3v4l.org

run code in 300+ PHP versions simultaneously
<?php abstract class ItemMapperBase { public function newInstance($thing) { } } class RevtwoItemMapper extends ItemMapperBase { } $first = ItemMapperBase::newInstance('foo'); $second = RevtwoItemMapper;

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)
8.3.60.0140.00016.73
8.3.50.0090.00921.14
8.3.40.0070.01118.61
8.3.30.0120.00318.84
8.3.20.0000.00720.30
8.3.10.0000.00821.86
8.3.00.0040.00419.68
8.2.180.0070.00716.88
8.2.170.0080.00822.96
8.2.160.0100.01020.39
8.2.150.0080.00024.18
8.2.140.0070.00024.66
8.2.130.0000.00826.16
8.2.120.0090.00017.63
8.2.110.0060.00322.28
8.2.100.0120.00017.63
8.2.90.0040.00419.13
8.2.80.0110.00017.97
8.2.70.0000.00817.38
8.2.60.0070.00017.80
8.2.50.0000.00818.07
8.2.40.0030.00621.01
8.2.30.0000.00719.79
8.2.20.0000.00717.56
8.2.10.0030.00518.00
8.2.00.0030.00518.07
8.1.280.0060.01025.92
8.1.270.0070.00720.42
8.1.260.0040.00426.35
8.1.250.0090.00028.09
8.1.240.0180.00322.29
8.1.230.0110.00017.42
8.1.220.0000.00817.78
8.1.210.0030.00618.77
8.1.200.0000.00917.36
8.1.190.0030.00617.23
8.1.180.0040.00418.10
8.1.170.0030.00518.59
8.1.160.0040.00422.11
8.1.150.0070.00018.71
8.1.140.0060.00317.28
8.1.130.0070.00017.46
8.1.120.0000.00717.20
8.1.110.0030.00517.39
8.1.100.0040.00417.36
8.1.90.0080.00017.35
8.1.80.0000.00717.25
8.1.70.0050.00517.23
8.1.60.0000.00817.42
8.1.50.0070.00017.46
8.1.40.0030.00617.47
8.1.30.0030.00517.43
8.1.20.0000.00817.59
8.1.10.0000.00717.50
8.1.00.0070.00017.42
8.0.300.0070.00018.77
8.0.290.0000.00816.63
8.0.280.0070.00018.30
8.0.270.0040.00417.26
8.0.260.0030.00317.19
8.0.250.0050.00316.96
8.0.240.0000.00816.95
8.0.230.0030.00316.84
8.0.220.0050.00316.96
8.0.210.0080.00016.89
8.0.200.0040.00416.93
8.0.190.0000.00916.85
8.0.180.0000.00716.96
8.0.170.0090.00016.87
8.0.160.0000.00716.88
8.0.150.0050.00316.80
8.0.140.0030.00616.82
8.0.130.0060.00013.30
8.0.120.0080.00016.87
8.0.110.0070.00016.86
8.0.100.0050.00316.84
8.0.90.0040.00416.83
8.0.80.0090.00616.89
8.0.70.0030.00516.84
8.0.60.0040.00416.96
8.0.50.0020.00516.96
8.0.30.0090.00717.21
8.0.20.0110.00817.40
8.0.10.0000.00916.98
8.0.00.0100.00916.75
7.4.330.0060.00015.08
7.4.320.0000.00716.63
7.4.300.0000.00616.61
7.4.290.0030.00516.51
7.4.280.0000.00716.54
7.4.270.0030.00316.50
7.4.260.0000.00716.61
7.4.250.0050.00316.51
7.4.240.0030.00316.54
7.4.230.0070.00016.55
7.4.220.0040.01516.43
7.4.210.0070.00716.40
7.4.200.0000.00716.42
7.4.160.0060.01016.50
7.4.150.0170.00017.40
7.4.140.0070.01217.86
7.4.130.0100.01116.46
7.4.120.0060.01116.66
7.4.110.0090.00916.51
7.4.100.0090.01316.60
7.4.90.0180.00316.58
7.4.80.0130.00919.39
7.4.70.0170.00316.80
7.4.60.0000.01616.58
7.4.50.0000.00816.67
7.4.40.0080.00816.61
7.4.30.0040.01816.42
7.4.00.0090.00615.02
7.3.330.0000.00513.16
7.3.320.0050.00013.28
7.3.310.0000.00716.12
7.3.300.0000.00716.31
7.3.290.0080.00916.27
7.3.280.0120.00616.30
7.3.270.0100.01317.40
7.3.260.0120.00516.34
7.3.250.0110.00616.32
7.3.240.0100.00616.49
7.3.230.0080.01216.39
7.3.210.0100.00716.23
7.3.200.0100.00616.43
7.3.190.0180.00316.46
7.3.180.0060.01316.29
7.3.170.0080.00816.32
7.3.160.0080.00816.37
7.3.120.0070.01014.54
7.3.110.0060.01214.65
7.3.100.0030.01014.59
7.3.90.0060.00914.52
7.3.80.0090.00614.95
7.3.70.0050.00314.68
7.3.60.0040.00814.62
7.3.50.0030.00914.63
7.3.40.0030.00614.59
7.3.30.0050.00514.79
7.3.20.0070.00416.36
7.3.10.0000.00916.60
7.3.00.0000.01316.64
7.2.330.0060.00916.69
7.2.320.0060.01116.62
7.2.310.0070.01016.41
7.2.300.0090.00916.35
7.2.290.0070.01016.58
7.2.250.0070.01315.27
7.2.240.0060.00914.79
7.2.230.0060.00614.69
7.2.220.0000.00914.63
7.2.210.0040.01115.03
7.2.200.0060.00615.04
7.2.190.0040.01214.99
7.2.180.0040.00515.04
7.2.170.0060.00914.81
7.2.60.0090.00316.93
7.2.00.0030.00719.18
7.1.330.0090.00615.59
7.1.320.0000.00815.64
7.1.310.0040.01115.68
7.1.300.0070.00715.61
7.1.290.0070.00615.91
7.1.280.0030.01015.51
7.1.270.0000.01415.51
7.1.260.0040.00715.64
7.1.200.0030.01015.80
7.1.100.0060.00617.79
7.1.70.0050.00217.02
7.1.60.0060.01020.03
7.1.50.0090.00916.66
7.1.00.0000.08022.30
7.0.200.0510.00614.65
7.0.60.0200.07020.06
7.0.50.0070.05317.80
7.0.40.0030.04320.15
7.0.30.0500.08020.14
7.0.20.0270.05020.17
7.0.10.0130.08320.09
7.0.00.0170.04320.14
5.6.280.0070.06321.10
5.6.210.0100.08020.65
5.6.200.0030.08318.29
5.6.190.0100.08020.58
5.6.180.3330.04320.41
5.6.170.0270.07720.57
5.6.160.0170.07320.54
5.6.150.0030.08018.17
5.6.140.0030.04318.18
5.6.130.0130.07718.22
5.6.120.0070.04021.02
5.6.110.0100.08021.01
5.6.100.0070.08321.13
5.6.90.0100.08321.13
5.6.80.0070.08320.47
5.6.70.4170.03720.39
5.5.350.0230.07720.53
5.5.340.0000.04317.99
5.5.330.0070.05020.30
5.5.320.4070.03720.32
5.5.310.0270.06720.30
5.5.300.0000.05718.08
5.5.290.0100.07718.08
5.5.280.0030.04020.98
5.5.270.0070.05020.76
5.5.260.0070.05320.68
5.5.250.0100.06020.77
5.5.240.0300.07020.36
5.4.450.0470.05319.16
5.4.440.0400.06319.68
5.4.430.0430.06019.47
5.4.420.0470.05719.59
5.4.410.0430.05319.32
5.4.400.0630.04719.14
5.4.390.0570.05718.98
5.4.380.0630.08319.28
5.4.370.0430.05319.15
5.4.360.0500.06319.21
5.4.350.0430.05319.30
5.4.340.0430.05719.25
5.4.320.0470.05019.15
5.4.310.0600.03319.30
5.4.300.0500.05019.14
5.4.290.0370.05718.83
5.4.280.0430.05719.29
5.4.270.0370.05719.05
5.4.260.0500.04318.83
5.4.250.0430.05018.97
5.4.240.0400.05319.14
5.4.230.0670.05019.27
5.4.220.0570.05319.12
5.4.210.0470.05719.25
5.4.200.0670.04719.29
5.4.190.0730.06319.14
5.4.180.0530.05319.20
5.4.170.0530.05319.20
5.4.160.0500.05719.00
5.4.150.0600.05019.03
5.4.140.0730.05716.36
5.4.130.0500.05016.33
5.4.120.0500.04716.58
5.4.110.0530.05016.65
5.4.100.0570.05316.64
5.4.90.0730.04316.29
5.4.80.0700.04316.63
5.4.70.0000.05316.39
5.4.60.0330.05716.39
5.4.50.0070.03016.52
5.4.40.0170.03716.43
5.4.30.0230.03316.16
5.4.20.0370.05016.63

preferences:
49.96 ms | 401 KiB | 5 Q