3v4l.org

run code in 300+ PHP versions simultaneously
<?php class A { public function getThis(): self { return new B; } } class B extends A { } var_dump((new A)->getThis());

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)
8.3.70.0130.00916.36
8.3.60.0100.00716.75
8.3.50.0110.00921.19
8.3.40.0090.00618.66
8.3.30.0080.00618.76
8.3.20.0080.00020.20
8.3.10.0040.00423.61
8.3.00.0100.00022.51
8.2.190.0040.01216.58
8.2.180.0070.00716.63
8.2.170.0110.01122.96
8.2.160.0090.00621.99
8.2.150.0050.00324.18
8.2.140.0040.00424.66
8.2.130.0040.00426.16
8.2.120.0070.00021.03
8.2.110.0030.00622.01
8.2.100.0080.00317.59
8.2.90.0000.00817.78
8.2.80.0000.00818.86
8.2.70.0040.00417.38
8.2.60.0040.00417.93
8.2.50.0030.00518.07
8.2.40.0030.00620.94
8.2.30.0070.00017.78
8.2.20.0060.00317.62
8.2.10.0050.00317.92
8.2.00.0030.00317.84
8.1.280.0100.01025.92
8.1.270.0080.00020.28
8.1.260.0040.00426.35
8.1.250.0000.00828.09
8.1.240.0060.00323.79
8.1.230.0040.00820.86
8.1.220.0080.00017.74
8.1.210.0040.00418.77
8.1.200.0030.00617.22
8.1.190.0080.00017.22
8.1.180.0000.00818.10
8.1.170.0060.00318.71
8.1.160.0040.00421.95
8.1.150.0040.00418.76
8.1.140.0000.00717.32
8.1.130.0070.00017.51
8.1.120.0000.00717.31
8.1.110.0000.00717.40
8.1.100.0050.00217.21
8.1.90.0050.00217.30
8.1.80.0040.00417.25
8.1.70.0030.00317.36
8.1.60.0000.00817.51
8.1.50.0000.00817.35
8.1.40.0030.00517.39
8.1.30.0050.00317.63
8.1.20.0060.00317.59
8.1.10.0060.00617.47
8.1.00.0030.00617.43
8.0.300.0070.00020.14
8.0.290.0040.00416.63
8.0.280.0000.00718.32
8.0.270.0030.00317.10
8.0.260.0000.00617.05
8.0.250.0070.00316.91
8.0.240.0030.00316.90
8.0.230.0040.00416.78
8.0.220.0030.00316.72
8.0.210.0040.00416.75
8.0.200.0050.00516.91
8.0.190.0000.00716.91
8.0.180.0050.00216.75
8.0.170.0030.00616.77
8.0.160.0000.00716.84
8.0.150.0000.00716.73
8.0.140.0000.00716.71
8.0.130.0000.00613.29
8.0.120.0040.00416.88
8.0.110.0040.00416.72
8.0.100.0080.00016.70
8.0.90.0040.00416.85
8.0.80.0090.01216.89
8.0.70.0000.00716.61
8.0.60.0000.00816.77
8.0.50.0040.00416.62
8.0.30.0070.01316.87
8.0.20.0050.01417.40
8.0.10.0070.00016.81
8.0.00.0130.00616.61
7.4.330.0050.00015.09
7.4.320.0030.00416.38
7.4.300.0060.00016.46
7.4.290.0040.00416.33
7.4.280.0030.00516.32
7.4.270.0040.00416.46
7.4.260.0040.00416.36
7.4.250.0000.00716.48
7.4.240.0040.00316.47
7.4.230.0070.00016.51
7.4.220.0160.00716.57
7.4.210.0060.00916.47
7.4.200.0070.00016.63
7.4.160.0130.00316.60
7.4.150.0000.01717.40
7.4.140.0100.01217.86
7.4.130.0090.00916.42
7.4.120.0050.01316.43
7.4.110.0040.01516.25
7.4.100.0060.01216.38
7.4.90.0100.00716.40
7.4.80.0100.01019.39
7.4.70.0130.00316.42
7.4.60.0110.01116.30
7.4.50.0000.00816.47
7.4.40.0030.01916.43
7.4.30.0090.00916.54
7.4.00.0100.00714.86
7.3.330.0070.00013.22
7.3.320.0060.00013.09
7.3.310.0040.00416.04
7.3.300.0000.00716.19
7.3.290.0100.00816.18
7.3.280.0080.00816.19
7.3.270.0190.00617.40
7.3.260.0080.00816.18
7.3.250.0120.00516.18
7.3.240.0100.01016.14
7.3.230.0070.01416.39
7.3.210.0120.00916.52
7.3.200.0110.00316.18
7.3.190.0150.00316.45
7.3.180.0090.00716.33
7.3.170.0070.01016.28
7.3.160.0100.00616.28
7.3.10.0140.00316.44
7.3.00.0150.00316.01
7.2.330.0090.00916.58
7.2.320.0100.00616.27
7.2.310.0100.01016.23
7.2.300.0170.00016.61
7.2.290.0110.01116.57
7.2.130.0070.01016.30
7.2.120.0110.00616.50
7.2.110.0000.01416.40
7.2.100.0070.01116.38
7.2.90.0140.00916.54
7.2.80.0130.01016.57
7.2.70.0190.01016.64
7.2.60.0090.00516.64
7.2.50.0160.00916.27
7.2.40.0140.00716.87
7.2.30.0160.01016.42
7.2.20.0140.01016.46
7.2.10.0100.00616.59
7.2.00.0080.01117.92
7.1.250.0100.00715.46
7.1.200.0090.00315.55
7.1.100.0060.00617.64
7.1.70.0030.00617.01
7.1.60.0030.01319.18
7.1.50.0070.01716.90
7.1.00.0000.08022.54
7.0.200.0070.00316.58
7.0.60.0130.05019.86
7.0.50.0000.04317.88
7.0.40.0100.07720.11
7.0.30.0200.07320.16
7.0.20.0300.07320.23
7.0.10.0170.06320.22
7.0.00.0030.04320.22
5.6.280.0000.07020.89
5.6.210.0070.08720.56
5.6.200.0030.04018.19
5.6.190.0100.03720.55
5.6.180.0370.06720.62
5.6.170.0170.05020.39
5.6.160.0070.08720.50
5.6.150.0000.09018.16
5.6.140.0030.06318.29
5.6.130.0030.08718.26
5.6.120.0130.07020.89
5.6.110.0100.05321.01
5.6.100.0130.08021.03
5.6.90.0170.08021.04
5.6.80.0130.08020.41
5.5.350.0000.07720.40
5.5.340.0070.07018.08
5.5.330.0100.08020.13
5.5.320.4030.04720.37
5.5.310.0300.07320.23
5.5.300.0070.07717.95
5.5.290.0170.07318.07
5.5.280.0000.08320.77
5.5.270.0130.07020.74
5.5.260.0070.08320.79
5.5.250.0070.08720.59
5.5.240.0100.06020.23
5.4.450.0900.05019.50
5.4.440.0330.07319.17
5.4.430.0230.07019.61
5.4.420.0200.06019.57
5.4.410.0500.05319.43
5.4.400.0200.05719.14
5.4.390.0230.07319.27
5.4.380.0130.07019.37
5.4.370.0200.07719.06
5.4.360.0330.07019.23
5.4.350.0370.07019.25
5.4.340.0400.06319.06
5.4.320.0400.07319.37
5.4.310.0330.07719.28
5.4.300.0300.06019.22
5.4.290.0330.06019.01
5.4.280.0130.06719.25
5.4.270.0170.06019.28
5.4.260.0370.06018.96
5.4.250.0270.07019.01
5.4.240.0570.05719.27
5.4.230.0800.05718.97
5.4.220.0770.07319.27
5.4.210.0970.07319.11
5.4.200.0230.05316.74
5.4.190.0570.06318.98
5.4.180.1200.06019.13
5.4.170.0770.07319.17
5.4.160.0130.08319.16
5.4.150.0230.05718.87
5.4.140.0300.09316.35
5.4.130.0430.06316.34
5.4.120.0130.06016.45
5.4.110.0930.05716.39
5.4.100.0230.06316.72
5.4.90.0400.06316.55
5.4.80.0970.04716.52
5.4.70.0470.05316.34
5.4.60.0700.05016.32
5.4.50.0700.04316.37
5.4.40.0900.06016.54
5.4.30.0530.05016.50
5.4.20.1100.04716.47
5.4.10.0570.05716.37
5.4.00.0100.06015.84
5.3.290.0270.04714.67
5.3.280.0200.06014.45
5.3.270.0200.05714.51
5.3.260.0300.06714.51
5.3.250.0170.06014.59
5.3.240.0170.05714.63
5.3.230.0230.05314.50
5.3.220.0200.05714.62
5.3.210.0270.05314.62
5.3.200.0030.06014.58
5.3.190.0230.06314.57
5.3.180.0330.09014.65
5.3.170.0470.05714.61
5.3.160.0270.06314.46
5.3.150.0600.06314.62
5.3.140.0400.07314.64
5.3.130.0130.06714.48
5.3.120.0170.06714.77
5.3.110.0330.07714.57
5.3.100.0200.05714.26
5.3.90.0200.06314.25
5.3.80.0300.05013.97
5.3.70.0200.05314.07
5.3.60.0170.05714.00
5.3.50.0270.05713.95
5.3.40.0300.06713.87
5.3.30.0230.07014.07
5.3.20.0200.05313.59
5.3.10.0130.07013.58
5.3.00.0070.08313.55
5.2.170.0270.04711.37
5.2.160.0200.05011.20
5.2.150.0030.06711.23
5.2.140.0770.05011.29
5.2.130.0630.03711.01
5.2.120.0570.05711.01
5.2.110.0170.04311.05
5.2.100.0030.05310.95
5.2.90.0600.03711.25
5.2.80.0430.05711.00
5.2.70.0200.06011.05
5.2.60.0600.05710.96
5.2.50.0600.04710.91
5.2.40.0330.05711.01
5.2.30.0200.03710.90
5.2.20.0070.05710.87
5.2.10.0030.05710.91
5.2.00.0530.05310.67
5.1.60.0430.05010.00
5.1.50.0170.0379.82
5.1.40.0070.0509.86
5.1.30.0070.05310.34
5.1.20.0100.04010.36
5.1.10.0000.04310.22
5.1.00.0300.04010.22
5.0.50.0070.0308.63
5.0.40.0130.0238.57
5.0.30.0130.0478.46
5.0.20.0000.0378.18
5.0.10.0170.0308.09
5.0.00.0030.0577.99
4.4.90.0230.0236.84
4.4.80.0230.0276.84
4.4.70.0330.0206.84
4.4.60.0200.0376.84
4.4.50.0300.0236.84
4.4.40.0270.0336.84
4.4.30.0170.0236.84
4.4.20.0200.0306.84
4.4.10.0230.0236.84
4.4.00.0230.0376.84
4.3.110.0230.0336.84
4.3.100.0000.0306.84
4.3.90.0100.0236.84
4.3.80.0130.0436.84
4.3.70.0300.0236.84
4.3.60.0270.0306.84
4.3.50.0170.0306.84
4.3.40.0230.0336.84
4.3.30.0100.0276.84
4.3.20.0030.0276.84
4.3.10.0170.0206.84
4.3.00.0070.0207.08

preferences:
58.84 ms | 401 KiB | 5 Q