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)
8.3.40.0120.00918.77
8.3.30.0070.00718.67
8.3.20.0080.00020.20
8.3.10.0030.00621.91
8.3.00.0030.00519.68
8.2.170.0040.01122.96
8.2.160.0100.01020.39
8.2.150.0050.00224.18
8.2.140.0080.00024.66
8.2.130.0040.00426.16
8.2.120.0100.00017.50
8.2.110.0030.00622.27
8.2.100.0070.00417.63
8.2.90.0040.00419.05
8.2.80.0050.00517.97
8.2.70.0000.00817.63
8.2.60.0050.00317.89
8.2.50.0000.00918.07
8.2.40.0030.00620.94
8.2.30.0000.00719.66
8.2.20.0000.00817.62
8.2.10.0070.00018.05
8.2.00.0000.00717.88
8.1.270.0060.01320.34
8.1.260.0080.00026.35
8.1.250.0030.00528.09
8.1.240.0030.00622.34
8.1.230.0090.00317.42
8.1.220.0040.00417.74
8.1.210.0000.00818.77
8.1.200.0030.00617.00
8.1.190.0000.00916.88
8.1.180.0000.00818.10
8.1.170.0030.00518.52
8.1.160.0030.00322.18
8.1.150.0040.00418.68
8.1.140.0100.00017.24
8.1.130.0000.00717.47
8.1.120.0040.00417.25
8.1.110.0040.00417.39
8.1.100.0000.00717.38
8.1.90.0070.00017.26
8.1.80.0070.00017.31
8.1.70.0100.00017.37
8.1.60.0040.00417.41
8.1.50.0050.00217.40
8.1.40.0000.00817.49
8.1.30.0030.00517.43
8.1.20.0000.00717.57
8.1.10.0020.00517.47
8.1.00.0040.00417.52
8.0.300.0000.00718.77
8.0.290.0040.00416.63
8.0.280.0030.00318.43
8.0.270.0030.00317.11
8.0.260.0030.00317.19
8.0.250.0050.00316.83
8.0.240.0060.00317.03
8.0.230.0000.00716.88
8.0.220.0070.00016.86
8.0.210.0040.00416.95
8.0.200.0060.00016.93
8.0.190.0040.00416.82
8.0.180.0000.00716.90
8.0.170.0000.00816.84
8.0.160.0080.00016.88
8.0.150.0000.00816.90
8.0.140.0050.00516.72
8.0.130.0030.00313.31
8.0.120.0040.00416.87
8.0.110.0000.00716.89
8.0.100.0000.00716.69
8.0.90.0030.00416.91
8.0.80.0070.00716.81
8.0.70.0070.00016.73
8.0.60.0050.00216.78
8.0.50.0000.00716.72
8.0.30.0120.00617.03
8.0.20.0130.00617.40
8.0.10.0060.00316.94
8.0.00.0080.01116.83
7.4.330.0050.00015.08
7.4.320.0060.00016.61
7.4.300.0030.00316.59
7.4.290.0040.00416.59
7.4.280.0040.00416.61
7.4.270.0000.00616.37
7.4.260.0070.00016.49
7.4.250.0040.00416.55
7.4.240.0040.00316.51
7.4.230.0070.00016.67
7.4.220.0140.00416.54
7.4.210.0030.01316.55
7.4.200.0030.00316.59
7.4.160.0070.01416.42
7.4.150.0120.00617.40
7.4.140.0160.00817.86
7.4.130.0090.00916.47
7.4.120.0090.01016.53
7.4.110.0160.00316.54
7.4.100.0070.01416.59
7.4.90.0130.00316.50
7.4.80.0070.01019.39
7.4.70.0060.01116.53
7.4.60.0060.00916.58
7.4.50.0040.00416.38
7.4.40.0060.01216.73
7.4.30.0070.01416.47
7.4.00.0060.01115.05
7.3.330.0000.00513.12
7.3.320.0050.00013.08
7.3.310.0000.00816.12
7.3.300.0000.00616.25
7.3.290.0080.01016.29
7.3.280.0090.00716.29
7.3.270.0170.00717.40
7.3.260.0120.00616.59
7.3.250.0120.00716.29
7.3.240.0100.00816.50
7.3.230.0130.01616.39
7.3.210.0110.00616.25
7.3.200.0030.01416.36
7.3.190.0110.00616.34
7.3.180.0100.01016.37
7.3.170.0070.01016.29
7.3.160.0030.01516.22
7.3.120.0030.01314.52
7.3.110.0040.01214.71
7.3.100.0090.00314.73
7.3.90.0100.00314.70
7.3.80.0060.00614.79
7.3.70.0060.00314.78
7.3.60.0060.00314.63
7.3.50.0070.01014.73
7.3.40.0100.00714.82
7.3.30.0040.00414.78
7.3.20.0090.00616.72
7.3.10.0120.00316.66
7.3.00.0130.00016.51
7.2.330.0030.01316.62
7.2.320.0100.00716.35
7.2.310.0030.01316.70
7.2.300.0120.00616.61
7.2.290.0150.00316.50
7.2.250.0070.01415.05
7.2.240.0070.01014.82
7.2.230.0060.00915.01
7.2.220.0030.01414.95
7.2.210.0000.01215.18
7.2.200.0070.00415.05
7.2.190.0030.00614.91
7.2.180.0060.01014.85
7.2.170.0030.01115.04
7.2.80.0070.01016.81
7.2.60.0040.01117.01
7.2.00.0060.00619.40
7.1.330.0060.00915.72
7.1.320.0040.01115.65
7.1.310.0040.00415.49
7.1.300.0030.01515.68
7.1.290.0040.01215.37
7.1.280.0000.00815.66
7.1.270.0100.00315.42
7.1.260.0060.00615.84
7.1.200.0100.00315.45
7.1.100.0060.00617.79
7.1.70.0030.00316.61
7.1.60.0220.00020.03
7.1.50.0110.01116.63
7.1.00.0070.07322.33
7.0.200.0590.00314.53
7.0.60.0130.07021.70
7.0.50.0070.04317.85
7.0.40.0130.07020.13
7.0.30.0300.07720.19
7.0.20.0270.07320.17
7.0.10.0030.04320.25
7.0.00.0170.07720.11
5.6.280.0070.06021.13
5.6.210.0030.05020.75
5.6.200.0100.04318.18
5.6.190.0000.05020.61
5.6.180.0400.05320.61
5.6.170.0200.04020.52
5.6.160.0100.06720.46
5.6.150.0000.04018.27
5.6.140.0030.08318.27
5.6.130.0100.07718.18
5.6.120.0030.05721.00
5.6.110.0000.09321.09
5.6.100.0130.05321.14
5.6.90.0030.06320.97
5.6.80.0070.03320.51
5.5.350.0170.08320.44
5.5.340.0070.07318.05
5.5.330.0070.03720.46
5.5.320.0270.07320.37
5.5.310.0330.06720.27
5.5.300.0100.03317.95
5.5.290.0100.07717.96
5.5.280.0070.07020.88
5.5.270.0100.04020.87
5.5.260.0070.04720.68
5.5.250.0100.03720.79
5.5.240.0200.06320.27
5.4.450.4600.04319.33
5.4.440.3130.04719.45
5.4.430.3570.04019.58
5.4.420.3670.03719.25
5.4.410.4030.03019.42
5.4.400.3670.04019.15
5.4.390.3900.04319.24
5.4.380.3970.03319.16
5.4.370.3970.03719.23
5.4.360.3930.03719.13
5.4.350.4730.02719.17
5.4.340.3870.03319.05
5.4.320.3870.03718.95
5.4.310.3870.04019.13
5.4.300.4330.03318.95
5.4.290.3830.04019.13
5.4.280.3500.04019.00
5.4.270.4330.04019.14
5.4.260.4800.03319.11
5.4.250.4500.04319.03
5.4.240.1470.04019.16
5.4.230.1700.04718.94
5.4.220.3830.04018.95
5.4.210.3770.03719.14
5.4.200.3000.03318.94
5.4.190.1670.04019.21
5.4.180.2470.02719.21
5.4.170.0570.03319.26
5.4.160.1600.03019.17
5.4.150.2170.05319.23
5.4.140.2700.03716.49
5.4.130.3830.04016.39
5.4.120.3830.03316.55
5.4.110.3900.03716.58
5.4.100.3900.03716.49
5.4.90.3930.03716.30
5.4.80.3700.03016.39

preferences:
43.03 ms | 400 KiB | 5 Q