:00
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namespace Rector\Php56\Rector\FuncCall;
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2018-10-04 08:11:54 +00:00
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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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2020-02-06 21:48:18 +00:00
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use Rector\Core\Rector\AbstractRector;
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use Rector\Core\ValueObject\PhpVersionFeature;
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2020-11-16 17:50:38 +00:00
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use Symplify\RuleDocGenerator\ValueObject\CodeSample\CodeSample;
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use Symplify\RuleDocGenerator\ValueObject\RuleDefinition;
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2018-10-04 08:11:54 +00:00
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2019-09-03 09:11:45 +00:00
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/**
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2021-03-12 22:20:25 +00:00
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* @see \Rector\Tests\Php56\Rector\FuncCall\PowToExpRector\PowToExpRectorTest
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2019-09-03 09:11:45 +00:00
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*/
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2018-10-04 08:11:54 +00:00
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final class PowToExpRector extends AbstractRector
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{
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2020-11-16 17:50:38 +00:00
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public function getRuleDefinition(): RuleDefinition
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2018-10-04 08:11:54 +00:00
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{
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2020-11-16 17:50:38 +00:00
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return new RuleDefinition(
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2018-10-04 08:11:54 +00:00
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'Changes pow(val, val2) to ** (exp) parameter',
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[new CodeSample('pow(1, 2);', '1**2;')]
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);
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}
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/**
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2021-02-27 00:06:15 +00:00
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* @return array<class-string<Node>>
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2018-10-04 08:11:54 +00:00
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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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2018-10-15 04:36:58 +00:00
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* @param FuncCall $node
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2018-10-04 08:11:54 +00:00
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*/
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2018-10-15 04:36:58 +00:00
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public function refactor(Node $node): ?Node
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2018-10-04 08:11:54 +00:00
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{
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2019-12-26 19:54:00 +00:00
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if (! $this->isAtLeastPhpVersion(PhpVersionFeature::EXP_OPERATOR)) {
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return null;
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}
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2018-10-15 04:36:58 +00:00
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if (! $this->isName($node, 'pow')) {
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2018-10-21 10:19:14 +00:00
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return null;
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2018-10-04 08:11:54 +00:00
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}
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2020-12-25 00:22:45 +00:00
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if (count($node->args) !== 2) {
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2018-10-21 10:19:14 +00:00
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return null;
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2018-10-04 08:11:54 +00:00
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}
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2018-10-15 04:36:58 +00:00
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$firstArgument = $node->args[0]->value;
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$secondArgument = $node->args[1]->value;
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2018-10-04 08:11:54 +00:00
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return new Pow($firstArgument, $secondArgument);
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}
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}
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