3v4l.org

run code in 300+ PHP versions simultaneously
<?php $A = array(); $B = &$A[0]; $F = &$A[1]; $C = $A; $D = $A; $C[0] = $D[1]; $C[0] = 10; $C[1] = 20; echo $A[0] . ' ' . $A[1];

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)
8.3.60.0040.01418.15
8.3.50.0100.00522.03
8.3.40.0120.00618.88
8.3.30.0140.00419.25
8.3.20.0000.00720.12
8.3.10.0080.00023.50
8.3.00.0040.00419.19
8.2.180.0130.00616.32
8.2.170.0110.00422.96
8.2.160.0100.00320.39
8.2.150.0050.00224.18
8.2.140.0050.00324.66
8.2.130.0040.00426.16
8.2.120.0070.00020.73
8.2.110.0060.00322.25
8.2.100.0040.00820.58
8.2.90.0060.00319.36
8.2.80.0000.00817.97
8.2.70.0060.00317.63
8.2.60.0030.00618.03
8.2.50.0030.00518.07
8.2.40.0050.00320.20
8.2.30.0000.00718.42
8.2.20.0040.00417.73
8.2.10.0000.00717.96
8.2.00.0050.00517.73
8.1.280.0120.00325.92
8.1.270.0030.00523.82
8.1.260.0050.00326.35
8.1.250.0000.00828.09
8.1.240.0040.00423.82
8.1.230.0100.00019.14
8.1.220.0080.00017.75
8.1.210.0000.00818.77
8.1.200.0120.00017.36
8.1.190.0000.00817.23
8.1.180.0030.00618.10
8.1.170.0040.00418.66
8.1.160.0040.00421.88
8.1.150.0040.00418.51
8.1.140.0040.00417.51
8.1.130.0000.00617.87
8.1.120.0030.00317.48
8.1.110.0050.00217.42
8.1.100.0000.00717.45
8.1.90.0030.00517.49
8.1.80.0040.00417.45
8.1.70.0070.00017.33
8.1.60.0040.00417.57
8.1.50.0000.00717.42
8.1.40.0030.00517.54
8.1.30.0030.00517.50
8.1.20.0070.00017.57
8.1.10.0000.00717.60
8.1.00.0040.00417.51
8.0.300.0040.00418.77
8.0.290.0040.00416.75
8.0.280.0000.00718.43
8.0.270.0000.00717.25
8.0.260.0030.00517.16
8.0.250.0030.00316.92
8.0.240.0050.00316.92
8.0.230.0040.00416.97
8.0.220.0000.00716.94
8.0.210.0030.00316.88
8.0.200.0030.00316.82
8.0.190.0070.00016.96
8.0.180.0040.00416.82
8.0.170.0040.00416.89
8.0.160.0030.00316.90
8.0.150.0000.00716.73
8.0.140.0000.00816.90
8.0.130.0000.00513.30
8.0.120.0040.00416.82
8.0.110.0000.00716.88
8.0.100.0070.00016.80
8.0.90.0050.00216.72
8.0.80.0060.00916.82
8.0.70.0000.00716.77
8.0.60.0000.00716.89
8.0.50.0030.00516.83
8.0.30.0140.00417.05
8.0.20.0110.01117.40
8.0.10.0040.00416.73
8.0.00.0070.01116.81
7.4.330.0020.00215.00
7.4.320.0060.00016.52
7.4.300.0050.00216.50
7.4.290.0000.00716.60
7.4.280.0040.00416.46
7.4.270.0070.00016.48
7.4.260.0070.00016.43
7.4.250.0040.00416.59
7.4.240.0050.00216.52
7.4.230.0000.00716.25
7.4.220.0080.00816.33
7.4.210.0090.00916.51
7.4.200.0030.00516.41
7.4.160.0120.00316.40
7.4.150.0180.00617.40
7.4.140.0090.00917.86
7.4.130.0110.00616.55
7.4.120.0130.00516.53
7.4.110.0030.01616.56
7.4.100.0130.00416.35
7.4.90.0150.00316.43
7.4.80.0060.01119.39
7.4.70.0120.00316.35
7.4.60.0160.00616.42
7.4.50.0000.00616.47
7.4.40.0130.00316.60
7.4.30.0060.00916.69
7.4.00.0060.00915.03
7.3.330.0000.00613.08
7.3.320.0050.00013.10
7.3.310.0040.00416.35
7.3.300.0040.00416.20
7.3.290.0090.00616.22
7.3.280.0070.01216.26
7.3.270.0080.00817.40
7.3.260.0130.01016.55
7.3.250.0110.00616.45
7.3.240.0070.01116.59
7.3.230.0090.00616.39
7.3.210.0100.00716.27
7.3.200.0040.01319.39
7.3.190.0100.00716.45
7.3.180.0030.01316.38
7.3.170.0060.00916.61
7.3.160.0130.00316.21
7.3.120.0000.01514.59
7.2.330.0120.00616.66
7.2.320.0090.01216.38
7.2.310.0000.01716.52
7.2.300.0110.00516.61
7.2.290.0150.00616.75
7.1.200.0020.00515.62
7.1.70.0090.00617.14
7.1.60.0030.02019.70
7.1.50.0100.01417.02
7.1.00.0030.07322.28
7.0.200.0000.00716.98
7.0.140.0030.07322.07
7.0.60.0030.06019.89
7.0.50.0100.06717.68
7.0.40.0030.08319.96
7.0.30.0230.06320.20
7.0.20.0470.08320.18
7.0.10.0030.09720.16
7.0.00.0030.05020.02
5.6.280.0030.07320.86
5.6.210.0100.07020.68
5.6.200.0030.08718.08
5.6.190.0100.08320.45
5.6.180.0470.07320.77
5.6.170.0170.05320.37
5.6.160.0030.08720.69
5.6.150.0000.04718.21
5.6.140.0100.07718.11
5.6.130.0030.05718.10
5.6.120.0130.08020.93
5.6.110.0070.08721.13
5.6.100.0100.05021.06
5.6.90.0030.08321.02
5.6.80.0130.02720.40
5.5.350.0070.03720.28
5.5.340.0030.06318.00
5.5.330.0130.04020.07
5.5.320.0330.05720.13
5.5.310.0230.04320.31
5.5.300.0130.07317.91
5.5.290.0030.04317.96
5.5.280.0070.07020.84
5.5.270.0130.07020.63
5.5.260.0030.04720.88
5.5.250.0100.07720.61
5.5.240.0300.06020.26
5.4.450.0400.04026.16
5.4.440.0230.04026.13
5.4.430.0530.03726.13
5.4.420.0200.04026.12
5.4.410.0230.04326.11
5.4.400.1230.04719.13
5.4.390.0170.04726.09
5.4.380.0170.05018.69
5.4.370.0170.04718.73
5.4.360.0170.05018.49
5.4.350.0170.05018.68
5.4.340.0130.05018.58
5.4.320.0050.04412.45
5.4.310.0080.03612.45
5.4.300.0070.05312.45
5.4.290.0050.05712.45
5.4.280.0050.05312.34
5.4.270.0100.04912.34
5.4.260.0060.05912.34
5.4.250.0070.06512.34
5.4.240.0130.05612.35
5.4.230.0130.05912.34
5.4.220.0150.04712.34
5.4.210.0100.05112.34
5.4.200.0080.05612.34
5.4.190.0120.04912.34
5.4.180.0060.05612.33
5.4.170.0180.05912.34
5.4.160.0130.04712.34
5.4.150.0110.03812.34
5.4.140.0100.04512.02
5.4.130.0090.05312.01
5.4.120.0080.04211.97
5.4.110.0090.03911.97
5.4.100.0040.04611.96
5.4.90.0080.04111.96
5.4.80.0060.03911.96
5.4.70.0110.03511.96
5.4.60.0060.05011.96
5.4.50.0110.04911.96
5.4.40.0050.05411.95
5.4.30.0100.04911.95
5.4.20.0070.05811.95
5.4.10.0080.05211.95
5.4.00.0070.05611.44
5.3.290.0060.04312.80
5.3.280.0080.04912.70
5.3.270.0110.05112.72
5.3.260.0120.04512.71
5.3.250.0120.05012.72
5.3.240.0070.05512.72
5.3.230.0120.04912.71
5.3.220.0090.05312.68
5.3.210.0080.05512.68
5.3.200.0040.05712.68
5.3.190.0070.05412.68
5.3.180.0080.05412.67
5.3.170.0130.05012.67
5.3.160.0100.05012.68
5.3.150.0080.04912.67
5.3.140.0050.04212.66
5.3.130.0090.04112.66
5.3.120.0100.04012.66
5.3.110.0060.04412.66
5.3.100.0140.03712.12
5.3.90.0070.04312.09
5.3.80.0070.03912.07
5.3.70.0070.04412.07
5.3.60.0050.04212.07
5.3.50.0070.03812.00
5.3.40.0060.04112.00
5.3.30.0050.04211.94
5.3.20.0050.04311.72
5.3.10.0040.04311.69
5.3.00.0080.04111.68
5.2.170.0080.0439.18
5.2.160.0060.0439.18
5.2.150.0070.0399.18
5.2.140.0100.0369.17
5.2.130.0090.0409.13
5.2.120.0100.0459.14
5.2.110.0060.0439.14
5.2.100.0040.0479.14
5.2.90.0070.0429.14
5.2.80.0100.0429.13
5.2.70.0090.0439.14
5.2.60.0060.0379.09
5.2.50.0050.0479.06
5.2.40.0070.0439.04
5.2.30.0090.0319.01
5.2.20.0070.0319.00
5.2.10.0090.0358.94
5.2.00.0080.0388.79
5.1.60.0080.0328.08
5.1.50.0050.0338.07
5.1.40.0020.0388.05
5.1.30.0080.0308.41
5.1.20.0060.0308.43
5.1.10.0110.0318.15
5.1.00.0090.0468.15
5.0.50.0070.0286.63
5.0.40.0080.0196.49
5.0.30.0060.0366.30
5.0.20.0030.0216.27
5.0.10.0100.0196.25
5.0.00.0060.0336.24
4.4.90.0040.0154.78
4.4.80.0050.0144.75
4.4.70.0030.0164.75
4.4.60.0040.0154.75
4.4.50.0050.0144.77
4.4.40.0070.0244.71
4.4.30.0030.0174.76
4.4.20.0030.0164.85
4.4.10.0040.0164.85
4.4.00.0050.0254.76
4.3.110.0020.0174.67
4.3.100.0020.0174.66
4.3.90.0020.0164.64
4.3.80.0040.0254.58
4.3.70.0040.0164.63
4.3.60.0030.0214.63
4.3.50.0060.0214.63
4.3.40.0030.0394.54
4.3.30.0030.0363.29
4.3.20.0040.0203.27
4.3.10.0060.0183.23
4.3.00.0100.01326.08

preferences:
31.29 ms | 401 KiB | 5 Q