File Nexus/PHPStan/Rules/CleanCode/DisallowedErrorSuppressionOperatorRule.php

1:	<?php
2:
3:	declare(strict_types=1);
4:
5:	/**
6:	* This file is part of the Nexus framework.
7:	*
8:	* (c) John Paul E. Balandan, CPA <paulbalandan@gmail.com>
9:	*
10:	* For the full copyright and license information, please view
11:	* the LICENSE file that was distributed with this source code.
12:	*/
13:
14:	namespace Nexus\PHPStan\Rules\CleanCode;
15:
16:	use PhpParser\Node;
17:	use PHPStan\Analyser\Scope;
18:	use PHPStan\Rules\Rule;
19:	use PHPStan\Rules\RuleErrorBuilder;
20:	use PHPStan\Type\Constant\ConstantIntegerType;
21:
22:	/**
23:	* @implements Rule<Node\Expr\ErrorSuppress>
24:	*/
25:	final class DisallowedErrorSuppressionOperatorRule implements Rule
26:	{
27:	public function getNodeType(): string
28:	{
29:	return Node\Expr\ErrorSuppress::class;
30:	}
31:
32:	public function processNode(Node $node, Scope $scope): array
33:	{
34:	if (
35:	$node->expr instanceof Node\Expr\FuncCall
36:	&& $node->expr->name instanceof Node\Name
37:	&& 'trigger_error' === $node->expr->name->name
38:	) {
39:	$arguments = $node->expr->getArgs();
40:
41:	if (\count($arguments) > 1) {
42:	$errorType = $scope->getType($arguments[1]->value);
43:
44:	if ($errorType instanceof ConstantIntegerType) {
45:	$errorLevel = $errorType->getValue();
46:
47:	if (E_USER_DEPRECATED === $errorLevel) {
48:	return [];
49:	}
50:	}
51:	}
52:	}
53:
54:	return [
55:	RuleErrorBuilder::message('Use of the error control operator to suppress errors is not allowed.')
56:	->identifier('nexus.errorSuppress')
57:	->addTip('If you need to get the result and error message, use `Silencer::box()` instead.')
58:	->addTip('If you need only the result, use `Silencer::suppress()` instead.')
59:	->build(),
60:	];
61:	}
62:	}
63:

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