Online PHP editor | perf for LRdao

@ 2024-12-15T11:29:34Z

<?php

class Rectangle
{
    public int $area {
        get => $this->height * $this->width;
    }

    public function __construct(
        public int $height, 
        public int $width,
    ) {}
    
    public function __serialize(): array
    {
        $properties = new ReflectionClass($this)->getProperties();
        
        return array_reduce($properties, fn (array $values, ReflectionProperty $property): array => [
            ...$values,
            $property->getName() => $property->getValue($this),
        ], []);

    }
    
    public function __unserialize(array $values): void
    {
        $properties = new ReflectionClass($this)->getProperties();
        
        foreach ($properties as $property) {
            $value = $values[$property->getName()];
            
            $property->setValue($this, $value);
        }
    }
}

$instance = new Rectangle(4, 5);

$serialized = serialize($instance);
var_dump($serialized);

$unserialized = unserialize($serialized);
var_dump($unserialized);

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)
8.4.1	0.017	0.007	17.91
8.3.14	0.040	0.007	16.84
8.3.13	0.035	0.007	16.36
8.3.12	0.034	0.007	16.46
8.3.11	0.031	0.010	17.00
8.3.10	0.030	0.016	16.85
8.3.9	0.039	0.011	16.45
8.3.8	0.041	0.007	16.43
8.3.7	0.033	0.010	16.29
8.3.6	0.022	0.006	16.38
8.3.5	0.033	0.009	16.48
8.3.4	0.019	0.006	17.48
8.3.3	0.034	0.006	17.35
8.3.2	0.030	0.009	17.46
8.3.1	0.026	0.010	17.68
8.3.0	0.012	0.009	17.45
8.2.26	0.024	0.014	16.46
8.2.25	0.034	0.004	16.56
8.2.24	0.029	0.006	16.40
8.2.23	0.034	0.007	16.26
8.2.22	0.033	0.008	16.33
8.2.21	0.038	0.003	16.70
8.2.20	0.033	0.007	16.39
8.2.19	0.031	0.009	16.26
8.2.18	0.036	0.000	16.48
8.2.17	0.039	0.004	17.37
8.2.16	0.034	0.007	17.45
8.2.15	0.040	0.004	17.57
8.2.14	0.033	0.008	17.35
8.2.13	0.035	0.006	17.17
8.2.12	0.036	0.006	17.36
8.2.11	0.029	0.013	17.30
8.2.10	0.027	0.014	17.05
8.2.9	0.022	0.004	17.48
8.2.8	0.038	0.004	17.32
8.2.7	0.044	0.006	17.29
8.2.6	0.043	0.009	17.19
8.2.5	0.025	0.014	17.40
8.2.4	0.029	0.007	17.34
8.2.3	0.030	0.007	17.40
8.2.2	0.030	0.013	17.11
8.2.1	0.021	0.009	17.09
8.2.0	0.030	0.007	17.06

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