3v4l.org

run code in 300+ PHP versions simultaneously
<?php namespace One; abstract class Abs { public function __toString() { return strtolower(get_called_class()); /* Should print test, not abs :P */ } } namespace Two; class Test extends One\Abs { } $x = new Two\Test; echo $x;

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)
8.3.60.0170.00316.63
8.3.50.0070.00719.94
8.3.40.0110.00418.54
8.3.30.0100.00318.84
8.3.20.0070.00020.16
8.3.10.0040.00421.73
8.3.00.0040.00417.93
8.2.180.0140.00416.75
8.2.170.0120.00322.96
8.2.160.0130.00620.52
8.2.150.0040.00424.18
8.2.140.0050.00224.66
8.2.130.0040.01126.16
8.2.120.0080.00020.97
8.2.110.0030.00622.19
8.2.100.0120.00319.48
8.2.90.0040.00419.28
8.2.80.0030.00617.97
8.2.70.0050.00317.50
8.2.60.0000.00817.91
8.2.50.0050.00318.07
8.2.40.0080.00018.22
8.2.30.0080.00018.15
8.2.20.0090.00017.63
8.2.10.0040.00418.12
8.2.00.0030.00617.76
8.1.280.0140.00025.92
8.1.270.0080.00023.79
8.1.260.0040.00426.35
8.1.250.0040.00428.09
8.1.240.0030.00623.79
8.1.230.0070.00319.04
8.1.220.0050.00317.74
8.1.210.0050.00318.77
8.1.200.0000.00817.35
8.1.190.0080.00016.98
8.1.180.0040.00418.10
8.1.170.0040.00418.70
8.1.160.0000.00821.93
8.1.150.0040.00418.75
8.1.140.0040.00417.32
8.1.130.0030.00617.39
8.1.120.0040.00417.36
8.1.110.0000.00717.41
8.1.100.0030.00317.29
8.1.90.0040.00417.47
8.1.80.0040.00417.39
8.1.70.0070.00017.29
8.1.60.0030.00617.58
8.1.50.0040.00417.46
8.1.40.0070.00017.36
8.1.30.0030.00517.41
8.1.20.0030.00617.57
8.1.10.0030.00517.39
8.1.00.0040.00417.46
8.0.300.0050.00318.77
8.0.290.0000.00716.75
8.0.280.0070.00018.46
8.0.270.0070.00017.27
8.0.260.0030.00516.88
8.0.250.0040.00416.92
8.0.240.0000.00717.02
8.0.230.0000.00817.03
8.0.220.0030.00317.00
8.0.210.0050.00216.84
8.0.200.0040.00417.03
8.0.190.0040.00416.99
8.0.180.0000.00716.98
8.0.170.0000.00816.98
8.0.160.0030.00317.05
8.0.150.0070.00016.78
8.0.140.0070.00016.80
8.0.130.0030.00313.41
8.0.120.0050.00316.82
8.0.110.0040.00416.96
8.0.100.0030.00516.86
8.0.90.0030.00316.81
8.0.80.0080.00817.02
8.0.70.0040.00416.83
8.0.60.0040.00416.85
8.0.50.0040.00417.00
8.0.30.0100.01016.86
8.0.20.0110.01117.40
8.0.10.0000.00716.89
8.0.00.0170.00816.75
7.4.330.0000.00515.03
7.4.320.0000.00616.46
7.4.300.0030.00316.42
7.4.290.0070.00016.58
7.4.280.0000.00716.52
7.4.270.0020.00516.53
7.4.260.0030.00716.41
7.4.250.0000.00816.39
7.4.240.0050.00216.40
7.4.230.0030.00316.61
7.4.220.0000.01716.61
7.4.210.0060.01316.48
7.4.200.0070.00016.35
7.4.160.0000.02016.59
7.4.150.0110.00717.40
7.4.140.0050.01217.86
7.4.130.0120.00516.55
7.4.120.0110.00816.42
7.4.110.0110.00916.30
7.4.100.0090.00916.55
7.4.90.0170.00716.42
7.4.80.0060.01819.39
7.4.70.0140.00416.70
7.4.60.0030.01516.57
7.4.50.0050.00316.61
7.4.40.0060.01216.27
7.4.30.0000.01716.32
7.4.00.0080.00614.86
7.3.330.0000.00613.31
7.3.320.0000.00513.25
7.3.310.0000.00716.39
7.3.300.0000.00716.30
7.3.290.0160.00316.28
7.3.280.0110.00716.29
7.3.270.0110.00617.40
7.3.260.0130.00316.34
7.3.250.0050.01216.45
7.3.240.0030.01316.34
7.3.230.0030.01416.57
7.3.210.0060.01116.39
7.3.200.0060.01619.39
7.3.190.0090.00916.40
7.3.180.0060.01216.32
7.3.170.0090.00616.61
7.3.160.0060.00916.63
7.3.120.0100.00614.91
7.3.10.0220.00716.35
7.3.00.0170.00315.93
7.2.330.0210.00316.30
7.2.320.0080.00916.36
7.2.310.0070.01116.54
7.2.300.0060.01316.29
7.2.290.0130.01016.37
7.2.130.0130.00816.31
7.2.120.0210.00615.95
7.2.110.0180.00416.18
7.2.100.0190.00716.18
7.2.90.0150.01316.48
7.2.80.0060.02016.45
7.2.70.0150.00716.25
7.2.60.0060.01316.22
7.2.50.0120.00816.28
7.2.40.0140.00416.07
7.2.30.0190.00616.64
7.2.20.0190.00616.64
7.2.10.0130.00616.22
7.2.00.0050.01217.84
7.1.250.0110.01115.13
7.1.200.0070.00715.70
7.1.100.0110.00717.96
7.1.70.0000.00816.96
7.1.60.0100.01419.40
7.1.50.0000.02416.84
7.1.00.0030.07722.54
7.0.200.0040.00416.69
7.0.140.0030.07321.95
7.0.60.0030.07319.86
7.0.50.0030.04717.81
7.0.40.0070.05020.13
7.0.30.0300.04320.13
7.0.20.0130.04320.30
7.0.10.0030.06020.33
7.0.00.0200.07320.15
5.6.280.0030.07321.15
5.6.210.0070.07720.53
5.6.200.0100.06018.13
5.6.190.0030.05320.52
5.6.180.0330.04020.60
5.6.170.0230.04720.56
5.6.160.0030.08720.48
5.6.150.0100.04718.16
5.6.140.0100.07718.23
5.6.130.0070.07018.12
5.6.120.0070.05721.02
5.6.110.0170.07721.13
5.6.100.0200.04020.98
5.6.90.0070.08720.95
5.6.80.0030.05020.40
5.5.350.3900.04020.44
5.5.340.0070.08017.98
5.5.330.0100.08320.32
5.5.320.0300.07020.34
5.5.310.0230.04720.34
5.5.300.0100.07317.98
5.5.290.0030.05718.00
5.5.280.0030.04020.97
5.5.270.0030.08320.76
5.5.260.0070.03720.87
5.5.250.0070.06320.79
5.5.240.0030.04320.16
5.4.450.0900.04319.28
5.4.440.0430.04019.41
5.4.430.0500.05319.36
5.4.420.0530.04019.47
5.4.410.0400.03719.44
5.4.400.0370.03719.07
5.4.390.0430.04318.84
5.4.380.0900.08318.68
5.4.370.0800.04318.72
5.4.360.0700.06318.75
5.4.350.1170.05318.77
5.4.340.0830.06318.62
5.4.320.0080.03412.50
5.4.310.0060.03812.50
5.4.300.0080.03412.50
5.4.290.0030.04012.49
5.4.280.0040.03712.39
5.4.270.0070.03512.40
5.4.260.0060.03712.39
5.4.250.0040.03812.40
5.4.240.0010.04112.40
5.4.230.0060.03912.39
5.4.220.0050.03912.39
5.4.210.0050.03512.39
5.4.200.0080.04012.38
5.4.190.0050.03912.39
5.4.180.0080.03712.39
5.4.170.0100.03512.39
5.4.160.0050.03712.39
5.4.150.0040.03712.38
5.4.140.0070.03612.07
5.4.130.0060.03512.06
5.4.120.0090.03712.02
5.4.110.0050.03512.02
5.4.100.0060.03612.01
5.4.90.0090.04212.01
5.4.80.0050.03712.01
5.4.70.0080.04512.01
5.4.60.0070.03412.00
5.4.50.0090.03212.01
5.4.40.0030.03612.00
5.4.30.0040.03611.99
5.4.20.0050.03712.00
5.4.10.0050.03511.99
5.4.00.0050.04111.49
5.3.290.0100.04312.80
5.3.280.0110.03812.71
5.3.270.0060.03912.72
5.3.260.0040.04012.72
5.3.250.0100.04212.72
5.3.240.0060.03612.72
5.3.230.0060.04012.71
5.3.220.0100.05112.68
5.3.210.0100.03512.68
5.3.200.0050.03812.68
5.3.190.0060.04412.68
5.3.180.0060.03612.67
5.3.170.0060.04312.67
5.3.160.0060.04112.67
5.3.150.0060.03712.68
5.3.140.0030.04012.66
5.3.130.0060.03812.66
5.3.120.0050.03912.66
5.3.110.0040.04012.66
5.3.100.0070.03512.13
5.3.90.0060.03712.10
5.3.80.0060.03612.09
5.3.70.0070.03512.10
5.3.60.0040.03812.07
5.3.50.0060.03912.03
5.3.40.0050.03712.03
5.3.30.0130.02911.98
5.3.20.0040.03811.77
5.3.10.0090.03811.73
5.3.00.0050.04111.72
5.2.170.0050.0329.18
5.2.160.0060.0339.18
5.2.150.0070.0329.18
5.2.140.0050.0419.18
5.2.130.0070.0279.14
5.2.120.0040.0299.14
5.2.110.0040.0319.14
5.2.100.0040.0319.14
5.2.90.0030.0329.14
5.2.80.0090.0349.14
5.2.70.0050.0329.14
5.2.60.0070.0319.09
5.2.50.0050.0359.06
5.2.40.0040.0309.04
5.2.30.0040.0389.02
5.2.20.0100.0299.01
5.2.10.0050.0308.93
5.2.00.0050.0288.78
5.1.60.0050.0248.07
5.1.50.0050.0248.06
5.1.40.0090.0198.05
5.1.30.0030.0268.40
5.1.20.0040.0308.42
5.1.10.0050.0308.14
5.1.00.0030.0258.14
5.0.50.0030.0206.62
5.0.40.0050.0196.48
5.0.30.0040.0306.29
5.0.20.0030.0196.26
5.0.10.0020.0216.24
5.0.00.0030.0316.23
4.4.90.0040.0154.78
4.4.80.0030.0144.75
4.4.70.0030.0144.76
4.4.60.0030.0154.76
4.4.50.0030.0214.77
4.4.40.0020.0264.71
4.4.30.0060.0124.76
4.4.20.0010.0174.84
4.4.10.0020.0164.85
4.4.00.0020.0274.76
4.3.110.0050.0204.67
4.3.100.0020.0214.67
4.3.90.0010.0164.63
4.3.80.0040.0234.58
4.3.70.0030.0144.63
4.3.60.0010.0164.63
4.3.50.0030.0154.63
4.3.40.0020.0244.54
4.3.30.0010.0163.28
4.3.20.0000.0183.26
4.3.10.0040.0153.22
4.3.00.0030.01715.88

preferences:
75.76 ms | 400 KiB | 5 Q