Online PHP editor | perf for pMs6K

<?php $pivot = []; $n = 0; for ($i = 1; $i <= 100; $i++) { $pivot[$i] = []; } for($i = 1; $i <= 100; $n++) { $user = &$pivot[rand($i, 100)]; $rand = rand(0, 100); $random = $rand != $user ? $rand : $rand + 1; while(array_key_exists($random, $user)) { $random++; } $user[] = $random; if($n == 100) { $i++; $n = 0; } } foreach($pivot as $piv => $key) { //echo "INSERT INTO `following_pivot` (`uid`, `fid`) VALUES ("; var_dump($piv); var_dump($key); //foreach($piv as $pi) { // echo $key, ", ", $pi, PHP_EOL; //} } //print_r($pivot);

Version	System time (s)	User time (s)	Memory (MiB)
7.2.10	0.074	0.029	15.47
7.2.9	0.205	0.033	15.63
7.2.8	0.176	0.034	15.61
7.2.7	0.016	0.042	15.91
7.2.6	0.072	0.046	15.81
7.2.5	0.029	0.039	15.79
7.1.22	0.032	0.033	14.70
7.1.21	0.028	0.035	14.73
7.1.20	0.163	0.034	14.69
7.1.19	0.044	0.026	14.72
7.1.18	0.031	0.031	14.58
7.0.31	0.034	0.042	14.45
5.6.38	0.010	1.917	16.09
5.6.37	0.026	2.315	15.80

Version

System time (s)

User time (s)

Memory (MiB)

7.2.10

0.074

0.029

15.47

7.2.9

0.205

0.033

15.63

7.2.8

0.176

0.034

15.61

7.2.7

0.016

0.042

15.91

7.2.6

0.072

0.046

15.81

7.2.5

0.029

0.039

15.79

7.1.22

0.032

0.033

14.70

7.1.21

0.028

0.035

14.73

7.1.20

0.163

0.034

14.69

7.1.19

0.044

0.026

14.72

7.1.18

0.031

14.58

7.0.31

0.034

0.042

14.45

5.6.38

0.010

1.917

16.09

5.6.37

0.026

2.315

15.80