PHPSA\Analyzer\Pass\Expression\VariableVariableUsage

Complexity

Total Complexity

4

Size/Duplication

Total Lines	34
Duplicated Lines	0 %

Coupling/Cohesion

Components	0
Dependencies	4

Test Coverage

Coverage

100%

Importance

Changes	1
Bugs	0	Features	0

2 Methods

Rating	Name	Duplication	Size	Complexity
A	getRegister()	0	6	1
A	pass()	0	14	3

<?php
/**
 * @author Kévin Gomez https://github.com/K-Phoen <contact@kevingomez.fr>
 */

namespace PHPSA\Analyzer\Pass\Expression;

use PhpParser\Node\Expr;
use PHPSA\Analyzer\Helper\DefaultMetadataPassTrait;
use PHPSA\Analyzer\Pass;
use PHPSA\Context;

class VariableVariableUsage implements Pass\AnalyzerPassInterface
{
    use DefaultMetadataPassTrait;

    /**
     * @param Expr\Assign $expr
     * @param Context $context
     * @return bool
     */
    public function pass(Expr\Assign $expr, Context $context)
    {
        if ($expr->var instanceof Expr\Variable && $expr->var->name instanceof Expr\Variable) {
            $context->notice(
                'variable.dynamic_assignment',
                'Dynamic assignment is greatly discouraged.',
                $expr
            );

            return true;
        }

        return false;
    }

    /**
     * @return array
     */
    public function getRegister()
    {
        return [
            Expr\Assign::class
        ];
    }
}