mirror of https://github.com/rectorphp/rector.git
65 lines
1.9 KiB
PHP
65 lines
1.9 KiB
PHP
<?php
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declare (strict_types=1);
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namespace Rector\Php70\Rector\Variable;
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use PhpParser\Node;
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use PhpParser\Node\Expr\PropertyFetch;
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use PhpParser\Node\Expr\Variable;
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use Rector\Rector\AbstractRector;
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use Rector\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\Php70\Rector\Variable\WrapVariableVariableNameInCurlyBracesRector\WrapVariableVariableNameInCurlyBracesRectorTest
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* @changelog https://www.php.net/manual/en/language.variables.variable.php
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*/
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final class WrapVariableVariableNameInCurlyBracesRector extends AbstractRector implements MinPhpVersionInterface
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{
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public function provideMinPhpVersion() : int
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{
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return PhpVersionFeature::WRAP_VARIABLE_VARIABLE;
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}
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public function getRuleDefinition() : RuleDefinition
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{
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return new RuleDefinition('Ensure variable variables are wrapped in curly braces', [new CodeSample(<<<'CODE_SAMPLE'
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function run($foo)
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{
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global $$foo->bar;
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}
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CODE_SAMPLE
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, <<<'CODE_SAMPLE'
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function run($foo)
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{
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global ${$foo->bar};
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}
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CODE_SAMPLE
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)]);
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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 [Variable::class];
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}
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/**
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* @param Variable $node
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*/
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public function refactor(Node $node) : ?Node
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{
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$nodeName = $node->name;
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if (!$nodeName instanceof PropertyFetch && !$nodeName instanceof Variable) {
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return null;
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}
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if ($node->getEndTokenPos() !== $nodeName->getEndTokenPos()) {
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return null;
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}
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if ($nodeName instanceof PropertyFetch) {
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return new Variable(new PropertyFetch($nodeName->var, $nodeName->name));
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}
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return new Variable(new Variable($nodeName->name));
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}
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}
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