FM / CodeCleaner

/var/www/flurhymez/vendor/psy/psysh/src/CodeCleaner/

/var/www/flurhymez/vendor/psy/psysh/src/CodeCleaner

Name	Size	Mode	Actions
AbstractClassPass.php	2202	0644	edit dl rm
AssignThisVariablePass.php	1035	0644	edit dl rm
CalledClassPass.php	2387	0644	edit dl rm
CallTimePassByReferencePass.php	1392	0644	edit dl rm
CodeCleanerPass.php	415	0644	edit dl rm
EmptyArrayDimFetchPass.php	1283	0644	edit dl rm
ExitPass.php	773	0644	edit dl rm
FinalClassPass.php	1667	0644	edit dl rm
FunctionContextPass.php	1340	0644	edit dl rm
FunctionReturnInWriteContextPass.php	2501	0644	edit dl rm
ImplicitReturnPass.php	4240	0644	edit dl rm
InstanceOfPass.php	1878	0644	edit dl rm
IssetPass.php	1322	0644	edit dl rm
LabelContextPass.php	2357	0644	edit dl rm
LeavePsyshAlonePass.php	913	0644	edit dl rm
ListPass.php	3283	0644	edit dl rm
LoopContextPass.php	3480	0644	edit dl rm
MagicConstantsPass.php	1068	0644	edit dl rm
NamespaceAwarePass.php	1853	0644	edit dl rm
NamespacePass.php	2416	0644	edit dl rm
NoReturnValue.php	870	0644	edit dl rm
PassableByReferencePass.php	4117	0644	edit dl rm
RequirePass.php	4565	0644	edit dl rm
ReturnTypePass.php	3465	0644	edit dl rm
StrictTypesPass.php	2706	0644	edit dl rm
UseStatementPass.php	4336	0644	edit dl rm
ValidClassNamePass.php	12433	0644	edit dl rm
ValidConstantPass.php	3203	0644	edit dl rm
ValidConstructorPass.php	3886	0644	edit dl rm
ValidFunctionNamePass.php	3238	0644	edit dl rm

Edit: /var/www/flurhymez/vendor/psy/psysh/src/CodeCleaner/FunctionReturnInWriteContextPass.php (2501B)

<?php

/*
 * This file is part of Psy Shell.
 *
 * (c) 2012-2020 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 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
     */
    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 && $item->byRef && $this->isCallNode($item->value)) {
                    throw new FatalErrorException(self::EXCEPTION_MESSAGE, 0, \E_ERROR, null, $node->getLine());
                }
            }
        } elseif ($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, $node->getLine());
            }
        } elseif ($node instanceof Assign && $this->isCallNode($node->var)) {
            throw new FatalErrorException(self::EXCEPTION_MESSAGE, 0, \E_ERROR, null, $node->getLine());
        }
    }

private function isCallNode(Node $node)
    {
        return $node instanceof FuncCall || $node instanceof MethodCall || $node instanceof StaticCall;
    }
}

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