3v4l.org

run code in 300+ PHP versions simultaneously
<?php class A { public function getThis(): self { return new getCalledClass(); } } 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)
8.3.60.0170.00316.50
8.3.50.0090.00921.09
8.3.40.0110.00418.79
8.3.30.0070.00718.65
8.3.20.0090.00020.16
8.3.10.0080.00023.48
8.3.00.0070.00320.76
8.2.180.0080.00816.50
8.2.170.0110.00422.96
8.2.160.0140.00321.98
8.2.150.0000.00824.18
8.2.140.0040.00424.66
8.2.130.0040.00426.16
8.2.120.0070.00417.75
8.2.110.0060.00320.33
8.2.100.0090.00317.91
8.2.90.0000.00819.28
8.2.80.0000.00817.97
8.2.70.0000.00817.63
8.2.60.0050.00317.78
8.2.50.0000.00918.07
8.2.40.0050.00321.01
8.2.30.0000.00819.72
8.2.20.0030.00517.55
8.2.10.0000.00817.95
8.2.00.0000.00717.85
8.1.280.0180.00725.92
8.1.270.0000.00820.25
8.1.260.0080.00026.35
8.1.250.0000.00828.09
8.1.240.0060.00323.82
8.1.230.0080.00322.09
8.1.220.0040.00417.74
8.1.210.0040.00418.77
8.1.200.0040.00417.23
8.1.190.0030.00617.13
8.1.180.0060.00318.10
8.1.170.0040.00418.51
8.1.160.0000.00721.87
8.1.150.0000.00718.71
8.1.140.0000.00717.37
8.1.130.0000.00717.37
8.1.120.0030.00517.30
8.1.110.0040.00417.33
8.1.100.0000.00717.33
8.1.90.0080.00017.28
8.1.80.0070.00017.23
8.1.70.0030.00317.37
8.1.60.0040.00417.53
8.1.50.0050.00317.50
8.1.40.0040.00417.43
8.1.30.0030.00617.57
8.1.20.0030.00617.58
8.1.10.0040.00717.55
8.1.00.0050.00317.43
8.0.300.0000.00718.77
8.0.290.0000.00716.75
8.0.280.0070.00018.29
8.0.270.0030.00317.28
8.0.260.0000.00716.73
8.0.250.0060.00016.88
8.0.240.0000.00716.83
8.0.230.0030.00316.85
8.0.220.0000.00716.90
8.0.210.0030.00616.90
8.0.200.0060.00316.94
8.0.190.0020.00516.80
8.0.180.0000.00716.88
8.0.170.0080.00016.94
8.0.160.0030.00316.83
8.0.150.0030.00516.90
8.0.140.0080.00016.73
8.0.130.0030.00313.31
8.0.120.0000.00816.81
8.0.110.0050.00316.84
8.0.100.0080.00016.88
8.0.90.0070.00016.92
8.0.80.0080.00816.91
8.0.70.0040.00416.88
8.0.60.0040.00416.78
8.0.50.0020.00516.86
8.0.30.0060.01416.90
8.0.20.0080.01417.40
8.0.10.0000.00716.84
8.0.00.0120.00616.68
7.4.330.0050.00015.08
7.4.320.0000.00716.37
7.4.300.0000.00616.58
7.4.290.0050.00316.45
7.4.280.0030.00616.52
7.4.270.0030.00316.44
7.4.260.0000.00716.42
7.4.250.0000.00716.30
7.4.240.0040.00416.39
7.4.230.0030.00316.34
7.4.220.0030.01316.38
7.4.210.0060.00916.54
7.4.200.0030.00316.55
7.4.160.0090.00616.66
7.4.150.0060.01217.40
7.4.140.0090.00917.86
7.4.130.0090.00916.48
7.4.120.0110.00716.49
7.4.110.0140.00316.63
7.4.100.0130.00616.35
7.4.90.0120.00616.52
7.4.80.0120.00619.39
7.4.70.0070.01016.39
7.4.60.0130.01016.53
7.4.50.0080.00016.03
7.4.40.0120.00616.42
7.4.30.0130.01016.58
7.4.00.0110.00314.88
7.3.330.0050.00213.19
7.3.320.0060.00013.30
7.3.310.0050.00316.25
7.3.300.0030.00316.37
7.3.290.0070.01116.35
7.3.280.0090.00816.31
7.3.270.0040.01317.40
7.3.260.0070.01016.30
7.3.250.0080.01016.42
7.3.240.0160.00816.53
7.3.230.0000.01616.39
7.3.210.0140.00716.34
7.3.200.0120.00416.41
7.3.190.0060.01116.39
7.3.180.0130.00316.38
7.3.170.0000.01716.42
7.3.160.0100.00716.31
7.2.330.0040.02116.59
7.2.320.0090.00916.19
7.2.310.0030.01616.30
7.2.300.0060.00916.36
7.2.290.0130.01016.31
7.2.60.0070.00716.66
7.2.00.0090.00619.45
7.1.200.0100.00015.57
7.1.100.0030.00917.79
7.1.70.0070.00316.94
7.1.60.0030.01919.18
7.1.50.0090.01516.77
7.1.00.0070.07322.45
7.0.200.0330.01314.54
7.0.60.0000.07020.04
7.0.50.0130.03017.96
7.0.40.0100.08720.14
7.0.30.0230.04020.24
7.0.20.0200.07320.23
7.0.10.0030.07020.23
7.0.00.0170.08320.11
5.6.280.0030.03320.89
5.6.210.0100.06720.48
5.6.200.0000.04318.24
5.6.190.0100.06320.47
5.6.180.0370.05720.61
5.6.170.0330.04320.56
5.6.160.0100.05720.51
5.6.150.0130.07718.28
5.6.140.0070.08018.18
5.6.130.0070.08318.23
5.6.120.0000.04721.00
5.6.110.0030.05021.03
5.6.100.0000.04320.96
5.6.90.0070.07321.02
5.6.80.0070.07320.39
5.5.350.0000.08020.46
5.5.340.0070.08017.97
5.5.330.0100.07720.19
5.5.320.4200.04020.36
5.5.310.0200.05020.18
5.5.300.0030.06717.95
5.5.290.0070.03717.96
5.5.280.0100.07720.89
5.5.270.0000.06320.73
5.5.260.0170.05020.73
5.5.250.0070.08320.59
5.5.240.0000.08720.29
5.4.450.0830.05719.46
5.4.440.0100.07019.54
5.4.430.0330.04019.67
5.4.420.0170.05719.55
5.4.410.0270.05019.50
5.4.400.0270.05318.97
5.4.390.0300.07019.27
5.4.380.0230.05318.85
5.4.370.0130.06019.22
5.4.360.0330.04319.26
5.4.350.0270.04719.32
5.4.340.0230.06719.14
5.4.320.0230.06719.14
5.4.310.0230.05719.30
5.4.300.0230.05019.14
5.4.290.0200.06019.14
5.4.280.0270.05718.85
5.4.270.0170.05719.14
5.4.260.0230.05018.82
5.4.250.0200.05719.25
5.4.240.0300.06719.11
5.4.230.0170.08018.96
5.4.220.0230.07319.05
5.4.210.0130.07319.31
5.4.200.0230.04716.75
5.4.190.0230.05318.92
5.4.180.0300.05019.09
5.4.170.0270.05719.08
5.4.160.0200.06319.08
5.4.150.0270.06018.96
5.4.140.0300.07016.50
5.4.130.0170.05716.49
5.4.120.0300.04316.52
5.4.110.0330.06316.42
5.4.100.0230.05316.54
5.4.90.0370.05316.56
5.4.80.0270.05716.47
5.4.70.0300.05016.45
5.4.60.0300.04316.35
5.4.50.0300.06316.55
5.4.40.0270.06316.41
5.4.30.0330.05316.28
5.4.20.0230.06716.32
5.4.10.0270.05016.38
5.4.00.0200.05315.98
5.3.290.0300.05314.57
5.3.280.0230.05314.50
5.3.270.0270.05314.50
5.3.260.0230.05314.50
5.3.250.0200.06014.61
5.3.240.0270.04714.57
5.3.230.0130.06314.64
5.3.220.0230.05714.46
5.3.210.0370.06714.71
5.3.200.0200.06014.79
5.3.190.0130.06014.41
5.3.180.0230.04714.64
5.3.170.0400.06314.46
5.3.160.0300.07714.46
5.3.150.0230.05714.46
5.3.140.0270.04314.54
5.3.130.0270.05014.45
5.3.120.0330.05714.55
5.3.110.0130.07714.69
5.3.100.0200.04713.94
5.3.90.0370.03314.06
5.3.80.0330.05714.24
5.3.70.0430.05314.06
5.3.60.0300.06313.92
5.3.50.0330.06013.95
5.3.40.0300.04313.94
5.3.30.0270.04713.75
5.3.20.0200.06013.55
5.3.10.0200.05013.55
5.3.00.0170.06313.78
5.2.170.0230.05011.30
5.2.160.0270.04311.19
5.2.150.0130.04711.11
5.2.140.0170.04311.04
5.2.130.0100.04711.00
5.2.120.0130.04011.15
5.2.110.0200.05011.00
5.2.100.0330.04011.15
5.2.90.0300.03711.10
5.2.80.0230.05011.00
5.2.70.0100.05311.00
5.2.60.0170.06010.97
5.2.50.0300.05011.16
5.2.40.0170.04310.84
5.2.30.0130.04710.87
5.2.20.0100.04310.97
5.2.10.0130.04710.91
5.2.00.0270.03310.62
5.1.60.0130.0379.96
5.1.50.0500.0439.88
5.1.40.0230.0409.90
5.1.30.0130.05710.33
5.1.20.0300.03710.25
5.1.10.0200.04010.11
5.1.00.0230.05310.04
5.0.50.0100.0408.56
5.0.40.0130.0338.34
5.0.30.0030.0538.24
5.0.20.0100.0438.11
5.0.10.0100.0408.19
5.0.00.0100.0608.04
4.4.90.0100.0335.76
4.4.80.0100.0235.76
4.4.70.0230.0235.82
4.4.60.0070.0335.74
4.4.50.0100.0305.75
4.4.40.0170.0375.76
4.4.30.0100.0275.79
4.4.20.0170.0175.98
4.4.10.0100.0205.89
4.4.00.0130.0405.86
4.3.110.0070.0305.68
4.3.100.0000.0335.87
4.3.90.0100.0235.74
4.3.80.0170.0375.70
4.3.70.0030.0335.69
4.3.60.0030.0335.71
4.3.50.0070.0305.70
4.3.40.0030.0475.70
4.3.30.0100.0235.48
4.3.20.0100.0235.48
4.3.10.0000.0335.48
4.3.00.0000.0237.07

preferences:
49.87 ms | 401 KiB | 5 Q