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1 <?php declare(strict_types=1);
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2
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3 namespace PhpParser\Node\Expr;
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4
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5 use PhpParser\Node;
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6 use PhpParser\Node\Expr;
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7 use PhpParser\Node\FunctionLike;
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8
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9 class Closure extends Expr implements FunctionLike
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10 {
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11 /** @var bool Whether the closure is static */
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12 public $static;
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13 /** @var bool Whether to return by reference */
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14 public $byRef;
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15 /** @var Node\Param[] Parameters */
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16 public $params;
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17 /** @var ClosureUse[] use()s */
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18 public $uses;
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19 /** @var null|Node\Identifier|Node\Name|Node\NullableType Return type */
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20 public $returnType;
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21 /** @var Node\Stmt[] Statements */
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22 public $stmts;
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23
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24 /**
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25 * Constructs a lambda function node.
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26 *
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27 * @param array $subNodes Array of the following optional subnodes:
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28 * 'static' => false : Whether the closure is static
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29 * 'byRef' => false : Whether to return by reference
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30 * 'params' => array(): Parameters
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31 * 'uses' => array(): use()s
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32 * 'returnType' => null : Return type
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33 * 'stmts' => array(): Statements
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34 * @param array $attributes Additional attributes
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35 */
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36 public function __construct(array $subNodes = [], array $attributes = []) {
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37 parent::__construct($attributes);
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38 $this->static = $subNodes['static'] ?? false;
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39 $this->byRef = $subNodes['byRef'] ?? false;
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40 $this->params = $subNodes['params'] ?? [];
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41 $this->uses = $subNodes['uses'] ?? [];
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42 $returnType = $subNodes['returnType'] ?? null;
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43 $this->returnType = \is_string($returnType) ? new Node\Identifier($returnType) : $returnType;
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44 $this->stmts = $subNodes['stmts'] ?? [];
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45 }
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46
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47 public function getSubNodeNames() : array {
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48 return ['static', 'byRef', 'params', 'uses', 'returnType', 'stmts'];
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49 }
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50
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51 public function returnsByRef() : bool {
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52 return $this->byRef;
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53 }
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54
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55 public function getParams() : array {
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56 return $this->params;
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57 }
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58
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59 public function getReturnType() {
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60 return $this->returnType;
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61 }
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62
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63 /** @return Node\Stmt[] */
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64 public function getStmts() : array {
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65 return $this->stmts;
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66 }
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67
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68 public function getType() : string {
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69 return 'Expr_Closure';
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70 }
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71 }
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