3v4l.org

run code in 300+ PHP versions simultaneously
<?php $anonymous = new class { public function echoMsg(): void { echo 'Hello World' . PHP_EOL; } }; class_alias(get_class($anonymous), 'IHaveName'); class ExtendAnonymous extends IHaveName { } $instance = new ExtendAnonymous(); $instance->echoMsg(); var_dump($instance); var_dump(get_class($instance)); var_dump($instance instanceof $anonymous);

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)
8.5.00.0120.00919.99
8.4.150.0020.00114.05
8.4.140.0110.01317.51
8.4.130.0100.01017.46
8.4.120.0100.01020.53
8.4.110.0140.00618.62
8.4.100.0120.00917.65
8.4.90.0100.01217.59
8.4.80.0050.00419.58
8.4.70.0070.00117.79
8.4.60.0120.00919.05
8.4.50.0120.00918.45
8.4.40.0130.00617.55
8.4.30.0090.00018.78
8.4.20.0160.00620.68
8.4.10.0100.01019.09
8.3.280.0010.00114.05
8.3.270.0110.00816.55
8.3.260.0130.00716.54
8.3.250.0120.00819.04
8.3.240.0070.00318.37
8.3.230.0120.00516.63
8.3.220.0120.00616.50
8.3.210.0070.01116.51
8.3.200.0040.00516.73
8.3.190.0080.00619.09
8.3.180.0090.00716.61
8.3.170.0030.01418.70
8.3.160.0070.01122.70
8.3.150.0060.00916.80
8.3.140.0040.00416.80
8.3.130.0090.00018.23
8.3.120.0060.00319.18
8.3.110.0030.00620.94
8.3.100.0030.00624.06
8.3.90.0120.00626.77
8.3.80.0090.00017.97
8.3.70.0150.00018.30
8.3.60.0150.00016.75
8.3.50.0110.00716.56
8.3.40.0060.00920.17
8.3.30.0150.00021.78
8.3.20.0000.00724.18
8.3.10.0040.00424.66
8.3.00.0040.00426.16
8.2.290.0120.00620.30
8.2.280.0130.00520.18
8.2.270.0090.00917.30
8.2.260.0040.00418.52
8.2.250.0080.00016.50
8.2.240.0060.00319.08
8.2.230.0070.00322.58
8.2.220.0060.00337.54
8.2.210.0130.00626.77
8.2.200.0090.00016.75
8.2.190.0080.00816.58
8.2.180.0100.01316.38
8.2.170.0000.01518.93
8.2.160.0070.00722.96
8.2.150.0040.00425.66
8.2.140.0040.00424.66
8.2.130.0040.00426.16
8.2.120.0000.00821.00
8.2.110.0110.00820.98
8.2.100.0150.00220.38
8.2.90.0140.00618.88
8.2.80.0140.00718.74
8.2.70.0180.00619.09
8.2.60.0150.00618.61
8.2.50.0080.00820.55
8.2.40.0160.00319.31
8.2.30.0140.00218.65
8.2.20.0140.00419.02
8.2.10.0130.00620.14
8.2.00.0120.00719.14
8.1.330.0100.00916.80
8.1.320.0050.00316.28
8.1.310.0140.00416.50
8.1.300.0090.00920.22
8.1.290.0030.00630.84
8.1.280.0090.00625.92
8.1.270.0040.00423.99
8.1.260.0080.00026.35
8.1.250.0080.00028.09
8.1.240.0140.00219.11
8.1.230.0100.00819.00
8.1.220.0090.00719.10
8.1.210.0120.00719.73
8.1.200.0140.00318.39
8.1.190.0110.00619.68
8.1.180.0120.00818.28
8.1.170.0180.00019.00
8.1.160.0120.00618.67
8.1.150.0100.00720.47
8.1.140.0090.00719.64
8.1.130.0130.00719.17
8.1.120.0110.00418.54
8.1.110.0080.00319.75
8.1.100.0050.00919.64
8.1.90.0090.00319.05
8.1.80.0090.00318.49
8.1.70.0080.00418.74
8.1.60.0130.00719.24
8.1.50.0100.00518.49
8.1.40.0090.00318.65
8.1.30.0110.00119.50
8.1.20.0130.00119.36
8.1.10.0080.00418.77
8.1.00.0100.00418.67
8.0.300.0080.00717.81
8.0.290.0080.00718.29
8.0.280.0080.00517.86
8.0.270.0100.00417.84
8.0.260.0100.00219.63
8.0.250.0100.00518.35
8.0.240.0120.00117.89
8.0.230.0110.00118.36
8.0.220.0120.00817.74
8.0.210.0120.00318.38
8.0.200.0110.00617.94
8.0.190.0090.00418.34
8.0.180.0080.00617.74
8.0.170.0090.00518.46
8.0.160.0130.00118.41
8.0.150.0110.00317.69
8.0.140.0170.00317.80
8.0.130.0130.00518.26
8.0.120.0110.00518.47
8.0.110.0050.00919.55
8.0.100.0060.00718.36
8.0.90.0110.00317.77
8.0.80.0110.00518.34
8.0.70.0120.00218.42
8.0.60.0130.00318.77
8.0.50.0130.00318.23
8.0.30.0070.00418.29
8.0.20.0120.00117.88
8.0.10.0100.00318.54
8.0.00.0060.00622.17
7.4.330.0070.00416.30
7.4.320.0100.00317.46
7.4.300.0060.00418.71
7.4.290.0070.00217.95
7.4.280.0150.00017.46
7.4.270.0090.00118.05
7.4.260.0110.00717.46
7.4.250.0040.00518.04
7.4.240.0140.00317.39
7.4.230.0080.00517.48
7.4.220.0070.00218.17
7.4.210.0110.00117.28
7.4.200.0050.00318.15
7.4.190.0130.00317.52
7.4.180.0080.00218.16
7.4.160.0080.00318.11
7.4.150.0070.00518.13
7.4.140.0050.00518.15
7.4.130.0080.00317.29
7.4.120.0070.00417.98
7.4.110.0100.00417.38
7.4.100.0120.00118.04
7.4.90.0100.00317.25
7.4.80.0080.00517.95
7.4.70.0100.00617.36
7.4.60.0130.00117.26
7.4.50.0130.00517.32
7.4.40.0140.00317.29
7.4.30.0110.00217.37
7.4.20.0120.00217.97
7.4.10.0130.00517.98
7.4.00.0020.00618.13
7.3.330.0140.00017.29
7.3.320.0160.00417.06
7.3.310.0140.00417.22
7.3.300.0190.00217.23
7.3.290.0150.00417.18
7.3.280.0130.00917.79
7.3.270.0160.00717.12
7.3.260.0130.00717.24
7.3.250.0150.00517.77
7.3.240.0140.00717.83
7.3.230.0250.00417.33
7.3.220.0260.00517.07
7.3.210.0250.00517.12
7.3.200.0210.00917.06
7.3.190.0190.01017.25
7.3.180.0280.00217.30
7.3.170.0260.00417.11
7.3.160.0200.00717.15
7.3.150.0220.00817.84
7.3.140.0240.00717.58
7.3.130.0230.00417.08
7.3.120.0210.00417.13
7.3.110.0220.00717.08
7.3.100.0220.00617.75
7.3.90.0180.00717.98
7.3.80.0260.00117.25
7.3.70.0230.00617.02
7.3.60.0240.00517.99
7.3.50.0270.00317.17
7.3.40.0160.00917.23
7.3.30.0170.00417.25
7.3.20.0210.00419.05
7.3.10.0190.00419.13
7.3.00.0060.00619.29
7.2.340.0080.00517.43
7.2.330.0140.00717.13
7.2.320.0180.00317.79
7.2.310.0190.00317.28
7.2.300.0170.00517.03
7.2.290.0190.00317.25
7.2.280.0180.00417.27
7.2.270.0180.00517.22
7.2.260.0180.00417.29
7.2.250.0190.00317.12
7.2.240.0190.00317.12
7.2.230.0180.00317.23
7.2.220.0260.00517.40
7.2.210.0180.00517.17
7.2.200.0210.00617.34
7.2.190.0160.00318.08
7.2.180.0260.00417.46
7.2.170.0220.00717.47
7.2.160.0230.00517.58
7.2.150.0120.00821.35
7.2.140.0210.00219.21
7.2.130.0190.00519.37
7.2.120.0150.00519.39
7.2.110.0140.00819.30
7.2.100.0150.00419.29
7.2.90.0130.00519.20
7.2.80.0150.00219.37
7.2.70.0110.00519.43
7.2.60.0150.00219.32
7.2.50.0220.00119.26
7.2.40.0190.00319.45
7.2.30.0160.00519.40
7.2.20.0160.00619.47
7.2.10.0140.00520.45
7.2.00.0110.00419.35
7.1.330.0080.00418.36
7.1.320.0090.00518.36
7.1.310.0160.00218.30
7.1.300.0160.00218.23
7.1.290.0140.00718.34
7.1.280.0190.00318.32
7.1.270.0190.00518.36
7.1.260.0160.00718.31
7.1.250.0200.00618.21
7.1.240.0190.00618.15
7.1.230.0150.00418.16
7.1.220.0140.00618.35
7.1.210.0150.00418.15
7.1.200.0140.00418.26
7.1.190.0140.00518.25
7.1.180.0200.00418.20
7.1.170.0150.00519.31
7.1.160.0150.00618.10
7.1.150.0190.00718.13
7.1.140.0160.00418.20
7.1.130.0160.00618.10
7.1.120.0180.00418.11
7.1.110.0120.00718.18
7.1.100.0210.00618.25
7.1.90.0120.00618.17
7.1.80.0170.00118.34
7.1.70.0120.00718.18
7.1.60.0200.00218.40
7.1.50.0210.00418.32
7.1.40.0190.00618.20
7.1.30.0190.00618.24
7.1.20.0170.00418.18
7.1.10.0180.00418.19
7.1.00.0220.00318.23
7.0.330.0120.00617.90
7.0.320.0140.00717.90
7.0.310.0150.00917.94
7.0.300.0190.00117.89
7.0.290.0170.00117.69
7.0.280.0160.00617.86
7.0.270.0210.00517.82
7.0.260.0190.00517.97
7.0.250.0190.00218.39
7.0.240.0150.00717.93
7.0.230.0150.00418.09
7.0.220.0200.00317.94
7.0.210.0140.00219.07
7.0.200.0120.00317.97
7.0.190.0170.00118.01
7.0.180.0110.00518.02
7.0.170.0110.00318.16
7.0.160.0130.00217.87
7.0.150.0120.00417.88
7.0.140.0160.00417.98
7.0.130.0170.00317.92
7.0.120.0150.00317.96
7.0.110.0140.00217.95
7.0.100.0110.00317.90
7.0.90.0100.00817.89
7.0.80.0180.00217.95
7.0.70.0170.00317.90
7.0.60.0080.00617.85
7.0.50.0130.00617.77
7.0.40.0140.00517.83
7.0.30.0180.00517.93
7.0.20.0180.00717.85
7.0.10.0210.00317.84
7.0.00.0210.00517.69
5.6.400.0170.00616.52
5.6.390.0190.00716.42
5.6.380.0190.00616.39
5.6.370.0220.00516.57
5.6.360.0220.00516.47
5.6.350.0200.00516.52
5.6.340.0140.00516.43
5.6.330.0060.00916.53
5.6.320.0090.00616.46
5.6.310.0100.00316.54
5.6.300.0070.00416.35
5.6.290.0100.00416.61
5.6.280.0150.00416.64
5.6.270.0120.00316.62
5.6.260.0130.00516.40
5.6.250.0080.00216.55
5.6.240.0080.00316.56
5.6.230.0080.00416.69
5.6.220.0070.00516.67
5.6.210.0140.00416.52
5.6.200.0160.00116.72
5.6.190.0060.00416.68
5.6.180.0040.00616.71
5.6.170.0060.00316.70
5.6.160.0100.00616.66
5.6.150.0090.00216.70
5.6.140.0060.00416.57
5.6.130.0140.00116.51
5.6.120.0070.00316.45
5.6.110.0070.00416.51
5.6.100.0090.00016.56
5.6.90.0030.00516.57
5.6.80.0030.00516.54
5.6.70.0100.00116.48
5.6.60.0080.00016.54
5.6.50.0040.00416.46
5.6.40.0060.00616.48
5.6.30.0050.00316.57
5.6.20.0080.00416.50
5.6.10.0040.00416.54
5.6.00.0080.00516.62
5.5.380.0090.00616.64
5.5.370.0120.00316.53
5.5.360.0090.00416.38
5.5.350.0130.00116.47
5.5.340.0090.00516.46
5.5.330.0100.00416.43
5.5.320.0120.00316.51
5.5.310.0120.00316.44
5.5.300.0160.00216.46
5.5.290.0140.00416.44
5.5.280.0140.00616.42
5.5.270.0180.00316.35
5.5.260.0160.00216.38
5.5.250.0110.00516.62
5.5.240.0120.00216.57
5.5.230.0130.00416.57
5.5.220.0170.00616.50
5.5.210.0120.00416.48
5.5.200.0150.00516.38
5.5.190.0100.00516.45
5.5.180.0190.00316.32
5.5.170.0100.00416.39
5.5.160.0080.00616.38
5.5.150.0100.00416.30
5.5.140.0130.00416.30
5.5.130.0070.00516.32
5.5.120.0040.00716.33
5.5.110.0150.00316.31
5.5.100.0150.00216.45
5.5.90.0070.00416.54
5.5.80.0060.00516.53
5.5.70.0080.00316.53
5.5.60.0120.00016.44
5.5.50.0090.00216.65
5.5.40.0150.00216.50
5.5.30.0070.00516.84
5.5.20.0100.00516.62
5.5.10.0120.00216.32
5.5.00.0080.00516.51
5.4.450.0060.00316.30
5.4.440.0110.00316.30
5.4.430.0050.00316.30
5.4.420.0070.00116.30
5.4.410.0040.00416.30
5.4.400.0070.00216.30
5.4.390.0110.00516.30
5.4.380.0050.00316.30
5.4.370.0060.00116.30
5.4.360.0040.00316.30
5.4.350.0040.00316.30
5.4.340.0060.00116.30
5.4.330.0030.00416.30
5.4.320.0010.00516.30
5.4.310.0050.00116.30
5.4.300.0020.00416.30
5.4.290.0080.00216.30
5.4.280.0040.00416.30
5.4.270.0040.00216.30
5.4.260.0080.00116.30
5.4.250.0040.00416.30
5.4.240.0070.00116.30
5.4.230.0110.00216.30
5.4.220.0050.00316.30
5.4.210.0030.00516.30
5.4.200.0090.00016.30
5.4.190.0020.00516.30
5.4.180.0030.00416.30
5.4.170.0070.00116.30
5.4.160.0050.00416.30
5.4.150.0080.00516.30
5.4.140.0020.00416.30
5.4.130.0070.00316.30
5.4.120.0040.00216.30
5.4.110.0040.00216.30
5.4.100.0050.00116.30
5.4.90.0010.00516.30
5.4.80.0060.00016.30
5.4.70.0040.00216.30
5.4.60.0030.00316.30
5.4.50.0060.00416.30
5.4.40.0030.00316.30
5.4.30.0030.00316.30
5.4.20.0060.00016.30
5.4.10.0050.00116.30
5.4.00.0070.00216.30
5.3.290.0040.00216.30
5.3.280.0040.00216.30
5.3.270.0050.00416.30
5.3.260.0050.00116.30
5.3.250.0030.00316.30
5.3.240.0030.00316.30
5.3.230.0050.00116.30
5.3.220.0030.00316.30
5.3.210.0040.00216.30
5.3.200.0090.00116.30
5.3.190.0040.00216.30
5.3.180.0050.00216.30
5.3.170.0030.00316.30
5.3.160.0030.00316.30
5.3.150.0060.00116.30
5.3.140.0040.00216.30
5.3.130.0050.00316.30
5.3.120.0060.00316.30
5.3.110.0040.00316.30
5.3.100.0040.00316.30
5.3.90.0030.00316.30
5.3.80.0030.00316.30
5.3.70.0040.00216.30
5.3.60.0050.00116.30
5.3.50.0040.00216.30
5.3.40.0030.00316.30
5.3.30.0050.00116.30
5.3.20.0040.00316.30
5.3.10.0040.00216.30
5.3.00.0070.00316.30
5.2.170.0020.00416.30
5.2.160.0030.00216.30
5.2.150.0040.00216.30
5.2.140.0020.00416.30
5.2.130.0040.00216.30
5.2.120.0040.00116.30
5.2.110.0040.00216.30
5.2.100.0030.00316.30
5.2.90.0030.00316.30
5.2.80.0030.00316.30
5.2.70.0050.00016.30
5.2.60.0040.00116.30
5.2.50.0040.00116.30
5.2.40.0050.00016.30
5.2.30.0040.00316.30
5.2.20.0070.00016.30
5.2.10.0070.00116.30
5.2.00.0050.00016.30
5.1.60.0020.00316.30
5.1.50.0030.00216.30
5.1.40.0040.00116.30
5.1.30.0010.00416.30
5.1.20.0060.00016.30
5.1.10.0020.00216.30
5.1.00.0050.00216.30
5.0.50.0030.00116.30
5.0.40.0030.00116.30
5.0.30.0040.00116.30
5.0.20.0020.00316.30
5.0.10.0030.00116.30
5.0.00.0030.00216.30
4.4.90.0010.00216.30
4.4.80.0020.00116.30
4.4.70.0000.00216.30
4.4.60.0010.00116.30
4.4.50.0010.00116.30
4.4.40.0010.00116.30
4.4.30.0010.00116.30
4.4.20.0010.00116.30
4.4.10.0010.00216.30
4.4.00.0010.00116.30
4.3.110.0010.00216.30
4.3.100.0020.00116.30
4.3.90.0010.00116.30
4.3.80.0010.00216.30
4.3.70.0010.00116.30
4.3.60.0010.00116.30
4.3.50.0020.00116.30
4.3.40.0000.00216.30
4.3.30.0000.00216.30
4.3.20.0010.00116.30
4.3.10.0000.00216.30
4.3.00.0000.00216.30

preferences:
99.3 ms | 403 KiB | 5 Q