3v4l.org

run code in 300+ PHP versions simultaneously
<?php class A { private function X() { echo "In class A\n"; } public function go() { $this->X(); } } class B { private function X() { echo "In class B\n"; } } $b = new B; $b->go();

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)
8.3.60.0090.00616.38
8.3.50.0100.01021.07
8.3.40.0030.01218.84
8.3.30.0070.01018.97
8.3.20.0080.00020.25
8.3.10.0000.00821.73
8.3.00.0090.00317.38
8.2.180.0060.00918.63
8.2.170.0100.01022.96
8.2.160.0180.00320.48
8.2.150.0000.00724.18
8.2.140.0040.00424.66
8.2.130.0060.00326.16
8.2.120.0000.00819.26
8.2.110.0000.00922.07
8.2.100.0060.00617.63
8.2.90.0070.00019.05
8.2.80.0000.00817.97
8.2.70.0000.00817.63
8.2.60.0000.00817.90
8.2.50.0060.00318.07
8.2.40.0000.00818.22
8.2.30.0030.00517.99
8.2.20.0000.00917.57
8.2.10.0000.00717.95
8.2.00.0000.00817.60
8.1.280.0140.00025.92
8.1.270.0070.00724.66
8.1.260.0050.00326.35
8.1.250.0000.00828.09
8.1.240.0060.00322.19
8.1.230.0070.00417.52
8.1.220.0000.00817.74
8.1.210.0060.00318.77
8.1.200.0060.00317.13
8.1.190.0080.00017.35
8.1.180.0000.00818.10
8.1.170.0030.00620.35
8.1.160.0040.00422.00
8.1.150.0080.00018.87
8.1.140.0040.00417.34
8.1.130.0030.00317.78
8.1.120.0040.00417.44
8.1.110.0070.00017.42
8.1.100.0070.00017.39
8.1.90.0040.00417.31
8.1.80.0020.00517.37
8.1.70.0000.00717.34
8.1.60.0030.00617.55
8.1.50.0000.00817.50
8.1.40.0000.00717.44
8.1.30.0050.00317.54
8.1.20.0000.00817.57
8.1.10.0040.00417.56
8.1.00.0000.00817.41
8.0.300.0080.00018.77
8.0.290.0040.00416.63
8.0.280.0030.00318.38
8.0.270.0030.00317.10
8.0.260.0030.00317.23
8.0.250.0030.00316.98
8.0.240.0000.00616.83
8.0.230.0040.00416.98
8.0.220.0070.00016.76
8.0.210.0000.00716.73
8.0.200.0030.00316.83
8.0.190.0050.00316.99
8.0.180.0030.00316.79
8.0.170.0000.00716.91
8.0.160.0060.00316.96
8.0.150.0060.00316.80
8.0.140.0000.00716.85
8.0.130.0070.00013.32
8.0.120.0040.00416.75
8.0.110.0040.00416.78
8.0.100.0040.00416.77
8.0.90.0000.00716.75
8.0.80.0040.01516.91
8.0.70.0040.00416.74
8.0.60.0000.00716.83
8.0.50.0030.00516.94
8.0.30.0080.01717.02
8.0.20.0080.01517.40
8.0.10.0040.00416.83
8.0.00.0170.00616.86
7.4.330.0060.00015.03
7.4.320.0000.00816.38
7.4.300.0070.00016.53
7.4.290.0070.00016.50
7.4.280.0050.00416.54
7.4.270.0000.00716.56
7.4.260.0000.00716.45
7.4.250.0050.00316.32
7.4.240.0040.00316.51
7.4.230.0020.00516.55
7.4.220.0090.00916.48
7.4.210.0050.01116.56
7.4.200.0040.00416.66
7.4.160.0130.00316.45
7.4.150.0070.01017.40
7.4.140.0090.01117.86
7.4.130.0100.00816.59
7.4.120.0120.00416.40
7.4.110.0070.01016.44
7.4.100.0120.01216.53
7.4.90.0060.01216.67
7.4.80.0090.00919.39
7.4.70.0120.00416.38
7.4.60.0080.00816.44
7.4.50.0060.00316.35
7.4.40.0000.01716.34
7.4.30.0060.01116.52
7.4.00.0090.00615.06
7.3.330.0080.00013.27
7.3.320.0060.00613.17
7.3.310.0050.00216.24
7.3.300.0030.00316.27
7.3.290.0070.00016.30
7.3.280.0090.00916.32
7.3.270.0170.00017.40
7.3.260.0160.00016.51
7.3.250.0090.00816.55
7.3.240.0070.01016.20
7.3.230.0100.00916.55
7.3.210.0060.01216.15
7.3.200.0050.01119.39
7.3.190.0060.01316.45
7.3.180.0190.00316.36
7.3.170.0100.00616.50
7.3.160.0140.00716.49
7.3.10.0070.00716.51
7.3.00.0130.00316.34
7.2.330.0030.01516.66
7.2.320.0210.00916.54
7.2.310.0090.00916.63
7.2.300.0030.01816.61
7.2.290.0090.00616.53
7.2.130.0070.00316.60
7.2.120.0100.00716.54
7.2.110.0040.00416.70
7.2.100.0130.00716.63
7.2.90.0100.00316.30
7.2.80.0160.00316.62
7.2.70.0140.00316.38
7.2.60.0120.00516.78
7.2.50.0130.01316.68
7.2.40.0280.01316.64
7.2.30.0140.00316.78
7.2.20.0140.00916.53
7.2.10.0170.00516.26
7.2.00.0040.01217.96
7.1.250.0030.00915.52
7.1.200.0000.00815.60
7.1.100.0080.00418.04
7.1.70.0000.00917.15
7.1.60.0060.01819.50
7.1.50.0060.01616.86
7.1.00.0000.08022.54
7.0.200.0070.00414.84
7.0.140.0000.05322.00
7.0.60.0070.08719.95
7.0.50.0100.04317.84
7.0.40.0100.06720.11
7.0.30.0400.06720.39
7.0.20.0230.06720.24
7.0.10.0130.08320.20
7.0.00.0070.08720.16
5.6.280.0070.06720.92
5.6.210.0100.06320.50
5.6.200.0030.08018.20
5.6.190.0070.09020.47
5.6.180.4130.04020.52
5.6.170.0470.05320.48
5.6.160.0100.04020.39
5.6.150.0000.04318.19
5.6.140.0070.06718.15
5.6.130.0070.06718.21
5.6.120.0000.04721.02
5.6.110.0030.05721.11
5.6.100.0230.06021.09
5.6.90.0070.08721.13
5.6.80.0100.08320.49
5.6.70.4600.03320.50
5.5.350.0000.05320.31
5.5.340.0100.07717.99
5.5.330.0070.03720.29
5.5.320.0200.05020.51
5.5.310.0330.06720.24
5.5.300.0070.08318.04
5.5.290.0130.08017.98
5.5.280.0030.05020.80
5.5.270.0200.07320.68
5.5.260.0000.08320.88
5.5.250.0030.07320.64
5.5.240.0070.07020.29
5.4.450.0330.05319.20
5.4.440.0730.06319.61
5.4.430.0470.07319.62
5.4.420.1030.06319.45
5.4.410.0070.06018.70
5.4.400.0370.06318.51
5.4.390.0370.04718.61
5.4.380.0470.04718.77
5.4.370.0330.05718.73
5.4.360.0330.06318.61
5.4.350.0400.05718.73
5.4.340.0370.06318.76
5.4.320.0370.05718.53
5.4.310.0630.04018.57
5.4.300.0430.05318.78
5.4.290.0500.05318.84
5.4.280.0430.07018.47
5.4.270.0330.08018.73
5.4.260.0570.05718.83
5.4.250.0370.08718.74
5.4.240.0430.06318.73
5.4.230.0430.04718.69
5.4.220.0370.05318.57
5.4.210.0430.05718.46
5.4.200.0300.07316.60
5.4.190.0370.06018.75
5.4.180.0300.06718.75
5.4.170.0330.06718.51
5.4.160.0370.05018.57
5.4.150.0230.06018.67
5.4.140.0230.05716.14
5.4.130.0330.05316.26
5.4.120.0370.07016.45
5.4.110.0430.06016.27
5.4.100.0370.04716.21
5.4.90.0270.05716.44
5.4.80.0370.04716.42
5.4.70.0470.05716.23
5.4.60.0400.05316.28
5.4.50.0470.05016.11
5.4.40.0530.05716.26
5.4.30.0500.06016.18
5.4.20.0430.04716.22
5.4.10.0500.04716.18
5.4.00.0470.05015.88
5.3.290.0370.05714.71
5.3.280.0400.06314.69
5.3.270.0270.05714.71
5.3.260.0370.05714.70
5.3.250.0300.05714.74
5.3.240.0300.05714.77
5.3.230.0400.04314.64
5.3.220.0300.05714.57
5.3.210.0330.05714.70
5.3.200.0300.05714.58
5.3.190.0330.05314.56
5.3.180.0400.05014.61
5.3.170.0430.06714.70
5.3.160.0430.06314.58
5.3.150.0430.06314.61
5.3.140.0830.05714.70
5.3.130.0470.04714.68
5.3.120.0370.06014.67
5.3.110.0230.05714.64
5.3.100.0130.06314.15
5.3.90.0430.05314.00
5.3.80.0400.04714.01
5.3.70.0370.05014.10
5.3.60.0430.06014.03
5.3.50.0330.06714.01
5.3.40.0230.05314.07
5.3.30.0400.04313.96
5.3.20.0330.06013.76
5.3.10.0400.06013.76
5.3.00.0600.05013.70
5.2.170.0230.05011.14
5.2.160.0170.04011.27
5.2.150.0130.06311.17
5.2.140.0330.04711.14
5.2.130.0300.04311.15
5.2.120.0230.04311.14
5.2.110.0430.05011.12
5.2.100.0370.04011.32
5.2.90.0370.04711.22
5.2.80.0370.05011.22
5.2.70.0300.05711.32
5.2.60.0130.06011.16
5.2.50.0200.06011.13
5.2.40.0300.05011.04
5.2.30.0230.06011.02
5.2.20.0330.04311.11
5.2.10.0330.05010.93
5.2.00.0200.05710.89
5.1.60.0170.04310.02
5.1.50.0370.04310.19
5.1.40.0230.04010.18
5.1.30.0330.03010.39
5.1.20.0200.04310.37
5.1.10.0230.04010.20
5.1.00.0230.04310.11
5.0.50.0130.0308.55
5.0.40.0100.0338.46
5.0.30.0170.0478.26
5.0.20.0130.0308.38
5.0.10.0230.0278.22
5.0.00.0130.0438.29
4.4.90.0130.0206.02
4.4.80.0130.0235.93
4.4.70.0030.0335.88
4.4.60.0100.0275.96
4.4.50.0200.0205.99
4.4.40.0170.0375.99
4.4.30.0200.0235.98
4.4.20.0130.0335.92
4.4.10.0230.0235.94
4.4.00.0170.0405.96
4.3.110.0130.0305.88
4.3.100.0170.0235.88
4.3.90.0170.0235.88
4.3.80.0100.0375.88
4.3.70.0200.0205.88
4.3.60.0130.0205.89
4.3.50.0130.0275.88
4.3.40.0130.0435.88
4.3.30.0100.0275.88
4.3.20.0070.0305.88
4.3.10.0070.0305.88
4.3.00.0030.0206.89

preferences:
48.72 ms | 401 KiB | 5 Q