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                <?php  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                /**  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                 * PHP Static Analysis project 2015-2016  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                 *  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                 * @author Patsura Dmitry https://github.com/ovr <[email protected]>  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                 */  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                namespace PHPSA\Compiler\Expression\AssignOp;  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                use PHPSA\CompiledExpression;  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                use PHPSA\Compiler\Expression;  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                use PHPSA\Compiler\Expression\AbstractExpressionCompiler;  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                use PHPSA\Context;  | 
            
            
                                                                                                            
                                                                
            
                                    
            
            
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                class Plus extends AbstractExpressionCompiler  | 
            
            
                                                                        
                            
            
                                    
            
            
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                { | 
            
            
                                                                        
                            
            
                                    
            
            
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                    protected $name = 'PhpParser\Node\Expr\AssignOp\Plus';  | 
            
            
                                                                        
                            
            
                                    
            
            
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                    /**  | 
            
            
                                                                        
                            
            
                                    
            
            
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                     * It's used in conditions  | 
            
            
                                                                        
                            
            
                                    
            
            
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                     * {left-expr} += {right-expr} | 
            
            
                                                                        
                            
            
                                    
            
            
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                     *  | 
            
            
                                                                        
                            
            
                                    
            
            
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                     * @param \PhpParser\Node\Expr\AssignOp\Plus $expr  | 
            
            
                                                                        
                            
            
                                    
            
            
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                     * @param Context $context  | 
            
            
                                                                        
                            
            
                                    
            
            
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                     * @return CompiledExpression  | 
            
            
                                                                        
                            
            
                                    
            
            
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                     */  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                    protected function compile($expr, Context $context)  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                    { | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                        $expression = new Expression($context);  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                        $left = $expression->compile($expr->var);  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                        $expression = new Expression($context);  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                        $expExpression = $expression->compile($expr->expr);  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                        switch ($left->getType()) { | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                            case CompiledExpression::INTEGER:  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                            case CompiledExpression::DOUBLE:  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                            case CompiledExpression::NUMBER:  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                                switch ($expExpression->getType()) { | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                                    case CompiledExpression::INTEGER:  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                                    case CompiledExpression::DOUBLE:  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                                    case CompiledExpression::NUMBER:  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                                        return CompiledExpression::fromZvalValue(  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                                            $left->getValue() + $expExpression->getValue()  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                                        );  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                                        break;  | 
            
                            
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                                }  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                                break;  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                        }  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                        return $left;  | 
            
            
                                                                                                            
                                                                
            
                                    
            
            
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                    }  | 
            
            
                                                        
            
                                    
            
            
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                }  | 
            
            
                                                        
            
                                    
            
            
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The break statement is not necessary if it is preceded for example by a return statement:
If you would like to keep this construct to be consistent with other case statements, you can safely mark this issue as a false-positive.