Add Composer autoloading functions and PHPStan for testing

vendor/nikic/php-parser/lib/PhpParser/Node/Expr/Closure.php

@@ -0,0 +1,71 @@
+<?php declare(strict_types=1);
+
+namespace PhpParser\Node\Expr;
+
+use PhpParser\Node;
+use PhpParser\Node\Expr;
+use PhpParser\Node\FunctionLike;
+
+class Closure extends Expr implements FunctionLike
+{
+    /** @var bool Whether the closure is static */
+    public $static;
+    /** @var bool Whether to return by reference */
+    public $byRef;
+    /** @var Node\Param[] Parameters */
+    public $params;
+    /** @var ClosureUse[] use()s */
+    public $uses;
+    /** @var null|Node\Identifier|Node\Name|Node\NullableType Return type */
+    public $returnType;
+    /** @var Node\Stmt[] Statements */
+    public $stmts;
+
+    /**
+     * Constructs a lambda function node.
+     *
+     * @param array $subNodes   Array of the following optional subnodes:
+     *                          'static'     => false  : Whether the closure is static
+     *                          'byRef'      => false  : Whether to return by reference
+     *                          'params'     => array(): Parameters
+     *                          'uses'       => array(): use()s
+     *                          'returnType' => null   : Return type
+     *                          'stmts'      => array(): Statements
+     * @param array $attributes Additional attributes
+     */
+    public function __construct(array $subNodes = [], array $attributes = []) {
+        parent::__construct($attributes);
+        $this->static = $subNodes['static'] ?? false;
+        $this->byRef = $subNodes['byRef'] ?? false;
+        $this->params = $subNodes['params'] ?? [];
+        $this->uses = $subNodes['uses'] ?? [];
+        $returnType = $subNodes['returnType'] ?? null;
+        $this->returnType = \is_string($returnType) ? new Node\Identifier($returnType) : $returnType;
+        $this->stmts = $subNodes['stmts'] ?? [];
+    }
+
+    public function getSubNodeNames() : array {
+        return ['static', 'byRef', 'params', 'uses', 'returnType', 'stmts'];
+    }
+
+    public function returnsByRef() : bool {
+        return $this->byRef;
+    }
+
+    public function getParams() : array {
+        return $this->params;
+    }
+
+    public function getReturnType() {
+        return $this->returnType;
+    }
+
+    /** @return Node\Stmt[] */
+    public function getStmts() : array {
+        return $this->stmts;
+    }
+    
+    public function getType() : string {
+        return 'Expr_Closure';
+    }
+}