3v4l.org

run code in 300+ PHP versions simultaneously
<?php $a = new StdClass(); $c = clone $a; var_dump($a); var_dump($c);

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)
8.3.60.0090.00618.43
8.3.50.0140.00521.94
8.3.40.0070.00718.60
8.3.30.0070.00718.85
8.3.20.0080.00020.07
8.3.10.0040.00421.95
8.3.00.0000.00822.51
8.2.180.0130.01716.71
8.2.170.0070.00722.96
8.2.160.0110.00320.81
8.2.150.0040.00424.18
8.2.140.0080.00024.66
8.2.130.0050.00226.16
8.2.120.0090.00019.16
8.2.110.0090.00022.25
8.2.100.0090.00317.78
8.2.90.0030.00519.09
8.2.80.0040.00417.97
8.2.70.0030.00517.50
8.2.60.0040.00417.93
8.2.50.0090.00018.07
8.2.40.0070.00418.03
8.2.30.0070.00017.96
8.2.20.0050.00217.63
8.2.10.0000.00919.23
8.2.00.0000.00817.52
8.1.280.0090.00625.92
8.1.270.0080.00023.97
8.1.260.0050.00226.35
8.1.250.0030.00628.09
8.1.240.0070.00423.78
8.1.230.0080.00420.77
8.1.220.0040.00417.74
8.1.210.0040.00418.77
8.1.200.0030.00917.23
8.1.190.0000.00817.17
8.1.180.0040.00418.10
8.1.170.0030.00518.31
8.1.160.0040.00421.90
8.1.150.0000.00718.51
8.1.140.0050.00317.25
8.1.130.0000.00817.87
8.1.120.0060.00317.36
8.1.110.0050.00317.38
8.1.100.0030.00517.38
8.1.90.0040.00417.28
8.1.80.0040.00417.35
8.1.70.0000.00717.36
8.1.60.0040.00417.40
8.1.50.0000.00717.48
8.1.40.0040.00417.40
8.1.30.0070.00417.66
8.1.20.0000.00917.66
8.1.10.0000.00717.41
8.1.00.0000.00817.48
8.0.300.0040.00418.77
8.0.290.0070.00016.79
8.0.280.0000.00718.24
8.0.270.0070.00017.22
8.0.260.0000.00616.61
8.0.250.0000.00716.84
8.0.240.0000.00716.78
8.0.230.0040.00416.81
8.0.220.0030.00316.86
8.0.210.0030.00416.85
8.0.200.0000.00716.83
8.0.190.0000.00816.93
8.0.180.0040.00416.79
8.0.170.0040.00416.73
8.0.160.0030.00616.88
8.0.150.0030.00316.65
8.0.140.0000.00716.78
8.0.130.0030.00313.22
8.0.120.0040.00416.74
8.0.110.0040.00416.79
8.0.100.0040.00416.82
8.0.90.0070.00016.69
8.0.80.0080.00716.80
8.0.70.0040.00416.71
8.0.60.0020.00516.63
8.0.50.0000.00716.68
8.0.30.0080.01116.79
8.0.20.0070.01117.40
8.0.10.0070.00016.88
8.0.00.0090.01016.66
7.4.330.0020.00215.00
7.4.320.0000.00616.54
7.4.300.0060.00016.57
7.4.290.0000.00716.51
7.4.280.0040.00416.42
7.4.270.0040.00316.53
7.4.260.0040.00416.45
7.4.250.0040.00416.37
7.4.240.0040.00416.37
7.4.230.0000.00716.29
7.4.220.0040.01416.50
7.4.210.0040.01216.53
7.4.200.0030.00316.50
7.4.190.0030.00516.39
7.4.160.0120.00916.30
7.4.150.0090.00917.40
7.4.140.0110.01017.86
7.4.130.0130.00516.39
7.4.120.0100.00716.30
7.4.110.0130.00316.22
7.4.100.0120.01316.38
7.4.90.0060.01216.39
7.4.80.0130.00319.39
7.4.70.0100.00716.38
7.4.60.0110.00716.34
7.4.50.0050.00016.46
7.4.40.0040.00722.77
7.4.30.0030.01816.36
7.4.00.0070.00715.07
7.3.330.0000.00513.03
7.3.320.0030.00313.03
7.3.310.0000.00716.21
7.3.300.0030.00316.21
7.3.290.0100.01016.14
7.3.280.0080.00816.16
7.3.270.0130.01017.40
7.3.260.0030.01416.13
7.3.250.0130.00516.27
7.3.240.0070.01016.23
7.3.230.0090.00916.39
7.3.210.0120.00616.21
7.3.200.0120.00619.39
7.3.190.0120.00916.43
7.3.180.0090.00616.13
7.3.170.0040.01116.27
7.3.160.0150.00316.27
7.3.120.0120.00314.53
7.2.330.0100.00716.46
7.2.320.0060.01116.36
7.2.310.0060.01216.47
7.2.300.0030.01316.49
7.2.290.0070.01016.64
7.2.00.0000.01419.33
7.1.200.0030.00715.54
7.1.100.0000.01117.87
7.1.70.0000.00817.18
7.1.60.0170.00719.82
7.1.50.0040.01516.93
7.1.00.0100.07022.57
7.0.200.0050.00316.62
7.0.140.0070.07022.15
7.0.110.0070.08020.05
7.0.100.0070.08019.96
7.0.90.0130.08019.93
7.0.80.0000.08020.06
7.0.70.0100.08720.00
7.0.60.0030.06019.87
7.0.50.0100.03319.98
7.0.40.0170.07319.78
7.0.30.0070.06019.65
7.0.20.0100.07319.77
7.0.10.0030.10019.76
7.0.00.0100.08019.68
5.6.280.0030.07320.98
5.6.260.0070.04020.88
5.6.250.0100.07320.68
5.6.240.0070.06720.71
5.6.230.0130.06320.70
5.6.220.0130.07720.67
5.6.210.0170.07020.56
5.6.200.0100.05320.61
5.6.190.0100.07320.55
5.6.180.0100.07720.55
5.6.170.0030.08720.63
5.6.160.0100.08320.55
5.6.150.0170.08320.68
5.6.140.0070.06320.54
5.6.130.0200.09020.54
5.6.120.0130.05320.55
5.6.110.0170.04020.57
5.6.100.0030.08720.66
5.6.90.0130.04320.62
5.6.80.0100.06020.02
5.6.70.0100.08019.91
5.6.60.0070.08319.83
5.6.50.0070.07020.22
5.6.40.0030.04019.97
5.6.30.0030.07719.91
5.6.20.0100.07320.04
5.6.10.0070.05019.90
5.6.00.0070.04720.04
5.5.380.0030.07317.51
5.5.370.0130.04017.52
5.5.360.0030.04017.53
5.5.350.0100.08017.56
5.5.340.0100.03717.87
5.5.330.0170.07018.00
5.5.320.0030.04718.03
5.5.310.0170.05318.13
5.5.300.0000.05318.14
5.5.290.0070.08017.86
5.5.280.0030.08317.88
5.5.270.0100.08017.84
5.5.260.0100.08718.24
5.5.250.0130.08317.94
5.5.240.0070.07717.48
5.5.230.0030.04717.39
5.5.220.0070.06317.47
5.5.210.0030.08017.27
5.5.200.0130.03317.21
5.5.190.0100.07317.37
5.5.180.0030.04717.21
5.5.160.0130.07317.33
5.5.150.0170.06317.46
5.5.140.0100.04717.15
5.5.130.0030.08317.60
5.5.120.0130.06717.20
5.5.110.0000.04717.21
5.5.100.0070.07317.36
5.5.90.0100.07717.11
5.5.80.0000.05717.42
5.5.70.0100.04317.08
5.5.60.0130.07017.26
5.5.50.0070.03317.40
5.5.40.0070.07317.39
5.5.30.0070.05017.13
5.5.20.0070.06317.39
5.5.10.0070.08017.22
5.5.00.0030.07717.40
5.4.450.0030.08019.57
5.4.440.0100.08019.25
5.4.430.0030.08019.39
5.4.420.0070.04319.49
5.4.410.0170.06719.36
5.4.400.0030.05319.21
5.4.390.0030.05319.18
5.4.380.0000.04719.10
5.4.370.0070.06719.13
5.4.360.0030.04719.03
5.4.350.0100.05018.95
5.4.340.0100.08018.95
5.4.320.0130.07318.93
5.4.310.0100.07318.98
5.4.300.0030.07718.99
5.4.290.0100.06319.27
5.4.280.0000.05319.16
5.4.270.0030.05019.25
5.4.260.0100.06319.02
5.4.250.0130.07019.24
5.4.240.0070.08019.09
5.4.230.0100.07019.26
5.4.220.0070.05719.24
5.4.210.0070.07319.16
5.4.200.0100.03719.00
5.4.190.0070.04018.99
5.4.180.0070.05018.94
5.4.170.0130.07019.06
5.4.160.0100.04319.07
5.4.150.0000.05018.94
5.4.140.0130.07016.23
5.4.130.0030.04716.25
5.4.120.0130.06016.16
5.4.110.0100.06016.41
5.4.100.0100.07016.23
5.4.90.0030.04716.23
5.4.80.0030.04316.38
5.4.70.0030.03716.46
5.4.60.0200.03316.47
5.4.50.0030.07316.46
5.4.40.0100.06316.16
5.4.30.0230.05316.45
5.4.20.0030.04716.43
5.4.10.0030.07316.34
5.4.00.0000.04316.00
5.3.290.0070.05714.70
5.3.280.0130.07714.70
5.3.270.0070.06314.70
5.3.260.0070.07314.70
5.3.250.0070.07314.70
5.3.240.0030.04314.70
5.3.230.0130.06314.70
5.3.220.0070.04014.70
5.3.210.0030.07014.70
5.3.200.0100.07314.70
5.3.190.0100.07314.70
5.3.180.0000.06714.70
5.3.170.0030.07714.70
5.3.160.0130.06714.70
5.3.150.0030.08014.70
5.3.140.0030.07314.70
5.3.130.0030.04314.70
5.3.120.0000.04314.70
5.3.110.0030.03714.70
5.3.100.0030.04314.70
5.3.90.0070.06314.70
5.3.80.0070.05014.70
5.3.70.0030.06014.70
5.3.60.0100.03314.70
5.3.50.0030.05314.70
5.3.40.0100.06314.70
5.3.30.0030.05714.70
5.3.20.0070.03714.70
5.3.10.0100.05714.70
5.3.00.0130.06314.70
5.2.170.0030.03314.70
5.2.160.0070.03714.70
5.2.150.0030.04714.70
5.2.140.0030.04014.70
5.2.130.0100.02714.70
5.2.120.0030.05014.70
5.2.110.0070.02314.70
5.2.100.0100.03314.70
5.2.90.0070.04714.70
5.2.80.0000.03314.70
5.2.70.0030.03714.70
5.2.60.0030.07014.70
5.2.50.0030.05714.70
5.2.40.0100.05314.70
5.2.30.0100.05014.70
5.2.20.0030.04014.70
5.2.10.0170.03714.70
5.2.00.0130.05014.70
5.1.60.0000.04014.70
5.1.50.0030.03714.70
5.1.40.0030.05014.70
5.1.30.0030.03714.70
5.1.20.0070.05014.70
5.1.10.0000.04714.70
5.1.00.0030.02714.70
5.0.50.0070.02714.70
5.0.40.0000.03314.70
5.0.30.0070.06014.70
5.0.20.0170.02714.70
5.0.10.0030.02314.70
5.0.00.0070.02314.70
4.4.90.0030.01314.70
4.4.80.0000.03714.70
4.4.70.0000.04714.70
4.4.60.0000.01714.70
4.4.50.0030.01714.70
4.4.40.0000.02314.70
4.4.30.0030.02714.70
4.4.20.0000.01714.70
4.4.10.0030.01314.70
4.4.00.0070.05014.70
4.3.110.0000.03014.70
4.3.100.0000.03014.70
4.3.90.0030.02714.70
4.3.80.0030.04714.70
4.3.70.0070.01014.70
4.3.60.0000.02714.70
4.3.50.0070.02714.70
4.3.40.0000.04014.70
4.3.30.0000.01714.70
4.3.20.0000.02314.70
4.3.10.0030.02714.70
4.3.00.0030.03314.70

preferences:
51.25 ms | 400 KiB | 5 Q