Online PHP editor | perf for uVo8c

@ 2016-01-10T15:42:31Z

<?php
class A1 {
    var $s;
protected function a () {
    $i =0 ;
    while (true) {
        $i++;
        if ($i > 10000) { break; }
        foreach ([['a' => 1],2, ['a' => 2]] as $p) {
            if ($p == 2) {
                continue;
            }
            if ($i %100 == 0) {
                $this->s .= str_repeat('0123456789', 10000);
            }
            yield $p['a'] => 123;
        }   
    }
}
public function b(){
$sum = 0;
try{
foreach ( $this->a() as $k => $v ) {
    $sum += $k + $v;
}
echo 'Done: ', $sum;
}
} catch (\Exception $e){}
}
(new A1)->b();

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)
7.0.2	0.030	0.057	20.24
7.0.1	0.007	0.060	20.22
7.0.0	0.017	0.033	20.16
5.6.17	0.023	0.043	20.58
5.6.16	0.017	0.073	20.62
5.6.15	0.007	0.080	18.29
5.6.14	0.010	0.080	18.25
5.6.13	0.003	0.057	18.28
5.6.12	0.010	0.050	21.01
5.6.11	0.010	0.083	21.14
5.6.10	0.007	0.083	20.96
5.6.9	0.007	0.037	20.99
5.6.8	0.007	0.060	20.40
5.5.31	0.020	0.077	20.37
5.5.30	0.003	0.087	18.04
5.5.29	0.007	0.060	17.95
5.5.28	0.000	0.050	20.77
5.5.27	0.007	0.077	20.87
5.5.26	0.000	0.057	20.89
5.5.25	0.003	0.080	20.59
5.5.24	0.013	0.077	20.38

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