3v4l.org

run code in 300+ PHP versions simultaneously
<?php class A { private $x = 'x'; } class B extends A { public $y; public $z; } $object = new B; $object->y = 'y'; $object->z = 'z'; var_export((array) $object);

Here you find the average performance (time & memory) of each version. A grayed out version indicates it didn't complete successfully (based on exit-code).

VersionSystem time (s)User time (s)Memory (MiB)
8.3.60.0150.00016.74
8.3.50.0070.01418.21
8.3.40.0200.00019.05
8.3.30.0120.00318.38
8.3.20.0050.00224.18
8.3.10.0080.00024.66
8.3.00.0070.00026.16
8.2.180.0110.00425.92
8.2.170.0070.00718.96
8.2.160.0140.00022.96
8.2.150.0070.00025.66
8.2.140.0050.00324.66
8.2.130.0040.00426.16
8.2.120.0070.00021.04
8.2.110.0040.00422.16
8.2.100.0060.00617.72
8.2.90.0040.00419.14
8.2.80.0090.00017.97
8.2.70.0060.00317.63
8.2.60.0060.00317.92
8.2.50.0090.00018.07
8.2.40.0030.00618.22
8.2.30.0030.00617.97
8.2.20.0050.00319.49
8.2.10.0060.00318.92
8.2.00.0020.00519.28
8.1.280.0110.00725.92
8.1.270.0030.00523.99
8.1.260.0030.00626.35
8.1.250.0000.00928.09
8.1.240.0030.00617.36
8.1.230.0110.00018.92
8.1.220.0040.00417.74
8.1.210.0050.00318.77
8.1.200.0060.00317.22
8.1.190.0000.00917.35
8.1.180.0030.00618.10
8.1.170.0030.00618.60
8.1.160.0000.00718.73
8.1.150.0040.00418.48
8.1.140.0070.00017.34
8.1.130.0040.00419.09
8.1.120.0000.00817.29
8.1.110.0000.00817.41
8.1.100.0040.00417.28
8.1.90.0000.00717.31
8.1.80.0040.00417.31
8.1.70.0040.00417.45
8.1.60.0000.00817.48
8.1.50.0000.00817.53
8.1.40.0040.00417.41
8.1.30.0040.00417.50
8.1.20.0000.00917.64
8.1.10.0040.00417.43
8.1.00.0000.00717.48
8.0.300.0000.00818.77
8.0.290.0000.00716.58
8.0.280.0080.00018.30
8.0.270.0000.00716.76
8.0.260.0030.00316.75
8.0.250.0000.00716.92
8.0.240.0040.00416.95
8.0.230.0000.00716.88
8.0.220.0030.00316.74
8.0.210.0000.00716.71
8.0.200.0030.00316.75
8.0.190.0000.00816.84
8.0.180.0040.00416.88
8.0.170.0060.00316.88
8.0.160.0000.00716.78
8.0.150.0050.00316.88
8.0.140.0070.00016.68
8.0.130.0030.00313.26
8.0.120.0060.00316.85
8.0.110.0030.00516.71
8.0.100.0020.00516.78
8.0.90.0020.00516.70
8.0.80.0040.00316.73
8.0.70.0020.00516.75
8.0.60.0040.00316.76
8.0.50.0010.00616.81
8.0.30.0030.00416.74
8.0.20.0050.00316.86
8.0.10.0060.00216.86
8.0.00.0030.00516.91
7.4.330.0000.00515.55
7.4.320.0000.00616.60
7.4.300.0030.00316.50
7.4.290.0040.00416.53
7.4.280.0040.00416.46
7.4.270.0000.00816.56
7.4.260.0030.00613.27
7.4.250.0050.00316.48
7.4.240.0030.00416.56
7.4.230.0050.00216.48
7.4.220.0030.00416.46
7.4.210.0040.00316.50
7.4.200.0030.00416.49
7.4.190.0030.00416.61
7.4.180.0010.00616.51
7.4.160.0020.00616.56
7.4.150.0030.00416.45
7.4.140.0050.00316.37
7.4.130.0030.00316.40
7.4.120.0040.00316.36
7.4.110.0040.00416.36
7.4.100.0010.00616.47
7.4.90.0050.00216.45
7.4.80.0040.00416.38
7.4.70.0010.00616.41
7.4.60.0040.00416.38
7.4.50.0030.00416.30
7.4.40.0040.00416.25
7.4.30.0030.00516.36
7.4.20.0030.00316.43
7.4.10.0040.00416.29
7.4.00.0050.00216.39
7.3.330.0070.00016.31
7.3.320.0000.00513.29
7.3.310.0050.00216.22
7.3.300.0030.00316.21
7.3.290.0050.00216.27
7.3.280.0030.00316.25
7.3.270.0020.00516.27
7.3.260.0040.00316.28
7.3.250.0030.00316.33
7.3.240.0030.00516.30
7.3.230.0030.00316.13
7.3.220.0040.00316.25
7.3.210.0050.00216.16
7.3.200.0020.00416.29
7.3.190.0030.00516.07
7.3.180.0020.00516.22
7.3.170.0030.00516.24
7.3.160.0060.00116.21
7.3.150.0030.00316.15
7.3.140.0050.00216.27
7.3.130.0060.00116.17
7.3.120.0010.00616.14
7.3.110.0020.00516.10
7.3.100.0020.00616.05
7.3.90.0030.00416.52
7.3.80.0040.00316.23
7.3.70.0040.00416.35
7.3.60.0050.00216.35
7.3.50.0020.00516.34
7.3.40.0030.00416.32
7.3.30.0030.00416.27
7.3.20.0050.00318.14
7.3.10.0040.00518.11
7.3.00.0080.00218.24

preferences:
62.22 ms | 400 KiB | 5 Q