Online PHP editor | perf for 57rc3

@ 2018-11-02T03:16:31Z

<?php

class Example
{
    public function __construct()
    {
    }

    public static function create()
    {
        return new self();
    }

    public function doStuff()
    {
    }

    public static function doStaticStuff()
    {

    }
}

$named = function () {
    Example::create()->doStuff();
};

$static = function () {
    Example::doStaticStuff();
};

$test = function ($count) use ($named, $static) {
    $loop = function ($count, $callable) {
        $time_start = microtime(true) * 1000;
        $memory_start = memory_get_usage(true);

        for ($i = 0; $i < $count; $i++) {
            $callable();
        }

        $time_end = microtime(true) * 1000;
        $memory_end = memory_get_usage(true);

        return [
            $time_end - $time_start,
            $memory_end - $memory_start,
        ];
    };

    $static_delta = $loop($count, $static);
    $named_delta = $loop($count, $named);

    echo 'After ' . number_format($count) . " calls:\n";
    echo 'Difference in milliseconds: ';
    var_dump($named_delta[0] - $static_delta[0]);
    echo 'Difference in memory usage: ';
    var_dump($named_delta[1] - $static_delta[1]);
    echo "-----------------------------\n";
};

$test(1);
$test(10);
$test(100);
$test(1000);
$test(10000);
$test(100000);

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)
7.3.1	0.007	0.040	16.20
7.3.0	0.007	0.040	16.19
7.2.13	0.006	0.038	16.58
7.2.12	0.007	0.059	16.56
7.2.11	0.058	0.049	15.53
7.2.10	0.082	0.035	15.50
7.2.9	0.047	0.042	15.74
7.2.8	0.047	0.037	15.77
7.2.7	0.036	0.036	15.86
7.2.6	0.088	0.034	15.59
7.2.5	0.049	0.038	15.60
7.2.4	0.048	0.034	15.64
7.2.3	0.050	0.034	15.81
7.2.2	0.064	0.031	15.62
7.2.1	0.051	0.034	15.70
7.2.0	0.051	0.036	15.74
7.1.25	0.000	0.063	15.68
7.1.23	0.077	0.029	14.22
7.1.22	0.105	0.043	13.86
7.1.21	0.083	0.058	13.75
7.1.20	0.091	0.033	13.90
7.1.19	0.039	0.039	14.05
7.1.18	0.109	0.027	13.93
7.1.17	0.133	0.044	13.59
7.1.16	0.035	0.042	13.93
7.1.15	0.085	0.046	13.46
7.1.14	0.134	0.061	14.08
7.1.13	0.087	0.033	13.84
7.1.12	0.084	0.050	13.66
7.1.11	0.126	0.031	13.93
7.1.10	0.079	0.037	13.84
7.1.9	0.094	0.071	13.84
7.1.8	0.095	0.033	13.91
7.1.7	0.094	0.032	13.79
7.1.6	0.094	0.030	31.74
7.1.5	0.095	0.031	31.94
7.1.4	0.164	0.037	31.57
7.1.3	0.149	0.031	31.40
7.1.2	0.084	0.034	31.90
7.1.1	0.098	0.030	13.98
7.1.0	0.099	0.036	13.98
5.6.38	0.013	0.089	14.57

preferences:dark modelive preview