3v4l.org

run code in 300+ PHP versions simultaneously
<?php class A { protected $_sqlStatements = []; public function __sleep() { return ["\0*\0_sqlStatements"]; } } class B extends A {} var_dump(serialize(new B));

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)
8.5.30.0100.00719.39
8.5.20.0120.00618.00
8.5.10.0130.00616.59
8.5.00.0130.00919.98
8.4.180.0120.00923.80
8.4.170.0120.01122.17
8.4.160.0120.01023.85
8.4.150.0020.00114.05
8.4.140.0080.01217.39
8.4.130.0140.01017.77
8.4.120.0040.00422.53
8.4.110.0050.00618.82
8.4.100.0070.00717.80
8.4.90.0140.00717.45
8.4.80.0050.00317.82
8.4.70.0110.00919.34
8.4.60.0130.00820.96
8.4.50.0100.00717.51
8.4.40.0120.00917.28
8.4.30.0060.01218.98
8.4.20.0100.00720.61
8.4.10.0030.00619.31
8.3.300.0100.01120.03
8.3.290.0120.00918.36
8.3.280.0130.01018.30
8.3.270.0160.00416.28
8.3.260.0150.00516.43
8.3.250.0110.00718.64
8.3.240.0070.00416.59
8.3.230.0130.00616.61
8.3.220.0060.00216.94
8.3.210.0120.00616.45
8.3.200.0100.00916.36
8.3.190.0120.00618.72
8.3.180.0100.00816.56
8.3.170.0090.00919.04
8.3.160.0120.00620.84
8.3.150.0040.01519.11
8.3.140.0080.00020.73
8.3.130.0040.00418.25
8.3.120.0100.00018.77
8.3.110.0030.00620.94
8.3.100.0130.00618.41
8.3.90.0070.01126.77
8.3.80.0040.00417.97
8.3.70.0110.01116.38
8.3.60.0150.00618.30
8.3.50.0200.00016.59
8.3.40.0070.01320.25
8.3.30.0040.01118.73
8.3.20.0030.00524.18
8.3.10.0040.00424.66
8.3.00.0040.00426.16
8.2.300.0110.01017.93
8.2.290.0070.00520.29
8.2.280.0080.01118.15
8.2.270.0140.00316.45
8.2.260.0070.01016.88
8.2.250.0110.00016.54
8.2.240.0060.00319.09
8.2.230.0060.00322.58
8.2.220.0030.00624.06
8.2.210.0140.00026.77
8.2.200.0060.00316.38
8.2.190.0150.00016.58
8.2.180.0120.00616.50
8.2.170.0170.00018.88
8.2.160.0070.00722.96
8.2.150.0070.00025.66
8.2.140.0080.00024.66
8.2.130.0140.00326.16
8.2.120.0090.00018.69
8.2.110.0100.01022.09
8.2.100.0110.01121.01
8.2.90.0090.00920.39
8.2.80.0170.01418.33
8.2.70.0340.00018.43
8.2.60.0190.00320.37
8.2.50.0130.01019.80
8.2.40.0160.01218.67
8.2.30.0170.01318.60
8.2.20.0230.00718.66
8.2.10.0160.00919.05
8.2.00.0310.00318.91
8.1.340.0130.00717.44
8.1.330.0130.00618.21
8.1.320.0130.00616.18
8.1.310.0100.00716.64
8.1.300.0080.00019.50
8.1.290.0000.01230.84
8.1.280.0070.01025.92
8.1.270.0060.00324.66
8.1.260.0080.00026.35
8.1.250.0060.00328.09
8.1.240.0210.00318.54
8.1.230.0200.00718.29
8.1.220.0180.00718.52
8.1.210.0130.01019.80
8.1.200.0110.00618.39
8.1.190.0180.00018.22
8.1.180.0100.00718.36
8.1.170.0110.00418.31
8.1.160.0120.00218.81
8.1.150.0040.00920.28
8.1.140.0110.00318.35
8.1.130.0090.00618.25
8.1.120.0100.00318.48
8.1.110.0030.00919.58
8.1.100.0040.01118.42
8.1.90.0110.00318.36
8.1.80.0100.00318.32
8.1.70.0080.00318.67
8.1.60.0180.00418.64
8.1.50.0060.00918.45
8.1.40.0090.00418.79
8.1.30.0120.00018.86
8.1.20.0150.00018.60
8.1.10.0150.00718.69
8.1.00.0110.00718.45
8.0.300.0100.00717.67
8.0.290.0100.00617.65
8.0.280.0140.00017.77
8.0.270.0180.00917.68
8.0.260.0150.00318.36
8.0.250.0080.00817.89
8.0.240.0140.01017.79
8.0.230.0120.00818.09
8.0.220.0130.00317.82
8.0.210.0090.00617.65
8.0.200.0150.00017.63
8.0.190.0080.00418.20
8.0.180.0090.00517.70
8.0.170.0090.00617.73
8.0.160.0120.00317.71
8.0.150.0210.00617.58
8.0.140.0100.01317.60
8.0.130.0110.00818.01
8.0.120.0150.00017.81
8.0.110.0080.01517.79
8.0.100.0170.01317.61
8.0.90.0180.00317.46
8.0.80.0160.00617.63
8.0.70.0130.00417.61
8.0.60.0150.00317.88
8.0.50.0300.00317.81
8.0.30.0180.00317.84
8.0.20.0180.00417.89
8.0.10.0110.00317.81

preferences:
29.18 ms | 403 KiB | 5 Q