3v4l.org

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

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)
8.3.40.0090.00618.80
8.3.30.0090.00618.72
8.3.20.0070.00018.73
8.3.10.0030.00520.39
8.3.00.0040.00419.13
8.2.170.0100.01022.96
8.2.160.0110.00418.79
8.2.150.0060.00324.18
8.2.140.0040.00424.66
8.2.130.0040.00426.16
8.2.120.0090.00019.36
8.2.110.0030.00620.89
8.2.100.0110.00017.72
8.2.90.0060.00320.78
8.2.80.0000.00817.67
8.2.70.0050.00317.50
8.2.60.0040.00418.04
8.2.50.0040.00418.07
8.2.40.0000.00818.16
8.2.30.0080.00317.88
8.2.20.0040.00417.59
8.2.10.0040.00417.62
8.2.00.0050.00317.60
8.1.270.0080.00024.66
8.1.260.0000.00826.35
8.1.250.0100.00728.09
8.1.240.0050.00520.70
8.1.230.0080.00320.97
8.1.220.0050.00317.74
8.1.210.0040.00418.77
8.1.200.0060.00317.22
8.1.190.0000.00817.51
8.1.180.0040.00418.10
8.1.170.0080.00018.89
8.1.160.0040.00418.87
8.1.150.0040.00418.58
8.1.140.0000.00817.43
8.1.130.0070.00017.85
8.1.120.0070.00017.30
8.1.110.0020.00517.41
8.1.100.0040.00417.39
8.1.90.0000.00717.42
8.1.80.0050.00317.30
8.1.70.0000.00717.39
8.1.60.0030.00617.55
8.1.50.0030.00617.42
8.1.40.0080.00017.59
8.1.30.0030.00517.66
8.1.20.0000.00817.66
8.1.10.0040.00417.39
8.1.00.0070.00017.41
8.0.300.0070.00019.85
8.0.290.0040.00416.58
8.0.280.0030.00318.28
8.0.270.0000.00817.11
8.0.260.0000.00616.67
8.0.250.0030.00516.91
8.0.240.0030.00716.93
8.0.230.0000.00716.91
8.0.220.0040.00316.80
8.0.210.0070.00016.84
8.0.200.0040.00416.79
8.0.190.0030.00316.86
8.0.180.0050.00316.79
8.0.170.0080.00016.74
8.0.160.0000.00716.73
8.0.150.0080.00016.67
8.0.140.0030.00516.78
8.0.130.0060.00013.27
8.0.120.0000.00816.78
8.0.110.0030.00616.73
8.0.100.0000.00816.87
8.0.90.0000.00816.84
8.0.80.0130.00316.89
8.0.70.0050.00216.82
8.0.60.0000.00716.88
8.0.50.0040.00416.77
8.0.30.0100.00817.25
8.0.20.0110.00817.05
8.0.10.0040.00416.82
8.0.00.0100.00816.71
7.4.330.0000.00412.87
7.4.320.0000.00916.46
7.4.300.0030.00316.44
7.4.290.0000.00616.34
7.4.280.0030.00516.46
7.4.270.0080.00016.46
7.4.260.0000.00513.14
7.4.250.0040.00416.45
7.4.240.0040.00416.45
7.4.230.0030.00316.46
7.4.220.0040.01416.46
7.4.210.0070.01016.55
7.4.200.0000.00716.54
7.4.190.0070.00016.59
7.4.160.0140.00316.34
7.4.150.0150.00316.48
7.4.140.0080.01116.36
7.4.130.0090.00716.45
7.4.120.0120.00916.42
7.4.110.0090.00916.50
7.4.100.0150.00316.48
7.4.90.0250.01916.34
7.4.80.0100.00719.39
7.4.70.0030.01316.43
7.4.60.0110.00616.30
7.4.50.0030.00516.26
7.4.40.0110.00316.38
7.4.30.0040.01116.45
7.4.00.0030.01514.82
7.3.330.0000.00613.07
7.3.320.0030.00313.18
7.3.310.0000.00716.24
7.3.300.0030.00316.20
7.3.290.0060.00916.18
7.3.280.0040.01116.30
7.3.270.0070.01016.33
7.3.260.0140.00916.21
7.3.250.0060.01316.45
7.3.240.0100.00616.35
7.3.230.0110.00716.36
7.3.210.0100.00616.50
7.3.200.0060.00916.38
7.3.190.0110.01116.36
7.3.180.0110.00916.45
7.3.170.0060.01316.35
7.3.160.0040.01116.31
7.3.120.0060.00914.71
7.3.10.0070.01016.31
7.3.00.0100.00316.38
7.2.330.0070.01416.45
7.2.320.0030.01316.51
7.2.310.0070.01716.79
7.2.300.0040.01316.67
7.2.290.0140.00316.43
7.2.130.0090.00916.64
7.2.120.0120.00616.62
7.2.110.0090.00516.28
7.2.100.0140.00716.11
7.2.90.0150.00416.31
7.2.80.0140.01016.66
7.2.70.0110.00816.26
7.2.60.0190.00416.29
7.2.50.0110.01116.29
7.2.40.0100.00716.27
7.2.30.0160.00816.42
7.2.20.0180.01216.30
7.2.10.0250.00316.33
7.2.00.0090.00917.82
7.1.250.0100.00615.48
7.1.100.0030.00718.19
7.1.70.0000.01016.98
7.1.60.0090.01519.40
7.1.50.0090.00916.95
7.1.00.0000.08022.40
7.0.200.1280.00314.88
7.0.140.0070.07021.99
7.0.120.0030.07322.03
7.0.60.0030.07720.00
7.0.50.0030.04017.91
7.0.40.0230.04020.04
7.0.30.0200.04319.95
7.0.20.0370.05320.31
7.0.10.0270.05020.20
7.0.00.0200.07020.25
5.6.280.0070.07020.81
5.6.210.0130.07320.66
5.6.200.0030.04018.08
5.6.190.0300.07020.39
5.6.180.0200.04320.33
5.6.170.0200.06720.27
5.6.160.0170.05320.44
5.6.150.0200.04720.11
5.6.140.0230.05020.43
5.6.130.0230.04320.43
5.6.120.0170.04320.43
5.6.110.0330.05720.12
5.6.100.0300.07720.46
5.6.90.0270.05020.25
5.6.80.0170.04719.79
5.6.70.0270.04019.79
5.6.60.0170.04319.78
5.6.50.0230.04719.84
5.6.40.0270.06319.79
5.6.30.0300.06319.53
5.6.20.0300.05019.76
5.6.10.0270.07719.73
5.6.00.0200.04019.66
5.5.350.0370.07720.35
5.5.340.0070.07318.02
5.5.330.0300.06720.43
5.5.320.0230.04020.29
5.5.310.0170.04320.12
5.5.300.0370.07020.26
5.5.290.0170.05020.17
5.5.280.0330.03720.25
5.5.270.0300.05320.22
5.5.260.0270.05719.96
5.5.250.0270.04020.00
5.5.240.0300.07719.50
5.5.230.0230.05019.28
5.5.220.0200.04319.65
5.5.210.0230.04319.55
5.5.200.0200.04319.43
5.5.190.0200.07719.54
5.5.180.0230.04319.49
5.5.160.0200.04019.28
5.5.150.0230.04319.32
5.5.140.0200.04019.27
5.5.130.0230.03719.27
5.5.120.0200.05019.62
5.5.110.0200.06719.51
5.5.100.0300.04719.18
5.5.90.0300.07019.32
5.5.80.0230.05019.41
5.5.70.0330.07019.16
5.5.60.0270.03319.43
5.5.50.0230.03719.47
5.5.40.0270.04719.43
5.5.30.0230.04019.21
5.5.20.0230.03319.46
5.5.10.0170.04319.44
5.5.00.0230.04319.12
5.4.450.0200.04019.12
5.4.440.0200.08319.50
5.4.430.0300.03019.50
5.4.420.0300.07319.40
5.4.410.0170.04318.99
5.4.400.0170.05019.12
5.4.390.0230.05719.15
5.4.380.0200.05019.08
5.4.370.0270.04319.19
5.4.360.0270.03719.18
5.4.350.0270.03318.92
5.4.340.0270.03019.14
5.4.320.0200.03718.79
5.4.310.0270.04319.15
5.4.300.0170.04019.11
5.4.290.0200.05319.07
5.4.280.0170.04019.17
5.4.270.0330.04318.91
5.4.260.0200.06319.18
5.4.250.0370.03019.11
5.4.240.0230.04319.17
5.4.230.0230.03719.18
5.4.220.0200.03718.79
5.4.210.0300.07319.17
5.4.200.0400.05318.79
5.4.190.0230.04019.17
5.4.180.0230.03319.07
5.4.170.0370.05719.10
5.4.160.0430.04719.05
5.4.150.0230.07319.09
5.4.140.0230.03316.25
5.4.130.0230.03716.19
5.4.120.0170.04016.26
5.4.110.0200.08016.27
5.4.100.0200.03316.36
5.4.90.0300.06716.27
5.4.80.0230.04716.31
5.4.70.0300.04316.22
5.4.60.0330.06316.21
5.4.50.0270.07316.21
5.4.40.0300.05316.29
5.4.30.0170.04316.38
5.4.20.0270.06316.36
5.4.10.0170.04716.33
5.4.00.0230.04015.92
5.3.290.0200.03714.61
5.3.280.0230.04714.55
5.3.270.0230.04014.52
5.3.260.0270.05714.56
5.3.250.0170.04014.61
5.3.240.0230.03714.53
5.3.230.0300.06714.52
5.3.220.0200.07714.50
5.3.210.0270.07014.54
5.3.200.0200.04014.49
5.3.190.0330.06314.50
5.3.180.0200.04014.38
5.3.170.0270.05714.49
5.3.160.0170.04314.50
5.3.150.0300.05014.50
5.3.140.0200.04014.49
5.3.130.0300.05314.56
5.3.120.0230.07314.45
5.3.110.0300.06714.48
5.3.100.0200.03713.82
5.3.90.0130.04013.89
5.3.80.0170.04013.96
5.3.70.0200.03313.94
5.3.60.0300.06713.98
5.3.50.0200.05313.91
5.3.40.0230.07313.73
5.3.30.0200.04013.86
5.3.20.0200.03313.48
5.3.10.0270.04713.74
5.3.00.0270.03013.73
5.2.170.0270.05012.26
5.2.160.0200.04012.26
5.2.150.0170.03012.26
5.2.140.0130.03012.26
5.2.130.0200.02312.26
5.2.120.0230.03712.26
5.2.110.0200.02712.26
5.2.100.0300.05012.26
5.2.90.0200.02712.26
5.2.80.0270.05312.26
5.2.70.0230.05712.26
5.2.60.0230.06012.26
5.2.50.0200.02712.26
5.2.40.0130.03012.26
5.2.30.0170.03012.26
5.2.20.0130.02712.26
5.2.10.0270.05012.26
5.2.00.0200.05712.26
5.1.60.0200.04012.26
5.1.50.0130.02712.26
5.1.40.0230.04012.26
5.1.30.0070.03712.26
5.1.20.0200.04312.26
5.1.10.0130.03012.26
5.1.00.0230.05012.26
5.0.50.0130.03312.26
5.0.40.0130.04012.26
5.0.30.0130.06712.26
5.0.20.0170.01312.26
5.0.10.0130.03712.26
5.0.00.0170.04312.26
4.4.90.0100.03012.26
4.4.80.0070.01712.26
4.4.70.0100.02012.26
4.4.60.0130.01312.26
4.4.50.0070.03712.26
4.4.40.0200.04012.26
4.4.30.0070.02712.26
4.4.20.0130.03012.26
4.4.10.0130.02712.26
4.4.00.0130.05012.26
4.3.110.0130.03312.26
4.3.100.0030.02012.26
4.3.90.0130.02312.26
4.3.80.0200.02712.26
4.3.70.0070.01712.26
4.3.60.0070.03312.26
4.3.50.0400.01312.26
4.3.40.0100.04712.26
4.3.30.0070.03712.26
4.3.20.0070.01312.26
4.3.10.0000.01712.26
4.3.00.0030.01312.26

preferences:
39.58 ms | 400 KiB | 5 Q