Online PHP editor | perf for iO13a

@ 2022-02-23T11:33:23Z

<?php

class Foo {}

class Foos implements IteratorAggregate {
  private function __construct(private readonly Closure $foos) {}
  public static function fromVariadic(Foo ...$foos): self {
      return new self(fn() => yield from $foos);
  }
  public static function fromGenerator(callable $generator): self {
      return new self($generator);
  }
  public function getIterator(): \Traversable {
      return ($this->foos)();
  }
}

//$foos = Foos::fromVariadic(new Foo, new Foo);
$foos = Foos::fromGenerator(function() {
    yield new Foo;
    yield new Foo;
});
foreach ($foos as $foo) {
    var_dump($foo);
}

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)
8.4.2	0.008	0.008	17.82
8.4.1	0.004	0.004	17.56
8.3.15	0.013	0.006	17.14
8.3.14	0.005	0.003	16.52
8.3.13	0.008	0.011	16.67
8.3.12	0.006	0.003	18.99
8.3.11	0.000	0.008	22.58
8.3.10	0.000	0.008	22.58
8.3.9	0.006	0.010	22.58
8.3.5	0.003	0.006	22.58
8.2.27	0.009	0.006	17.19
8.2.26	0.010	0.000	18.28
8.2.25	0.004	0.004	16.84
8.2.24	0.008	0.000	17.23
8.2.23	0.005	0.002	22.58
8.2.22	0.010	0.000	22.58
8.2.21	0.006	0.003	22.58
8.1.31	0.006	0.009	17.12
8.1.30	0.007	0.004	16.37
8.1.3	0.005	0.005	17.62

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