Online PHP editor | perf for CFE1u

@ 2022-02-06T17:18:17Z

<?php

interface ProductRepository 
{
    public function findReferenceBySku(string $sku): Product;

    public function findIdBySku(string $sku): int;
}

class Product
{
    public function __construct(
        public int $id,
    ) { }
}

class ProductDatabaseRepository implements ProductRepository
{
    public function findReferenceBySku(string $sku): Product
    {
        $id = $this->findIdBySku($sku);

        return $this->getProductReference($id);
    }

    private function getProductReference(int $id)
    {
        // check entity manager for existing object
        // and generate proxy if not found

        return new Product($id);
    }
    
    public function findIdBySku(string $sku): int
    {
        $this->queryDatabase();

        return match($sku) {
            'sku1' => 1,
        };
    }
    
    protected function queryDatabase()
    {
        // note this method is not public

        var_dump('query database');
    }
}


class ProductCachedRepository implements ProductRepository
{
    private array $cachedIds = [];
    
    public function __construct(
        private ProductRepository $inner
    ) {}
    
    public function findReferenceBySku(string $sku): Product
    {   
        // not able to delegate this logic directly to inner class
        // (loss of findIdBySku() overridden logic)
        //return $this->inner->findReferenceBySku($sku);
        
        // as well not able call decorated method with substitude this
        return $this->inner->findReferenceBySku(...)->call($this, $sku);
    }

    public function findIdBySku(string $sku): int
    {
        var_dump('check cache');

        return $this->cachedIds[$sku] 
                ??= $this->inner->findIdBySku($sku);
    }
    
    public function __call($name, $arguments)
    {
        // all not public methods of inner repository
        // which are not declared in current class
        // are delegated to inner repository

        return (fn() => $this->$name(...$arguments))
                ->call($this->inner);
    }
}


$repository = (new ProductCachedRepository(new ProductDatabaseRepository()));

var_dump('call1', $repository->findReferenceBySku('sku1'));
var_dump('call2', $repository->findReferenceBySku('sku1')); // cache hit expected
var_dump('call2', $repository->findReferenceBySku('sku1')); // cache hit expected

Here you find the average performance (time & memory) of each version. A grayed out version indicates it didn't complete successfully (based on exit-code).

Version	System time (s)	User time (s)	Memory (MiB)
8.4.12	0.008	0.009	24.07
8.4.11	0.006	0.008	19.83
8.4.10	0.012	0.009	18.47
8.4.9	0.015	0.004	18.79
8.4.8	0.013	0.008	19.48
8.4.7	0.009	0.011	18.24
8.4.6	0.015	0.008	18.77
8.4.5	0.010	0.008	20.54
8.4.4	0.016	0.003	18.02
8.4.3	0.003	0.012	20.48
8.4.2	0.013	0.007	17.78
8.4.1	0.007	0.013	18.03
8.3.25	0.012	0.007	18.84
8.3.24	0.011	0.008	17.25
8.3.23	0.012	0.007	17.05
8.3.22	0.011	0.008	17.16
8.3.21	0.010	0.009	16.72
8.3.20	0.005	0.003	16.82
8.3.19	0.010	0.009	17.36
8.3.18	0.012	0.006	19.11
8.3.17	0.015	0.003	17.38
8.3.16	0.004	0.014	20.94
8.3.15	0.006	0.012	17.11
8.3.14	0.007	0.003	19.01
8.3.13	0.009	0.000	18.63
8.3.12	0.006	0.003	20.78
8.3.11	0.015	0.004	22.58
8.3.10	0.000	0.009	20.94
8.3.9	0.004	0.004	20.94
8.3.5	0.006	0.003	20.94
8.2.29	0.011	0.009	20.67
8.2.28	0.006	0.002	18.54
8.2.27	0.015	0.004	20.67
8.2.26	0.007	0.011	16.77
8.2.25	0.009	0.009	16.91
8.2.24	0.004	0.004	17.13
8.2.23	0.007	0.004	22.58
8.2.22	0.003	0.007	22.58
8.2.21	0.004	0.004	22.58
8.1.33	0.013	0.007	21.73
8.1.32	0.009	0.005	16.00
8.1.31	0.010	0.007	16.42
8.1.30	0.010	0.010	17.81
8.1.2	0.004	0.004	17.67
8.1.1	0.005	0.002	17.56
8.1.0	0.000	0.008	17.55
8.0.15	0.000	0.007	16.83
8.0.14	0.000	0.007	16.68
8.0.13	0.000	0.007	16.88
8.0.12	0.004	0.004	16.79
8.0.11	0.004	0.004	16.86
8.0.10	0.007	0.000	16.75
8.0.9	0.004	0.004	16.83
8.0.8	0.000	0.008	16.79
8.0.7	0.000	0.007	16.84
8.0.6	0.000	0.007	16.70
8.0.5	0.007	0.000	16.79
8.0.3	0.000	0.007	16.86
8.0.2	0.004	0.004	16.92
8.0.1	0.004	0.004	16.92
7.4.27	0.003	0.003	16.32
7.4.26	0.000	0.008	16.41
7.4.25	0.003	0.003	16.26
7.4.24	0.004	0.004	16.47
7.4.23	0.004	0.004	16.30
7.4.22	0.000	0.008	16.32
7.4.21	0.004	0.004	16.25
7.4.20	0.003	0.003	16.41
7.4.19	0.003	0.003	16.29
7.4.18	0.007	0.000	16.31
7.4.16	0.003	0.003	16.30
7.4.15	0.003	0.003	16.23
7.4.14	0.003	0.005	16.13
7.4.13	0.000	0.007	16.21
7.4.12	0.003	0.003	16.16
7.4.11	0.000	0.007	16.12
7.4.10	0.000	0.007	16.32
7.4.9	0.003	0.003	16.20
7.4.8	0.003	0.003	16.33
7.4.7	0.000	0.007	16.10
7.4.6	0.003	0.003	16.27
7.4.5	0.007	0.000	16.14
7.4.4	0.003	0.003	16.02
7.4.3	0.000	0.007	16.07
7.4.2	0.004	0.004	16.21
7.4.1	0.007	0.000	16.21
7.4.0	0.000	0.007	16.20

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