Online PHP editor | perf for a4EI0

<?php // This stands in for stdClass for this demo, because class_alias doesn't work with built-in classes class myStdClass{} class UserDefinedClass{} class_alias('myStdClass', 'DynamicObject'); $ud_obj = new UserDefinedClass(); $do_obj = new DynamicObject(); $sc_obj = new myStdClass(); echo "===[get_class()]===\n"; printf( "UserDefinedClass Object Class: %s\n", get_class($ud_obj)); printf( "DynamicObject Object Class: %s\n", get_class($do_obj)); printf( "myStdClass Object Class: %s\n", get_class($sc_obj)); echo "\n===[gettype()]===\n"; printf( "UserDefinedClass Object Type: %s\n", gettype($ud_obj)); printf( "DynamicObject Object Type: %s\n", gettype($do_obj)); printf( "myStdClass Object Type: %s\n", gettype($sc_obj)); echo "\n===[is_a(stdClass::class)]===\n"; printf( "UserDefinedClass Object Type: %s\n", is_a($ud_obj,stdClass::class)); printf( "DynamicObject Object Type: %s\n", is_a($do_obj,stdClass::class)); printf( "myStdClass Object Type: %s\n", is_a($sc_obj,stdClass::class)); echo "\n===[instanceof stdClass]===\n"; printf( "UserDefinedClass Object Type: %s\n", $ud_obj instanceof stdClass); printf( "DynamicObject Object Type: %s\n", $do_obj instanceof stdClass); printf( "myStdClass Object Type: %s\n", $sc_obj instanceof stdClass); echo "\n===[is_a(DynamicObject::class)]===\n"; printf( "UserDefinedClass Object Type: %s\n", is_a($ud_obj,DynamicObject::class)); printf( "DynamicObject Object Type: %s\n", is_a($do_obj,DynamicObject::class)); printf( "myStdClass Object Type: %s\n", is_a($sc_obj,DynamicObject::class)); echo "\n===[instanceof DynamicObject]===\n"; printf( "UserDefinedClass Object Type: %s\n", $ud_obj instanceof DynamicObject); printf( "DynamicObject Object Type: %s\n", $do_obj instanceof DynamicObject); printf( "myStdClass Object Type: %s\n", $sc_obj instanceof DynamicObject); echo "\n===[is_subclass_of(stdClass::class)]===\n"; printf( "UserDefinedClass Object Type: %s\n", is_subclass_of($ud_obj,stdClass::class)); printf( "DynamicObject Object Type: %s\n", is_subclass_of($do_obj,stdClass::class)); printf( "myStdClass Object Type: %s\n", is_subclass_of($sc_obj,stdClass::class));

Version	System time (s)	User time (s)	Memory (MiB)
8.4.12	0.015	0.005	20.80
8.4.11	0.012	0.008	18.72
8.4.10	0.013	0.007	17.64
8.4.9	0.011	0.010	20.58
8.4.8	0.009	0.009	19.04
8.4.7	0.011	0.011	18.80
8.4.6	0.009	0.012	18.64
8.4.5	0.013	0.009	18.80
8.4.4	0.000	0.008	17.81
8.4.3	0.008	0.004	20.48
8.4.2	0.013	0.006	19.82
8.4.1	0.013	0.003	19.31
8.3.25	0.014	0.004	18.84
8.3.24	0.011	0.008	16.55
8.3.23	0.012	0.006	16.83
8.3.22	0.014	0.005	19.05
8.3.21	0.014	0.008	16.78
8.3.20	0.005	0.005	16.64
8.3.19	0.013	0.008	17.07
8.3.18	0.011	0.009	19.14
8.3.17	0.007	0.011	20.84
8.3.16	0.004	0.004	17.52
8.3.15	0.013	0.003	17.32
8.3.14	0.011	0.004	20.50
8.3.13	0.012	0.009	18.50
8.3.12	0.007	0.010	18.60
8.3.11	0.000	0.010	20.94
8.3.10	0.003	0.006	24.06
8.3.9	0.003	0.005	26.77
8.3.8	0.006	0.003	16.75
8.3.7	0.009	0.006	16.63
8.3.6	0.015	0.004	18.30
8.3.5	0.004	0.011	18.26
8.3.4	0.003	0.010	21.86
8.3.3	0.004	0.011	18.54
8.3.2	0.008	0.000	24.18
8.3.1	0.008	0.000	24.66
8.3.0	0.004	0.004	26.16
8.2.29	0.009	0.007	16.55
8.2.28	0.011	0.009	20.04
8.2.27	0.011	0.007	18.85
8.2.26	0.010	0.000	18.14
8.2.25	0.008	0.004	16.80
8.2.24	0.004	0.004	17.21
8.2.23	0.006	0.003	22.58
8.2.22	0.013	0.006	37.54
8.2.21	0.004	0.004	26.77
8.2.20	0.003	0.006	16.63
8.2.19	0.014	0.007	16.63
8.2.18	0.006	0.010	25.92
8.2.17	0.012	0.009	18.97
8.2.16	0.015	0.003	22.96
8.2.15	0.008	0.000	25.66
8.2.14	0.004	0.004	24.66
8.2.13	0.004	0.004	26.16
8.2.12	0.008	0.000	21.04
8.2.11	0.006	0.003	20.53
8.2.10	0.006	0.003	20.53
8.1.33	0.012	0.007	15.85
8.1.32	0.013	0.006	18.03
8.1.31	0.004	0.004	22.25
8.1.30	0.010	0.000	17.63
8.1.29	0.006	0.003	18.88
8.1.28	0.011	0.007	25.92
8.1.27	0.004	0.004	23.99
8.1.26	0.004	0.004	26.35
8.1.25	0.000	0.008	28.09
8.1.24	0.007	0.003	18.51
8.1.23	0.004	0.007	22.01
8.0.10	0.006	0.002	16.96

Version

System time (s)

User time (s)

Memory (MiB)

8.4.12

0.015

0.005

20.80

8.4.11

0.012

0.008

18.72

8.4.10

0.013

0.007

17.64

8.4.9

0.011

0.010

20.58

8.4.8

0.009

19.04

8.4.7

0.011

18.80

8.4.6

0.009

0.012

18.64

8.4.5

0.013

0.009

18.80

8.4.4

0.000

0.008

17.81

8.4.3

0.008

0.004

20.48

8.4.2

0.013

0.006

19.82

8.4.1

0.013

0.003

19.31

8.3.25

0.014

0.004

18.84

8.3.24

0.011

0.008

16.55

8.3.23

0.012

0.006

16.83

8.3.22

0.014

0.005

19.05

8.3.21

0.014

0.008

16.78

8.3.20

0.005

16.64

8.3.19

0.013

0.008

17.07

8.3.18

0.011

0.009

19.14

8.3.17

0.007

0.011

20.84

8.3.16

0.004

17.52

8.3.15

0.013

0.003

17.32

8.3.14

0.011

0.004

20.50

8.3.13

0.012

0.009

18.50

8.3.12

0.007

0.010

18.60

8.3.11

0.000

0.010

20.94

8.3.10

0.003

0.006

24.06

8.3.9

0.003

0.005

26.77

8.3.8

0.006

0.003

16.75

8.3.7

0.009

0.006

16.63

8.3.6

0.015

0.004

18.30

8.3.5

0.004

0.011

18.26

8.3.4

0.003

0.010

21.86

8.3.3

0.004

0.011

18.54

8.3.2

0.008

0.000

24.18

8.3.1

0.008

0.000

24.66

8.3.0

0.004

26.16

8.2.29

0.009

0.007

16.55

8.2.28

0.011

0.009

20.04

8.2.27

0.011

0.007

18.85

8.2.26

0.010

0.000

18.14

8.2.25

0.008

0.004

16.80

8.2.24

0.004

17.21

8.2.23

0.006

0.003

22.58

8.2.22

0.013

0.006

37.54

8.2.21

0.004

26.77

8.2.20

0.003

0.006

16.63

8.2.19

0.014

0.007

16.63

8.2.18

0.006

0.010

25.92

8.2.17

0.012

0.009

18.97

8.2.16

0.015

0.003

22.96

8.2.15

0.008

0.000

25.66

8.2.14

0.004

24.66

8.2.13

0.004

26.16

8.2.12

0.008

0.000

21.04

8.2.11

0.006

0.003

20.53

8.2.10

0.006

0.003

20.53

8.1.33

0.012

0.007

15.85

8.1.32

0.013

0.006

18.03

8.1.31

0.004

22.25

8.1.30

0.010

0.000

17.63

8.1.29

0.006

0.003

18.88

8.1.28

0.011

0.007

25.92

8.1.27

0.004

23.99

8.1.26

0.004

26.35

8.1.25

0.000

0.008

28.09

8.1.24

0.007

0.003

18.51

8.1.23

0.004

0.007

22.01

8.0.10

0.006

0.002

16.96