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75 lines
2.2 KiB
PHP
75 lines
2.2 KiB
PHP
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<?php
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declare (strict_types=1);
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namespace Rector\Php82\Rector\Encapsed;
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use PhpParser\Node;
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use PhpParser\Node\Expr\Variable;
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use PhpParser\Node\Scalar\Encapsed;
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use Rector\NodeTypeResolver\Node\AttributeKey;
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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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* @changelog https://wiki.php.net/rfc/deprecate_dollar_brace_string_interpolation
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*
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* @see \Rector\Tests\Php82\Rector\Encapsed\VariableInStringInterpolationFixerRector\VariableInStringInterpolationFixerRectorTest
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*/
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final class VariableInStringInterpolationFixerRector 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('Replace deprecated "${var}" to "{$var}"', [new CodeSample(<<<'CODE_SAMPLE'
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$c = "football";
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echo "I like playing ${c}";
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CODE_SAMPLE
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, <<<'CODE_SAMPLE'
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$c = "football";
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echo "I like playing {$c}";
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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 [Encapsed::class];
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}
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/**
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* @param Encapsed $node
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*/
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public function refactor(Node $node) : ?Node
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{
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$oldTokens = $this->file->getOldTokens();
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$hasChanged = \false;
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foreach ($node->parts as $part) {
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if (!$part instanceof Variable) {
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continue;
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}
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$startTokenPos = $part->getStartTokenPos();
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if (!isset($oldTokens[$startTokenPos])) {
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continue;
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}
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if (!\is_array($oldTokens[$startTokenPos])) {
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continue;
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}
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if ($oldTokens[$startTokenPos][1] !== '${') {
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continue;
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}
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$part->setAttribute(AttributeKey::ORIGINAL_NODE, null);
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$hasChanged = \true;
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}
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if (!$hasChanged) {
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return null;
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}
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return $node;
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}
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public function provideMinPhpVersion() : int
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{
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return PhpVersionFeature::DEPRECATE_VARIABLE_IN_STRING_INTERPOLATION;
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}
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}
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