betterdocs / includes / Dependencies / SuperClosure / Analyzer / ClosureAnalyzer.php

ClosureAnalyzer.php in BetterDocs – AI Documentation, Knowledge Base, MCP Server, Docs, Wikis, FAQ & Chatbot 3.8.9, at includes/Dependencies/SuperClosure/Analyzer/ClosureAnalyzer.php

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1	<?php namespace WPDeveloper\BetterDocs\Dependencies\SuperClosure\Analyzer;
2
3	use WPDeveloper\BetterDocs\Dependencies\SuperClosure\Exception\ClosureAnalysisException;
4
5	abstract class ClosureAnalyzer
6	{
7	/**
8	* Analyzer a given closure.
9	*
10	* @param \Closure $closure
11	*
12	* @throws ClosureAnalysisException
13	*
14	* @return array
15	*/
16	public function analyze(\Closure $closure)
17	{
18	$data = [
19	'reflection' => new \ReflectionFunction($closure),
20	'code' => null,
21	'hasThis' => false,
22	'context' => [],
23	'hasRefs' => false,
24	'binding' => null,
25	'scope' => null,
26	'isStatic' => $this->isClosureStatic($closure),
27	];
28
29	$this->determineCode($data);
30	$this->determineContext($data);
31	$this->determineBinding($data);
32
33	return $data;
34	}
35
36	abstract protected function determineCode(array &$data);
37
38	/**
39	* Returns the variables that are in the "use" clause of the closure.
40	*
41	* These variables are referred to as the "used variables", "static
42	* variables", "closed upon variables", or "context" of the closure.
43	*
44	* @param array $data
45	*/
46	abstract protected function determineContext(array &$data);
47
48	private function determineBinding(array &$data)
49	{
50	$data['binding'] = $data['reflection']->getClosureThis();
51	if ($scope = $data['reflection']->getClosureScopeClass()) {
52	$data['scope'] = $scope->getName();
53	}
54	}
55
56	private function isClosureStatic(\Closure $closure)
57	{
58	$closure = @$closure->bindTo(new \stdClass);
59
60	if ($closure === null) {
61	return true;
62	}
63
64	$rebound = new \ReflectionFunction($closure);
65
66	return $rebound->getClosureThis() === null;
67	}
68	}
69