/home/kueuepay/public_html/vendor/psy/psysh/src/CodeCleaner/ImplicitReturnPass.php
<?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;
use PhpParser\Node\Expr\Exit_;
use PhpParser\Node\Stmt;
use PhpParser\Node\Stmt\Break_;
use PhpParser\Node\Stmt\Expression;
use PhpParser\Node\Stmt\If_;
use PhpParser\Node\Stmt\Namespace_;
use PhpParser\Node\Stmt\Return_;
use PhpParser\Node\Stmt\Switch_;

/**
 * Add an implicit "return" to the last statement, provided it can be returned.
 */
class ImplicitReturnPass extends CodeCleanerPass
{
    /**
     * @param array $nodes
     *
     * @return array
     */
    public function beforeTraverse(array $nodes): array
    {
        return $this->addImplicitReturn($nodes);
    }

    /**
     * @param array $nodes
     *
     * @return array
     */
    private function addImplicitReturn(array $nodes): array
    {
        // If nodes is empty, it can't have a return value.
        if (empty($nodes)) {
            return [new Return_(NoReturnValue::create())];
        }

        $last = \end($nodes);

        // Special case a few types of statements to add an implicit return
        // value (even though they technically don't have any return value)
        // because showing a return value in these instances is useful and not
        // very surprising.
        if ($last instanceof If_) {
            $last->stmts = $this->addImplicitReturn($last->stmts);

            foreach ($last->elseifs as $elseif) {
                $elseif->stmts = $this->addImplicitReturn($elseif->stmts);
            }

            if ($last->else) {
                $last->else->stmts = $this->addImplicitReturn($last->else->stmts);
            }
        } elseif ($last instanceof Switch_) {
            foreach ($last->cases as $case) {
                // only add an implicit return to cases which end in break
                $caseLast = \end($case->stmts);
                if ($caseLast instanceof Break_) {
                    $case->stmts = $this->addImplicitReturn(\array_slice($case->stmts, 0, -1));
                    $case->stmts[] = $caseLast;
                }
            }
        } elseif ($last instanceof Expr && !($last instanceof Exit_)) {
            // @codeCoverageIgnoreStart
            $nodes[\count($nodes) - 1] = new Return_($last, [
                'startLine' => $last->getStartLine(),
                'endLine'   => $last->getEndLine(),
            ]);
        // @codeCoverageIgnoreEnd
        } elseif ($last instanceof Expression && !($last->expr instanceof Exit_)) {
            $nodes[\count($nodes) - 1] = new Return_($last->expr, [
                'startLine' => $last->getStartLine(),
                'endLine'   => $last->getEndLine(),
            ]);
        } elseif ($last instanceof Namespace_) {
            $last->stmts = $this->addImplicitReturn($last->stmts);
        }

        // Return a "no return value" for all non-expression statements, so that
        // PsySH can suppress the `null` that `eval()` returns otherwise.
        //
        // Note that statements special cased above (if/elseif/else, switch)
        // _might_ implicitly return a value before this catch-all return is
        // reached.
        //
        // We're not adding a fallback return after namespace statements,
        // because code outside namespace statements doesn't really work, and
        // there's already an implicit return in the namespace statement anyway.
        if (self::isNonExpressionStmt($last)) {
            $nodes[] = new Return_(NoReturnValue::create());
        }

        return $nodes;
    }

    /**
     * Check whether a given node is a non-expression statement.
     *
     * As of PHP Parser 4.x, Expressions are now instances of Stmt as well, so
     * we'll exclude them here.
     *
     * @param Node $node
     */
    private static function isNonExpressionStmt(Node $node): bool
    {
        return $node instanceof Stmt &&
            !$node instanceof Expression &&
            !$node instanceof Return_ &&
            !$node instanceof Namespace_;
    }
}
Developer

Kueue Pay Payment Gateway Solutions Developer API Documentation

Welcome to the Kueue Pay Payment Gateway Solutions Developer API Documentation. This comprehensive guide will empower you to seamlessly integrate our advanced payment gateway into your website, enhancing your customers’ payment experience and enabling efficient transaction processing. The Kueue Pay Developer API is designed for developers and entrepreneurs who seek simplicity, security, and reliability in their payment processing solutions.

1. Introduction

The Kueue Pay Developer API allows you to seamlessly integrate Kueue Pay’s Payment Gateway Solutions into your website, enabling secure and efficient debit and credit card transactions. With our API, you can initiate payments, check payment statuses, and even process refunds, all while ensuring a smooth and streamlined payment experience for your customers.