Online PHP editor | perf for agfKh

<?php $tests = array( 'empty array' => array(), 'consecutive from 0' => array( 0 => 'one', 1 => 'two', ), 'consecutive from 0 float' => array( 0.0 => 'one', 1.0 => 'two', ), 'consecutive from 0 str' => array( '0' => 'one', '1' => 'two', ), 'consecutive from 1' => array( 1 => 'one', 2 => 'two', ), 'consecutive from 1 float' => array( 1.0 => 'one', 2.0 => 'two', ), 'consecutive from 1 str' => array( '1' => 'one', '2' => 'two', ), 'non-consecutive int' => array( 1 => 'one', 0 => 'two', ), 'non-consecutive float' => array( 1.0 => 'one', 0.0 => 'two', ), 'non-consecutive string' => array( '1' => 'one', '0' => 'two', ), ); foreach ( $tests as $test => $arr ) { echo str_pad( $test, 30 ), var_export( array_is_list( $arr ), true ), PHP_EOL; }

Version	System time (s)	User time (s)	Memory (MiB)
8.3.6	0.015	0.000	16.50
8.3.5	0.018	0.004	20.18
8.3.4	0.018	0.003	18.81
8.3.3	0.012	0.003	18.54
8.3.2	0.015	0.000	24.18
8.3.1	0.004	0.004	24.66
8.3.0	0.008	0.000	26.16
8.2.18	0.009	0.006	25.92
8.2.17	0.007	0.007	18.77
8.2.16	0.007	0.007	22.96
8.2.15	0.004	0.004	25.66
8.2.14	0.004	0.004	24.66
8.2.13	0.000	0.008	26.16
8.2.12	0.005	0.002	21.18
8.2.11	0.006	0.003	20.26
8.2.10	0.006	0.003	19.40
8.1.28	0.011	0.004	25.92
8.1.27	0.004	0.004	23.99
8.1.26	0.003	0.005	26.35
8.1.25	0.005	0.003	28.09
8.1.24	0.007	0.003	18.98
8.1.23	0.003	0.007	18.83
8.1.2	0.010	0.007	17.58

Version

System time (s)

User time (s)

Memory (MiB)

8.3.6

0.015

0.000

16.50

8.3.5

0.018

0.004

20.18

8.3.4

0.018

0.003

18.81

8.3.3

0.012

0.003

18.54

8.3.2

0.015

0.000

24.18

8.3.1

0.004

24.66

8.3.0

0.008

0.000

26.16

8.2.18

0.009

0.006

25.92

8.2.17

0.007

18.77

8.2.16

0.007

22.96

8.2.15

0.004

25.66

8.2.14

0.004

24.66

8.2.13

0.000

0.008

26.16

8.2.12

0.005

0.002

21.18

8.2.11

0.006

0.003

20.26

8.2.10

0.006

0.003

19.40

8.1.28

0.011

0.004

25.92

8.1.27

0.004

23.99

8.1.26

0.003

0.005

26.35

8.1.25

0.005

0.003

28.09

8.1.24

0.007

0.003

18.98

8.1.23

0.003

0.007

18.83

8.1.2

0.010

0.007

17.58