3v4l.org

run code in 300+ PHP versions simultaneously
<?php $a = new StdClass(); function something(&$first) { $b = clone $first; $b->value = 4; var_dump($b); } something($a); var_dump($a);

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)
8.3.60.0040.01518.43
8.3.50.0070.00922.11
8.3.40.0090.00618.61
8.3.30.0110.00418.95
8.3.20.0050.00320.21
8.3.10.0060.00322.05
8.3.00.0080.00022.55
8.2.180.0090.00616.75
8.2.170.0140.00322.96
8.2.160.0100.00320.99
8.2.150.0080.00024.18
8.2.140.0030.00524.66
8.2.130.0040.00426.16
8.2.120.0040.00419.11
8.2.110.0060.00322.13
8.2.100.0120.00019.33
8.2.90.0000.00919.11
8.2.80.0040.00417.97
8.2.70.0040.00417.25
8.2.60.0090.00317.55
8.2.50.0040.00418.07
8.2.40.0060.00317.90
8.2.30.0040.00417.95
8.2.20.0040.00417.66
8.2.10.0050.00317.63
8.2.00.0000.00717.69
8.1.280.0110.00325.92
8.1.270.0040.00423.98
8.1.260.0080.00026.35
8.1.250.0110.00428.09
8.1.240.0050.00523.80
8.1.230.0090.00318.97
8.1.220.0050.00317.74
8.1.210.0040.00418.77
8.1.200.0030.00717.35
8.1.190.0040.00417.53
8.1.180.0000.01018.10
8.1.170.0000.00818.47
8.1.160.0000.00821.94
8.1.150.0070.00018.57
8.1.140.0000.00717.44
8.1.130.0000.00717.89
8.1.120.0030.00617.47
8.1.110.0030.00517.39
8.1.100.0050.00317.46
8.1.90.0000.00717.25
8.1.80.0040.00417.43
8.1.70.0070.00017.41
8.1.60.0040.00417.48
8.1.50.0050.00217.51
8.1.40.0040.00417.42
8.1.30.0040.00717.62
8.1.20.0000.00817.64
8.1.10.0030.00517.54
8.1.00.0070.00017.40
8.0.300.0040.00418.77
8.0.290.0000.00816.93
8.0.280.0070.00018.39
8.0.270.0030.00517.21
8.0.260.0030.00316.80
8.0.250.0070.00016.94
8.0.240.0030.00616.88
8.0.230.0000.00716.89
8.0.220.0070.00016.73
8.0.210.0040.00416.83
8.0.200.0030.00316.80
8.0.190.0000.00716.89
8.0.180.0060.00316.87
8.0.170.0040.00416.71
8.0.160.0030.00616.73
8.0.150.0030.00516.66
8.0.140.0040.00416.77
8.0.130.0060.00013.25
8.0.120.0000.00716.85
8.0.110.0030.00516.76
8.0.100.0050.00316.83
8.0.90.0050.00316.78
8.0.80.0160.00716.77
8.0.70.0040.00416.86
8.0.60.0040.00416.75
8.0.50.0000.00716.66
8.0.30.0130.00917.14
8.0.20.0140.00517.40
8.0.10.0000.00816.89
8.0.00.0060.01116.55
7.4.330.0000.00515.03
7.4.320.0030.00316.55
7.4.300.0000.00616.46
7.4.290.0000.00816.47
7.4.280.0060.00316.61
7.4.270.0040.00416.49
7.4.260.0070.00016.54
7.4.250.0000.00816.49
7.4.240.0020.00516.54
7.4.230.0030.00316.69
7.4.220.0140.00616.58
7.4.210.0110.00816.62
7.4.200.0030.00316.44
7.4.190.0030.00316.58
7.4.160.0080.01416.47
7.4.150.0110.00617.40
7.4.140.0060.01517.86
7.4.130.0150.00516.37
7.4.120.0070.01016.34
7.4.110.0130.00416.37
7.4.100.0150.00316.29
7.4.90.0110.00816.44
7.4.80.0080.00819.39
7.4.70.0030.01416.49
7.4.60.0090.00616.38
7.4.50.0060.00316.43
7.4.40.0060.00922.77
7.4.30.0060.01116.51
7.4.00.0030.00615.04
7.3.330.0000.00513.31
7.3.320.0060.00013.23
7.3.310.0030.00316.17
7.3.300.0030.00316.27
7.3.290.0080.00816.21
7.3.280.0120.00716.33
7.3.270.0180.00317.40
7.3.260.0060.01316.35
7.3.250.0100.01016.36
7.3.240.0090.00916.57
7.3.230.0060.01116.39
7.3.210.0070.01016.51
7.3.200.0220.00619.39
7.3.190.0210.00216.18
7.3.180.0060.01016.58
7.3.170.0080.00816.32
7.3.160.0070.01016.54
7.3.120.0040.00815.05
7.3.10.0080.00716.46
7.3.00.0130.00316.53
7.2.330.0190.00016.67
7.2.320.0150.00616.55
7.2.310.0060.01516.55
7.2.300.0070.01716.71
7.2.290.0120.00916.39
7.2.130.0070.00816.91
7.2.120.0080.01116.85
7.2.110.0070.00816.92
7.2.100.0080.00516.63
7.2.90.0090.01016.78
7.2.80.0090.00916.72
7.2.70.0080.01216.85
7.2.60.0030.01116.88
7.2.50.0020.01416.66
7.2.40.0130.00716.89
7.2.30.0090.00716.86
7.2.20.0110.00316.78
7.2.10.0040.00916.69
7.2.00.0040.00817.69
7.1.250.0030.00915.46
7.1.100.0000.01117.92
7.1.70.0000.00817.18
7.1.60.0180.00719.82
7.1.50.0040.01116.96
7.1.00.0000.09322.57
7.0.200.0000.00716.46
7.0.140.0130.06322.16
7.0.60.0030.08720.08
7.0.50.0070.08017.89
7.0.40.0000.05020.24
7.0.30.0370.06320.26
7.0.20.0270.06020.16
7.0.10.0100.06320.06
7.0.00.0130.07720.23
5.6.280.0000.07720.78
5.6.210.0070.07020.72
5.6.200.0100.07018.29
5.6.190.0100.03720.67
5.6.180.0370.07020.47
5.6.170.0370.04720.54
5.6.160.0130.08020.57
5.6.150.0070.04318.29
5.6.140.0170.07318.18
5.6.130.0070.06718.18
5.6.120.0070.04320.99
5.6.110.0070.08020.98
5.6.100.0130.07720.97
5.6.90.0030.06021.08
5.6.80.0000.05020.51
5.6.70.0470.03020.48
5.5.350.0130.07720.38
5.5.340.0030.05718.09
5.5.330.0100.07020.29
5.5.320.3030.04320.35
5.5.310.0330.05320.36
5.5.300.0070.08317.98
5.5.290.0130.04718.08
5.5.280.0070.05020.80
5.5.270.0030.04320.77
5.5.260.0030.08720.73
5.5.250.0230.07020.69
5.5.240.0000.04020.12
5.4.450.0230.07019.48
5.4.440.0870.05319.29
5.4.430.1070.08319.48
5.4.420.0830.07719.27
5.4.410.0930.06319.02
5.4.400.0800.05319.11
5.4.390.0730.06319.25
5.4.380.0330.03318.78
5.4.370.0170.05318.63
5.4.360.0170.05018.71
5.4.350.0230.05718.68
5.4.340.0200.05318.74
5.4.320.0060.03612.50
5.4.310.0070.04112.50
5.4.300.0070.03512.50
5.4.290.0070.04112.50
5.4.280.0050.03712.40
5.4.270.0090.03612.36
5.4.260.0060.03712.36
5.4.250.0050.04112.37
5.4.240.0040.03812.36
5.4.230.0040.03912.36
5.4.220.0030.03912.36
5.4.210.0060.03812.36
5.4.200.0090.03812.35
5.4.190.0080.03612.36
5.4.180.0100.03912.35
5.4.170.0050.03712.37
5.4.160.0040.03712.36
5.4.150.0040.03712.35
5.4.140.0060.03612.04
5.4.130.0100.03712.02
5.4.120.0100.03411.99
5.4.110.0080.03311.98
5.4.100.0050.03611.98
5.4.90.0020.04011.98
5.4.80.0040.03811.98
5.4.70.0050.03411.98
5.4.60.0060.03311.98
5.4.50.0040.03811.97
5.4.40.0090.03111.96
5.4.30.0080.03311.96
5.4.20.0070.03411.96
5.4.10.0110.03111.96
5.4.00.0070.03511.45
5.3.290.0060.04012.80
5.3.280.0060.03812.71
5.3.270.0040.04012.72
5.3.260.0070.04512.72
5.3.250.0070.04012.72
5.3.240.0100.03712.72
5.3.230.0100.04312.70
5.3.220.0050.03812.68
5.3.210.0080.03712.68
5.3.200.0050.03712.68
5.3.190.0070.04112.68
5.3.180.0020.04212.67
5.3.170.0040.03712.67
5.3.160.0080.04512.67
5.3.150.0060.03812.67
5.3.140.0040.03812.66
5.3.130.0050.03912.66
5.3.120.0060.03912.66
5.3.110.0050.03912.66
5.3.100.0060.03612.12
5.3.90.0030.03812.09
5.3.80.0050.03712.08
5.3.70.0040.03812.08
5.3.60.0080.04212.06
5.3.50.0040.03712.00
5.3.40.0060.03612.00
5.3.30.0080.03211.95
5.3.20.0030.03811.73
5.3.10.0080.03211.69
5.3.00.0040.03711.68
5.2.170.0050.0309.18
5.2.160.0070.0349.18
5.2.150.0070.0309.18
5.2.140.0060.0359.18
5.2.130.0060.0359.13
5.2.120.0030.0309.13
5.2.110.0060.0269.14
5.2.100.0040.0289.14
5.2.90.0040.0299.14
5.2.80.0050.0299.14
5.2.70.0050.0349.14
5.2.60.0040.0389.09
5.2.50.0060.0319.06
5.2.40.0070.0259.03
5.2.30.0050.0289.02
5.2.20.0080.0279.00
5.2.10.0020.0408.91
5.2.00.0030.0328.77
5.1.60.0010.0278.05
5.1.50.0030.0258.05
5.1.40.0060.0298.04
5.1.30.0040.0328.39
5.1.20.0040.0328.41
5.1.10.0030.0278.13
5.1.00.0080.0338.13
5.0.50.0050.0256.61
5.0.40.0050.0276.47
5.0.30.0030.0356.29
5.0.20.0040.0186.26
5.0.10.0020.0216.23
5.0.00.0060.0366.22
4.4.90.0020.0164.78
4.4.80.0020.0164.76
4.4.70.0030.0154.76
4.4.60.0030.0154.76
4.4.50.0020.0164.77
4.4.40.0010.0264.71
4.4.30.0030.0154.76
4.4.20.0010.0174.84
4.4.10.0040.0144.85
4.4.00.0020.0254.76
4.3.110.0020.0164.67
4.3.100.0040.0134.67
4.3.90.0040.0184.63
4.3.80.0030.0304.58
4.3.70.0020.0214.63
4.3.60.0030.0194.63
4.3.50.0030.0194.63
4.3.40.0030.0274.54
4.3.30.0020.0153.28
4.3.20.0010.0193.27
4.3.10.0030.0173.23
4.3.00.0100.0176.19

preferences:
46.39 ms | 401 KiB | 5 Q