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 = RevtoItemMapper();

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)
8.3.60.0100.00716.63
8.3.50.0080.01021.30
8.3.40.0120.00918.84
8.3.30.0070.00718.89
8.3.20.0070.00020.34
8.3.10.0000.00821.85
8.3.00.0000.00819.68
8.2.180.0060.00916.38
8.2.170.0090.00622.96
8.2.160.0110.00720.47
8.2.150.0040.00424.18
8.2.140.0050.00224.66
8.2.130.0000.00826.16
8.2.120.0060.00317.50
8.2.110.0100.00021.04
8.2.100.0080.00417.70
8.2.90.0030.00519.05
8.2.80.0000.00817.97
8.2.70.0000.00817.50
8.2.60.0040.00417.79
8.2.50.0060.00318.07
8.2.40.0070.00021.12
8.2.30.0000.00819.84
8.2.20.0060.00317.64
8.2.10.0000.00717.91
8.2.00.0070.00017.92
8.1.280.0100.01325.92
8.1.270.0110.00720.21
8.1.260.0000.00826.35
8.1.250.0040.00428.09
8.1.240.0090.00022.14
8.1.230.0110.00017.42
8.1.220.0050.00317.74
8.1.210.0000.00818.77
8.1.200.0060.00317.23
8.1.190.0060.00616.97
8.1.180.0000.00718.10
8.1.170.0080.00018.58
8.1.160.0050.00222.19
8.1.150.0040.00418.77
8.1.140.0050.00517.38
8.1.130.0030.00317.63
8.1.120.0070.00017.20
8.1.110.0070.00017.22
8.1.100.0000.00717.24
8.1.90.0070.00017.24
8.1.80.0000.00817.22
8.1.70.0060.00317.23
8.1.60.0030.00517.48
8.1.50.0030.00517.36
8.1.40.0030.00617.40
8.1.30.0000.00917.49
8.1.20.0000.00817.49
8.1.10.0000.00817.56
8.1.00.0000.00817.44
8.0.300.0040.00418.77
8.0.290.0000.00716.63
8.0.280.0070.00018.25
8.0.270.0070.00017.20
8.0.260.0000.00617.20
8.0.250.0000.00716.96
8.0.240.0060.00316.95
8.0.230.0080.00016.94
8.0.220.0030.00316.83
8.0.210.0040.00416.84
8.0.200.0000.00817.02
8.0.190.0000.00816.89
8.0.180.0000.00716.90
8.0.170.0030.00616.95
8.0.160.0050.00316.79
8.0.150.0070.00016.88
8.0.140.0100.00016.84
8.0.130.0000.00613.36
8.0.120.0000.00716.89
8.0.110.0040.00416.90
8.0.100.0000.00716.88
8.0.90.0000.00716.77
8.0.80.0110.00416.93
8.0.70.0070.00016.91
8.0.60.0070.00016.76
8.0.50.0000.00716.83
8.0.30.0090.00717.13
8.0.20.0080.01117.40
8.0.10.0040.00416.90
8.0.00.0110.00716.78
7.4.330.0030.00315.14
7.4.320.0050.00216.40
7.4.300.0000.00716.56
7.4.290.0000.00716.51
7.4.280.0000.00716.52
7.4.270.0000.00716.65
7.4.260.0070.00016.40
7.4.250.0040.00416.39
7.4.240.0030.00316.59
7.4.230.0030.00316.42
7.4.220.0110.00616.40
7.4.210.0090.00716.57
7.4.200.0000.00716.54
7.4.160.0030.01916.41
7.4.150.0150.00317.40
7.4.140.0090.01317.86
7.4.130.0110.00716.50
7.4.120.0120.00516.51
7.4.110.0120.00616.71
7.4.100.0140.00716.42
7.4.90.0090.01216.41
7.4.80.0090.00619.39
7.4.70.0110.00816.46
7.4.60.0130.00316.56
7.4.50.0050.00316.52
7.4.40.0030.01316.36
7.4.30.0000.01716.44
7.4.00.0070.00915.16
7.3.330.0000.00513.18
7.3.320.0020.00213.14
7.3.310.0000.00716.41
7.3.300.0060.00016.31
7.3.290.0080.01016.41
7.3.280.0100.00916.33
7.3.270.0070.01017.40
7.3.260.0060.01316.56
7.3.250.0070.01016.44
7.3.240.0060.01216.59
7.3.230.0040.01816.39
7.3.210.0070.01016.40
7.3.200.0070.01016.22
7.3.190.0090.00916.32
7.3.180.0090.01216.59
7.3.170.0070.01416.31
7.3.160.0090.00916.63
7.3.120.0130.00614.79
7.3.110.0130.00314.75
7.3.100.0060.01215.01
7.3.90.0030.00914.86
7.3.80.0060.00814.79
7.3.70.0030.00614.66
7.3.60.0130.00314.70
7.3.50.0090.00314.53
7.3.40.0070.00414.67
7.3.30.0100.00014.80
7.3.20.0120.00316.68
7.3.10.0070.00716.75
7.3.00.0030.01316.59
7.2.330.0070.01016.55
7.2.320.0100.00716.34
7.2.310.0110.00716.68
7.2.300.0080.01116.62
7.2.290.0110.00716.37
7.2.250.0120.00614.80
7.2.240.0060.01314.98
7.2.230.0080.00814.79
7.2.220.0040.00714.91
7.2.210.0030.01314.80
7.2.200.0080.00815.00
7.2.190.0030.00915.07
7.2.180.0080.00315.03
7.2.170.0000.00914.99
7.2.60.0070.00716.93
7.2.00.0060.00619.30
7.1.330.0060.00915.27
7.1.320.0060.00915.34
7.1.310.0060.00315.38
7.1.300.0060.00615.40
7.1.290.0030.00715.66
7.1.280.0070.00315.53
7.1.270.0040.01115.63
7.1.260.0070.00715.53
7.1.200.0070.00715.71
7.1.100.0040.00418.08
7.1.70.0040.00416.76
7.1.60.0150.00420.03
7.1.50.0110.01116.59
7.1.00.0070.07322.45
7.0.200.0930.01014.36
7.0.60.0100.07019.94
7.0.50.0000.05717.89
7.0.40.0130.08320.23
7.0.30.0330.07020.23
7.0.20.0270.05720.23
7.0.10.0070.07320.23
7.0.00.0100.08720.19
5.6.280.0030.03020.86
5.6.210.0130.06320.75
5.6.200.0030.04318.15
5.6.190.0030.05320.47
5.6.180.3770.04020.59
5.6.170.0230.03720.50
5.6.160.0030.09020.56
5.6.150.0070.03718.25
5.6.140.0100.05018.19
5.6.130.0070.06018.24
5.6.120.0130.07721.13
5.6.110.0070.04321.01
5.6.100.0030.04321.09
5.6.90.0030.06321.13
5.6.80.0100.07720.37
5.6.70.4430.04320.39
5.5.350.0170.07720.36
5.5.340.0100.07317.95
5.5.330.0070.03720.37
5.5.320.3230.04720.38
5.5.310.0330.06720.24
5.5.300.0030.09018.08
5.5.290.0130.07717.98
5.5.280.0070.09020.77
5.5.270.0070.08720.80
5.5.260.0130.08020.88
5.5.250.0030.08320.57
5.5.240.0230.06320.18
5.4.450.0230.05719.60
5.4.440.0230.05019.61
5.4.430.0230.04719.58
5.4.420.0300.05019.46
5.4.410.0200.05719.45
5.4.400.0170.06019.28
5.4.390.0200.06018.98
5.4.380.0330.07319.00
5.4.370.0230.04719.01
5.4.360.0170.05319.07
5.4.350.0200.06019.16
5.4.340.0200.05319.14
5.4.320.0100.06718.87
5.4.310.0230.05019.01
5.4.300.0400.05019.27
5.4.290.0200.05019.15
5.4.280.0330.04319.31
5.4.270.0230.05319.13
5.4.260.0200.05719.13
5.4.250.0130.06018.97
5.4.240.0270.04319.30
5.4.230.0300.04018.88
5.4.220.0270.04719.12
5.4.210.0170.05319.26
5.4.200.0300.04719.14
5.4.190.0230.05019.10
5.4.180.0270.04719.29
5.4.170.0200.06019.23
5.4.160.0230.05018.96
5.4.150.0170.06019.13
5.4.140.0200.05716.36
5.4.130.0200.04716.43
5.4.120.0230.04316.52
5.4.110.0070.06016.46
5.4.100.0270.06016.66
5.4.90.0300.04016.56
5.4.80.0170.04716.64
5.4.70.0070.07016.39
5.4.60.0270.04016.54
5.4.50.0130.05716.51
5.4.40.0270.07016.49
5.4.30.0200.03316.56
5.4.20.0200.04016.43

preferences:
60.91 ms | 401 KiB | 5 Q