Online PHP editor | perf for MDlOn

<?php class UserDefinedClass{} class DynamicObject{} $ud_obj = new UserDefinedClass(); $do_obj = new DynamicObject(); $sc_obj = new stdClass(); $a_obj = (object)array(); echo "===[get_class()]===\n"; printf( "UserDefinedClass Object Class: %s\n", get_class($ud_obj)); printf( "DynamicObject Object Class: %s\n", get_class($do_obj)); printf( "StdClass Object Class: %s\n", get_class($sc_obj)); printf( "Array-derived Object Class: %s\n", get_class($a_obj)); echo "\n===[gettype()]===\n"; printf( "UserDefinedClass Object Type: %s\n", gettype($ud_obj)); printf( "DynamicObject Object Type: %s\n", gettype($do_obj)); printf( "StdClass Object Type: %s\n", gettype($sc_obj)); printf( "Array-derived Object Type: %s\n", gettype($a_obj)); echo "\n===[is_a(stdClass::class)]===\n"; printf( "UserDefinedClass Object Type: %s\n", is_a($ud_obj,stdClass::class)); printf( "DynamicObject Object Type: %s\n", is_a($do_obj,stdClass::class)); printf( "StdClass Object Type: %s\n", is_a($sc_obj,stdClass::class)); printf( "Array-derived Object Type: %s\n", is_a($a_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( "StdClass Object Type: %s\n", $sc_obj instanceof stdClass); printf( "Array-derived Object Type: %s\n", $a_obj instanceof stdClass); echo "\n===[is_a(DynamicObject::class)]===\n"; printf( "UserDefinedClass Object Type: %s\n", is_a($ud_obj,DynamicObject::class)); printf( "DynamicObject Object Type: %s\n", is_a($do_obj,DynamicObject::class)); printf( "DynamicObject Object Type: %s\n", is_a($sc_obj,DynamicObject::class)); printf( "Array-derived Object Type: %s\n", is_a($a_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( "DynamicObject Object Type: %s\n", $sc_obj instanceof DynamicObject); printf( "Array-derived Object Type: %s\n", $a_obj instanceof DynamicObject); echo "\n===[is_subclass_of(stdClass::class)]===\n"; printf( "UserDefinedClass Object Type: %s\n", is_subclass_of($ud_obj,stdClass::class)); printf( "DynamicObject Object Type: %s\n", is_subclass_of($do_obj,stdClass::class)); printf( "StdClass Object Type: %s\n", is_subclass_of($sc_obj,stdClass::class)); printf( "Array-derived Object Type: %s\n", is_subclass_of($a_obj,stdClass::class));

Version	System time (s)	User time (s)	Memory (MiB)
8.3.14	0.008	0.000	20.74
8.3.13	0.003	0.005	18.60
8.3.12	0.004	0.004	19.08
8.3.11	0.009	0.000	20.94
8.3.10	0.009	0.009	24.06
8.3.9	0.013	0.006	26.77
8.3.8	0.004	0.004	16.63
8.3.7	0.009	0.006	16.75
8.3.6	0.008	0.008	18.40
8.3.5	0.007	0.007	18.40
8.3.4	0.011	0.011	21.73
8.3.3	0.003	0.013	18.76
8.3.2	0.005	0.002	24.18
8.3.1	0.008	0.000	24.66
8.3.0	0.005	0.003	26.16
8.2.25	0.006	0.003	16.62
8.2.24	0.004	0.004	17.21
8.2.23	0.004	0.004	22.58
8.2.22	0.004	0.004	37.54
8.2.21	0.011	0.003	26.77
8.2.20	0.006	0.003	17.00
8.2.19	0.012	0.006	18.54
8.2.18	0.012	0.006	25.92
8.2.17	0.008	0.008	19.08
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	0.008	0.000	26.16
8.2.12	0.004	0.004	21.05
8.2.11	0.007	0.003	20.47
8.2.10	0.000	0.010	20.63
8.1.30	0.006	0.003	17.95
8.1.29	0.000	0.008	18.88
8.1.28	0.009	0.009	25.92
8.1.27	0.008	0.000	23.99
8.1.26	0.004	0.004	26.35
8.1.25	0.005	0.003	28.09
8.1.24	0.003	0.006	23.82
8.1.23	0.011	0.011	20.28
8.0.10	0.004	0.004	17.03