<?php
/*
* This file is part of Psy Shell.
*
* (c) 2012-2023 Justin Hileman
*
* For the full copyright and license information, please view the LICENSE
* file that was distributed with this source code.
*/
namespace Psy\CodeCleaner;
use PhpParser\Node;
use PhpParser\Node\Expr\Array_;
use PhpParser\Node\Expr\Assign;
use PhpParser\Node\Expr\FuncCall;
use PhpParser\Node\Expr\Isset_;
use PhpParser\Node\Expr\MethodCall;
use PhpParser\Node\Expr\StaticCall;
use PhpParser\Node\Stmt\Unset_;
use PhpParser\Node\VariadicPlaceholder;
use Psy\Exception\FatalErrorException;
/**
* Validate that the functions are used correctly.
*
* @author Martin Hasoň <martin.hason@gmail.com>
*/
class FunctionReturnInWriteContextPass extends CodeCleanerPass
{
const ISSET_MESSAGE = 'Cannot use isset() on the result of an expression (you can use "null !== expression" instead)';
const EXCEPTION_MESSAGE = "Can't use function return value in write context";
/**
* Validate that the functions are used correctly.
*
* @throws FatalErrorException if a function is passed as an argument reference
* @throws FatalErrorException if a function is used as an argument in the isset
* @throws FatalErrorException if a value is assigned to a function
*
* @param Node $node
*
* @return int|Node|null Replacement node (or special return value)
*/
public function enterNode(Node $node)
{
if ($node instanceof Array_ || $this->isCallNode($node)) {
$items = $node instanceof Array_ ? $node->items : $node->args;
foreach ($items as $item) {
if ($item instanceof VariadicPlaceholder) {
continue;
}
if ($item && $item->byRef && $this->isCallNode($item->value)) {
throw new FatalErrorException(self::EXCEPTION_MESSAGE, 0, \E_ERROR, null, $node->getStartLine());
}
}
} elseif ($node instanceof Isset_ || $node instanceof Unset_) {
foreach ($node->vars as $var) {
if (!$this->isCallNode($var)) {
continue;
}
$msg = $node instanceof Isset_ ? self::ISSET_MESSAGE : self::EXCEPTION_MESSAGE;
throw new FatalErrorException($msg, 0, \E_ERROR, null, $node->getStartLine());
}
} elseif ($node instanceof Assign && $this->isCallNode($node->var)) {
throw new FatalErrorException(self::EXCEPTION_MESSAGE, 0, \E_ERROR, null, $node->getStartLine());
}
}
private function isCallNode(Node $node): bool
{
return $node instanceof FuncCall || $node instanceof MethodCall || $node instanceof StaticCall;
}
}
At NFC Pay, we strive to provide a seamless and satisfactory experience with our services. This Refund Policy outlines the circumstances under which refunds may be issued for transactions made through our platform. Please read this policy carefully to understand your rights regarding refunds.
1. Eligibility for Refunds
Refunds may be considered under the following circumstances:
2. Non-Refundable Situations
Refunds will generally not be issued in the following situations:
3. Refund Process
To request a refund, please follow these steps:
4. Refund Exceptions
Certain transactions may be subject to specific terms and conditions, including non-refundable fees or charges. Please review the terms associated with each transaction carefully, as some fees may not be eligible for refunds.
5. Modifications to the Refund Policy
NFC Pay reserves the right to modify this Refund Policy at any time. Changes will be communicated through updates on our website and app, and the effective date will be updated accordingly. We encourage you to review this policy periodically to stay informed about our refund practices.
By using NFC Pay, you agree to this Refund Policy and understand the terms under which refunds may be issued. Our goal is to ensure a fair and transparent refund process, providing you with confidence and peace of mind when using our services.