Online PHP editor | perf for dDbH8

@ 2016-10-15T17:27:09Z

<?php
var_dump($a = memory_get_usage());

$abc = [
    'a' => 'askdasd',
    'b' => 'adasdkasd',
    'c' => 'adasdkasd',
    'd' => 'adasdkasd',
    'e' => 'adasdkasd',
    'f' => 'adasdkasd',
    'g' => 'dkasdasas',
    'h' => 'asdkasdas',
    's' => 'assdasdaa',
    'k1' => 'asdkasdaa',
    'a1' => 'askdasd',
    'b1' => 'adasdkasd',
    'c1' => 'adasdkasd',
    'd1' => 'adasdkasd',
    'e1' => 'adasdkasd',
    'f1' => 'adasdkasd',
    'g1' => 'dkasdasas',
    'h1' => 'asdkasdas',
    's1' => 'assdasdaa',
    'k2' => 'asdkasdaa',
    'a3' => 'askdasd',
    'b3' => 'adasdkasd',
    'c2' => 'adasdkasd',
    'd4' => 'adasdkasd',
    'e2' => 'adasdkasd',
    'f4' => 'adasdkasd',
    'g2' => 'dkasdasas',
    'h4' => 'asdkasdas',
    's6' => 'assdasdaa',
    'k7'=> 'asdkasdaa'
];

/*$abc = null;*/

var_dump(memory_get_usage() - $a);
$a = memory_get_usage();

$abc = (array) $abc;

var_dump(memory_get_usage() - $a);
$a = memory_get_usage();


unset($abc);

var_dump(memory_get_usage() - $a);

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)
7.2.0	0.007	0.004	19.38
7.1.7	0.000	0.008	16.79
7.1.6	0.007	0.003	17.19
7.1.5	0.004	0.007	16.87
7.1.0	0.007	0.070	22.45
7.0.20	0.064	0.003	14.93
7.0.12	0.027	0.063	20.31
7.0.11	0.037	0.057	20.25
7.0.10	0.030	0.063	20.24
7.0.9	0.040	0.053	20.21
7.0.8	0.047	0.057	20.26
7.0.7	0.030	0.057	20.37
7.0.6	0.023	0.060	20.25
7.0.5	0.027	0.057	20.28
7.0.4	0.023	0.060	20.31
7.0.3	0.033	0.047	20.24
7.0.2	0.033	0.050	20.33
7.0.1	0.027	0.063	20.25
7.0.0	0.037	0.057	20.27
5.6.26	0.000	0.063	21.11
5.6.25	0.010	0.057	20.80
5.6.24	0.007	0.060	21.05
5.6.23	0.010	0.063	20.87
5.6.22	0.020	0.047	20.98
5.6.21	0.010	0.057	20.92
5.6.20	0.003	0.063	20.87
5.6.19	0.010	0.057	20.83
5.6.18	0.010	0.057	21.02
5.6.17	0.010	0.057	21.00
5.6.16	0.010	0.053	21.00
5.6.15	0.003	0.063	20.90
5.6.14	0.010	0.057	20.83
5.6.13	0.010	0.057	21.06
5.6.12	0.007	0.060	21.02
5.6.11	0.013	0.053	21.01
5.6.10	0.010	0.057	20.82
5.6.9	0.010	0.063	20.92
5.6.8	0.010	0.070	20.21
5.6.7	0.007	0.057	20.12
5.6.6	0.010	0.057	20.24
5.6.5	0.007	0.057	20.40
5.6.4	0.010	0.053	20.37
5.6.3	0.010	0.053	20.36
5.6.2	0.000	0.063	20.18
5.6.1	0.007	0.053	20.35
5.6.0	0.013	0.053	20.21

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