Online PHP editor | perf for 8osB8

<?php function measture_duration(callable $callback) { $start = microtime(true); call_user_func($callback); $duration = microtime(true) - $start; printf("Duration: %s\n\n", number_format($duration, 6)); } function timestamp_lowest(array $array) { return min(array_column($array, 'ts')); } function timestamp_lowest2(array $array) { $values = array_column($array, 'ts'); $values = array_slice($values, 1); return min($values); } $timezone = new DateTimeZone('Europe/Berlin'); $duration = measture_duration(function() use($timezone) { printf("Default Value\n"); $result = $timezone->getTransitions(); $lowest = timestamp_lowest($result); printf("Lowest timestamp: %s (%s)\n", $lowest, date('Y-m-d', $lowest)); $lowest2 = timestamp_lowest2($result); printf("Lowest timestamp2: %s (%s)\n", $lowest2, date('Y-m-d', $lowest2)); }); $duration = measture_duration(function() use($timezone) { $timestamp = 0; printf("Timestamp for %s\n", date('Y-m-d H:i:s', $timestamp)); $result = $timezone->getTransitions($timestamp); $lowest = timestamp_lowest($result); printf("Lowest timestamp: %s (%s)\n", $lowest, date('Y-m-d', $lowest)); }); $duration = measture_duration(function() use($timezone) { $timestamp = -62135596800; printf("Timestamp for %s\n", date('Y-m-d H:i:s', $timestamp)); $result = $timezone->getTransitions($timestamp); $lowest = timestamp_lowest($result); printf("Lowest timestamp: %s (%s)\n", $lowest, date('Y-m-d', $lowest)); });

Version	System time (s)	User time (s)	Memory (MiB)
7.3.1	0.007	0.010	16.59
7.3.0	0.006	0.009	16.94
7.2.13	0.006	0.009	16.97
7.2.12	0.006	0.009	17.35
7.2.11	0.004	0.012	16.94
7.2.10	0.006	0.009	17.25
7.2.9	0.006	0.009	16.95
7.2.8	0.000	0.011	16.82
7.2.7	0.006	0.009	17.05
7.2.6	0.006	0.009	17.19
7.2.5	0.003	0.009	17.11
7.2.4	0.006	0.010	17.28
7.2.3	0.006	0.006	16.81
7.2.2	0.006	0.012	16.96
7.2.1	0.010	0.007	17.23
7.2.0	0.007	0.010	16.80
7.1.25	0.000	0.066	16.16
7.1.8	0.015	0.074	18.39
7.1.7	0.003	0.142	17.03
7.1.6	0.024	0.071	35.16
7.1.5	0.016	0.121	35.12
7.1.4	0.026	0.115	34.57
7.1.3	0.025	0.074	34.77
7.1.2	0.022	0.136	34.84
7.1.1	0.003	0.146	16.82
7.1.0	0.008	0.137	16.86
7.0.20	0.006	0.075	16.63
7.0.19	0.006	0.092	16.61
7.0.18	0.009	0.098	16.19
7.0.17	0.003	0.072	16.41
7.0.16	0.011	0.137	16.09
7.0.15	0.012	0.137	16.43
7.0.14	0.003	0.126	16.35
7.0.13	0.009	0.080	16.57
7.0.12	0.004	0.072	16.44
7.0.11	0.009	0.112	16.51
7.0.10	0.010	0.102	16.55
7.0.9	0.000	0.074	16.23
7.0.8	0.016	0.100	16.32
7.0.7	0.010	0.127	16.49
7.0.6	0.007	0.134	16.15
7.0.5	0.003	0.134	16.52
7.0.4	0.003	0.136	16.70
7.0.3	0.013	0.079	16.41
7.0.2	0.014	0.069	16.37
7.0.1	0.003	0.088	16.46
7.0.0	0.012	0.094	16.37

Version

System time (s)

User time (s)

Memory (MiB)

7.3.1

0.007

0.010

16.59

7.3.0

0.006

0.009

16.94

7.2.13

0.006

0.009

16.97

7.2.12

0.006

0.009

17.35

7.2.11

0.004

0.012

16.94

7.2.10

0.006

0.009

17.25

7.2.9

0.006

0.009

16.95

7.2.8

0.000

0.011

16.82

7.2.7

0.006

0.009

17.05

7.2.6

0.006

0.009

17.19

7.2.5

0.003

0.009

17.11

7.2.4

0.006

0.010

17.28

7.2.3

0.006

16.81

7.2.2

0.006

0.012

16.96

7.2.1

0.010

0.007

17.23

7.2.0

0.007

0.010

16.80

7.1.25

0.000

0.066

16.16

7.1.8

0.015

0.074

18.39

7.1.7

0.003

0.142

17.03

7.1.6

0.024

0.071

35.16

7.1.5

0.016

0.121

35.12

7.1.4

0.026

0.115

34.57

7.1.3

0.025

0.074

34.77

7.1.2

0.022

0.136

34.84

7.1.1

0.003

0.146

16.82

7.1.0

0.008

0.137

16.86

7.0.20

0.006

0.075

16.63

7.0.19

0.006

0.092

16.61

7.0.18

0.009

0.098

16.19

7.0.17

0.003

0.072

16.41

7.0.16

0.011

0.137

16.09

7.0.15

0.012

0.137

16.43

7.0.14

0.003

0.126

16.35

7.0.13

0.009

0.080

16.57

7.0.12

0.004

0.072

16.44

7.0.11

0.009

0.112

16.51

7.0.10

0.010

0.102

16.55

7.0.9

0.000

0.074

16.23

7.0.8

0.016

0.100

16.32

7.0.7

0.010

0.127

16.49

7.0.6

0.007

0.134

16.15

7.0.5

0.003

0.134

16.52

7.0.4

0.003

0.136

16.70

7.0.3

0.013

0.079

16.41

7.0.2

0.014

0.069

16.37

7.0.1

0.003

0.088

16.46

7.0.0

0.012

0.094

16.37