2019-10-13 05:59:52 +00:00
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<?php
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2021-05-09 20:15:43 +00:00
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declare (strict_types=1);
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2022-06-06 17:12:56 +00:00
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namespace Rector\CodeQuality\Rector\FuncCall;
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2019-01-02 16:02:47 +00:00
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2022-06-06 17:12:56 +00:00
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use PhpParser\Node;
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use PhpParser\Node\Arg;
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use PhpParser\Node\Expr;
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use PhpParser\Node\Expr\Assign;
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use PhpParser\Node\Expr\Cast;
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use PhpParser\Node\Expr\Cast\Array_;
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use PhpParser\Node\Expr\Cast\Bool_;
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use PhpParser\Node\Expr\Cast\Double;
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use PhpParser\Node\Expr\Cast\Int_;
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use PhpParser\Node\Expr\Cast\Object_;
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use PhpParser\Node\Expr\Cast\String_;
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use PhpParser\Node\Expr\FuncCall;
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use PhpParser\Node\Stmt\Expression;
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use Rector\Core\Rector\AbstractRector;
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use Rector\NodeTypeResolver\Node\AttributeKey;
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2022-06-07 09:18:30 +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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2019-01-02 16:02:47 +00:00
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/**
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2021-04-10 18:47:17 +00:00
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* @changelog https://stackoverflow.com/questions/5577003/using-settype-in-php-instead-of-typecasting-using-brackets-what-is-the-differen/5577068#5577068
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*
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2021-03-12 22:20:25 +00:00
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* @see \Rector\Tests\CodeQuality\Rector\FuncCall\SetTypeToCastRector\SetTypeToCastRectorTest
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2019-01-02 16:02:47 +00:00
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*/
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2022-06-07 08:22:29 +00:00
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final class SetTypeToCastRector extends AbstractRector
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2019-01-02 16:02:47 +00:00
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{
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/**
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2021-02-23 01:25:34 +00:00
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* @var array<string, class-string<Cast>>
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2019-01-02 16:02:47 +00:00
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*/
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2022-06-07 08:22:29 +00:00
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private const TYPE_TO_CAST = ['array' => Array_::class, 'bool' => Bool_::class, 'boolean' => Bool_::class, 'double' => Double::class, 'float' => Double::class, 'int' => Int_::class, 'integer' => Int_::class, 'object' => Object_::class, 'string' => String_::class];
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public function getRuleDefinition() : RuleDefinition
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2019-01-02 16:02:47 +00:00
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{
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2022-06-07 08:22:29 +00:00
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return new RuleDefinition('Changes settype() to (type) where possible', [new CodeSample(<<<'CODE_SAMPLE'
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2019-01-02 16:02:47 +00:00
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class SomeClass
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{
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public function run($foo)
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{
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settype($foo, 'string');
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return settype($foo, 'integer');
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}
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}
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2020-09-15 08:23:13 +00:00
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CODE_SAMPLE
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2021-05-09 20:15:43 +00:00
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, <<<'CODE_SAMPLE'
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2019-01-02 16:02:47 +00:00
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class SomeClass
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{
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2021-07-28 12:55:48 +00:00
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public function run($foo)
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2019-01-02 16:02:47 +00:00
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{
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$foo = (string) $foo;
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return (int) $foo;
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}
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}
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2020-09-15 08:23:13 +00:00
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CODE_SAMPLE
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2021-05-09 20:15:43 +00:00
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)]);
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2019-01-02 16:02:47 +00:00
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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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2019-01-02 16:02:47 +00:00
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*/
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2021-05-09 20:15:43 +00:00
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public function getNodeTypes() : array
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2019-01-02 16:02:47 +00:00
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{
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2022-06-07 08:22:29 +00:00
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return [FuncCall::class];
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2019-01-02 16:02:47 +00:00
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}
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/**
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2021-12-10 10:22:23 +00:00
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* @param FuncCall $node
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2019-01-02 16:02:47 +00:00
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*/
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2022-06-07 08:22:29 +00:00
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public function refactor(Node $node) : ?Node
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2019-01-02 16:02:47 +00:00
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{
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2021-05-09 20:15:43 +00:00
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if (!$this->isName($node, 'settype')) {
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2019-01-02 16:02:47 +00:00
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return null;
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}
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2023-05-13 17:20:02 +00:00
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if ($node->isFirstClassCallable()) {
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2019-01-02 16:02:47 +00:00
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return null;
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}
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2023-05-13 17:20:02 +00:00
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$typeValue = $this->valueResolver->getValue($node->getArgs()[1]->value);
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if (!\is_string($typeValue)) {
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2021-09-27 15:43:15 +00:00
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return null;
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}
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2023-05-13 17:20:02 +00:00
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$typeValue = \strtolower($typeValue);
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$variable = $node->getArgs()[0]->value;
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2022-06-07 08:22:29 +00:00
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$parentNode = $node->getAttribute(AttributeKey::PARENT_NODE);
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2019-01-02 16:02:47 +00:00
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// result of function or probably used
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2022-06-07 08:22:29 +00:00
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if ($parentNode instanceof Expr || $parentNode instanceof Arg) {
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2019-01-02 16:02:47 +00:00
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return null;
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}
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2023-05-13 17:20:02 +00:00
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if (isset(self::TYPE_TO_CAST[$typeValue])) {
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$castClass = self::TYPE_TO_CAST[$typeValue];
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$castNode = new $castClass($variable);
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2022-06-07 08:22:29 +00:00
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if ($parentNode instanceof Expression) {
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2019-01-02 16:02:47 +00:00
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// bare expression? → assign
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2023-05-13 17:20:02 +00:00
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return new Assign($variable, $castNode);
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2019-01-02 16:02:47 +00:00
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}
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return $castNode;
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}
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2023-05-13 17:20:02 +00:00
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if ($typeValue === 'null') {
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return new Assign($variable, $this->nodeFactory->createNull());
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2019-01-02 16:02:47 +00:00
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}
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return $node;
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}
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}
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