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ATimer::__construct()   A

↳ Parent: ATimer

Complexity

Conditions 1
Paths 1

Size

Total Lines 9
Code Lines 5

Duplication

Lines 0
Ratio 0 %

Importance

Changes 0
Metric Value
cc 1
eloc 5
c 0
b 0
f 0
nc 1
nop 2
dl 0
loc 9
rs 10
1 
<?php
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declare(strict_types=1);

            


            
                                                                                                            
                            
            
                                    
            
            

                
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namespace AlecRabbit\Spinner\Core\A;

            


            
                                                                                                            
                            
            
                                    
            
            

                
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use AlecRabbit\Spinner\Contract\ITimer;

            


            
                                                                                                            
                            
            
                                    
            
            

                
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use Closure;

            


            
                                                                                                            
                            
            
                                    
            
            

                
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use InvalidArgumentException;

            


            
                                                                                                            
                            
            
                                    
            
            

                
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use ReflectionException;

            


            
                                                                                                            
                            
            
                                    
            
            

                
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use ReflectionFunction;

            


            
                                                                                                            
                            
            
                                    
            
            

                
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/**

            


            
                                                                                                            
                            
            
                                    
            
            

                
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 * @codeCoverageIgnore

            


            
                                                                                                            
                            
            
                                    
            
            

                
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 */

            


            
                                                                                                            
                            
            
                                    
            
            

                
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abstract class ATimer implements ITimer

            


            
                                                                                                            
                            
            
                                    
            
            

                
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{

            


            
                                                                                                            
                            
            
                                    
            
            

                
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    protected const COEFFICIENT = 1e-6; // for milliseconds

            


            
                                                                                                            
                            
            
                                    
            
            

                
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    protected Closure $timeFunction;

            


            
                                                                                                            
                                                                
            
                                    
            
            

                
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    public function __construct(

            


            
                                                                        
                            
            
                                    
            
            

                
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        ?Closure $timeFunction = null,

            


            
                                                                        
                            
            
                                    
            
            

                
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        protected float $time = 0.0,

            


            
                                                                        
                            
            
                                    
            
            

                
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    ) {

            


            
                                                                        
                            
            
                                    
            
            

                
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        self::assertTimeFunction($timeFunction);

            


            
                                                                        
                            
            
                                    
            
            

                
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        $this->timeFunction =

            


            
                                                                        
                            
            
                                    
            
            

                
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            $timeFunction

            


            
                                                                        
                            
            
                                    
            
            

                
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            ??

            


            
                                                                        
                            
            
                                    
            
            

                
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            static fn(): float => hrtime(true) * self::COEFFICIENT; // returns milliseconds

            


            
                                                                                                            
                            
            
                                    
            
            

                
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    }

            


            
                                                                                                            
                            
            
                                    
            
            

                
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    private static function assertTimeFunction(?Closure $timeFunction): void

            


            
                                                                                                            
                            
            
                                    
            
            

                
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    {

            


            
                                                                                                            
                            
            
                                    
            
            

                
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        if (null === $timeFunction) {

            


            
                                                                                                            
                            
            
                                    
            
            

                
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            return;

            


            
                                                                                                            
                            
            
                                    
            
            

                
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        }

            


            
                                                                                                            
                            
            
                                    
            
            

                
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        try {

            


            
                                                                                                            
                            
            
                                    
            
            

                
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            $reflection = new ReflectionFunction($timeFunction);

            


            
                                                                                                            
                            
            
                                    
            
            

                
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            if (1 !== $reflection->getNumberOfParameters()) {

            


            
                                                                                                            
                            
            
                                    
            
            

                
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                throw new InvalidArgumentException('Time function must have no parameters');

            


            
                                                                                                            
                            
            
                                    
            
            

                
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            }

            


            
                                                                                                            
                            
            
                                    
            
            

                
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            /** @psalm-suppress UndefinedMethod */

            


            
                                                                                                            
                            
            
                                    
            
            

                
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            if ('float' !== $reflection->getReturnType()?->getName()) {

            


                            

                    
                        
                    
                    
                    
                    
                                                                                                    
                        

                            
                            
0 ignored issues

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            Bug
    
    
    
        introduced 
                            by 
            

        

        

            
        

        

            

                

                    
                
                
            


        

    

    

        
                        

                            
                        

                                        
The method getName() does not exist on ReflectionType. It seems like you code against a sub-type of ReflectionType such as ReflectionNamedType.
                                                                                   (
                                     Ignorable by Annotation
                                )
                                

                                    
 If this is a false-positive, you can also ignore this issue in your code via the ignore-call   annotation

                                    

                                        

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            if ('float' !== $reflection->getReturnType()?->/** @scrutinizer ignore-call */ getName()) {

                                        

                                                                            

                                

                                                                                                                                                                                                                                                                                        

                    
                                                    

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                throw new InvalidArgumentException('Time function must return float');

            


            
                                                                                                            
                            
            
                                    
            
            

                
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            }

            


            
                                                                                                            
                            
            
                                    
            
            

                
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        } catch (ReflectionException $e) {

            


            
                                                                                                            
                            
            
                                    
            
            

                
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            throw new InvalidArgumentException('Time function has invalid signature: ' . $e->getMessage());

            


            
                                                                                                            
                            
            
                                    
            
            

                
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        }

            


            
                                                                                                            
                            
            
                                    
            
            

                
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    }

            


            
                                                                                                            
                            
            
                                    
            
            

                
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    public function elapsed(): float

            


            
                                                                                                            
                            
            
                                    
            
            

                
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    {

            


            
                                                                                                            
                            
            
                                    
            
            

                
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        $last = $this->time;

            


            
                                                                                                            
                            
            
                                    
            
            

                
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        $this->time = (float)($this->timeFunction)();

            


            
                                                                                                            
                            
            
                                    
            
            

                
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        return $this->time - $last;

            


            
                                                                                                            
                            
            
                                    
            
            

                
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    }

            


            
                                                                                                            
                                                                
            
                                    
            
            

                
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}

            


            
                                                        
            
                                    
            
            

                
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