3v4l.org

run code in 300+ PHP versions simultaneously
<?php $A = array(3,4); $B = &$A[0]; $F = &$A[1]; $C = $A; $D = $A; $C[0] = $D[1]; $C[0] = 10; $D[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)
8.3.60.0070.01418.30
8.3.50.0080.00821.93
8.3.40.0140.00018.88
8.3.30.0100.01019.01
8.3.20.0070.00020.33
8.3.10.0040.00423.48
8.3.00.0080.00019.11
8.2.180.0060.00916.38
8.2.170.0100.00322.96
8.2.160.0100.00320.52
8.2.150.0040.01124.18
8.2.140.0000.00724.66
8.2.130.0000.00726.16
8.2.120.0040.00420.63
8.2.110.0090.00019.36
8.2.100.0100.00317.84
8.2.90.0040.00419.17
8.2.80.0030.00517.97
8.2.70.0000.00917.75
8.2.60.0080.00018.16
8.2.50.0030.00518.07
8.2.40.0030.00618.09
8.2.30.0000.00818.23
8.2.20.0000.00717.65
8.2.10.0030.00617.96
8.2.00.0050.00217.68
8.1.280.0070.00725.92
8.1.270.0080.00023.84
8.1.260.0000.00726.35
8.1.250.0040.00428.09
8.1.240.0110.00023.78
8.1.230.0000.01120.88
8.1.220.0060.00317.79
8.1.210.0000.00818.77
8.1.200.0110.00417.25
8.1.190.0000.00817.35
8.1.180.0040.00418.10
8.1.170.0040.00418.59
8.1.160.0020.00521.96
8.1.150.0040.00418.63
8.1.140.0030.00617.37
8.1.130.0000.00717.86
8.1.120.0000.00717.37
8.1.110.0000.00817.45
8.1.100.0000.00717.47
8.1.90.0050.00317.48
8.1.80.0040.00417.34
8.1.70.0050.00317.45
8.1.60.0030.00617.59
8.1.50.0000.00817.47
8.1.40.0060.00317.54
8.1.30.0030.00617.53
8.1.20.0080.00017.56
8.1.10.0000.00717.62
8.1.00.0040.00417.57
8.0.300.0000.00818.77
8.0.290.0070.00016.75
8.0.280.0050.00218.48
8.0.270.0070.00017.26
8.0.260.0030.00317.21
8.0.250.0040.00416.95
8.0.240.0040.00417.00
8.0.230.0000.00716.89
8.0.220.0030.00316.76
8.0.210.0000.00716.90
8.0.200.0000.00716.90
8.0.190.0040.00416.92
8.0.180.0000.00816.89
8.0.170.0030.00516.96
8.0.160.0030.00316.82
8.0.150.0000.00716.85
8.0.140.0030.00316.84
8.0.130.0000.00513.36
8.0.120.0000.00816.88
8.0.110.0000.00716.91
8.0.100.0030.00516.75
8.0.90.0000.00716.76
8.0.80.0030.01716.80
8.0.70.0050.00316.87
8.0.60.0040.00416.89
8.0.50.0040.00416.84
8.0.30.0070.01516.90
8.0.20.0100.01117.40
8.0.10.0050.00316.79
8.0.00.0130.00516.93
7.4.330.0020.00215.00
7.4.320.0000.00616.50
7.4.300.0030.00316.57
7.4.290.0030.00316.59
7.4.280.0050.00316.60
7.4.270.0000.00716.59
7.4.260.0000.00716.47
7.4.250.0000.00816.55
7.4.240.0040.00316.46
7.4.230.0000.00716.53
7.4.220.0080.00816.43
7.4.210.0080.00816.53
7.4.200.0000.00716.57
7.4.160.0090.00616.53
7.4.150.0100.00717.40
7.4.140.0140.01117.86
7.4.130.0090.00716.46
7.4.120.0060.01116.53
7.4.110.0060.01016.61
7.4.100.0080.01216.59
7.4.90.0070.01016.58
7.4.80.0180.03319.39
7.4.70.0110.00516.58
7.4.60.0100.00616.56
7.4.50.0040.00416.63
7.4.40.0050.01116.27
7.4.30.0080.00816.52
7.4.00.0030.01014.72
7.3.330.0000.00613.18
7.3.320.0030.00313.11
7.3.310.0040.00416.23
7.3.300.0030.00316.28
7.3.290.0150.00416.24
7.3.280.0060.01116.25
7.3.270.0190.00317.40
7.3.260.0030.01316.16
7.3.250.0130.01016.49
7.3.240.0100.00716.54
7.3.230.0100.01016.54
7.3.210.0210.00316.26
7.3.200.0060.00919.39
7.3.190.0090.01216.34
7.3.180.0100.00516.28
7.3.170.0060.00916.30
7.3.160.0090.00816.55
7.3.120.0070.01015.05
7.2.330.0040.01516.71
7.2.320.0070.01016.75
7.2.310.0130.00316.66
7.2.300.0110.00616.45
7.2.290.0120.00816.51
7.2.60.0060.00816.93
7.2.50.0000.01316.93
7.1.200.0000.01216.01
7.1.70.0030.00516.76
7.1.60.0130.01019.70
7.1.50.0100.01016.70
7.1.00.0070.07322.51
7.0.200.0210.00316.84
7.0.140.0100.06722.18
7.0.60.0130.07720.01
7.0.50.0130.07717.79
7.0.40.0070.04720.06
7.0.30.0230.03320.04
7.0.20.0130.05020.09
7.0.10.0100.04020.16
7.0.00.0070.07020.09
5.6.280.0070.06720.83
5.6.210.0100.07020.46
5.6.200.0100.06018.23
5.6.190.0130.08020.67
5.6.180.0530.07020.32
5.6.170.0330.04720.73
5.6.160.0030.04320.48
5.6.150.0070.03718.14
5.6.140.0030.04018.18
5.6.130.0100.08018.09
5.6.120.0070.08321.07
5.6.110.0100.06720.94
5.6.100.0100.07021.03
5.6.90.0070.08320.95
5.6.80.0100.07020.37
5.5.350.0230.03720.52
5.5.340.0130.03717.92
5.5.330.0030.05320.40
5.5.320.0370.06020.20
5.5.310.0170.03720.27
5.5.300.0070.05717.98
5.5.290.0070.07717.92
5.5.280.0130.07720.86
5.5.270.0070.05320.71
5.5.260.0000.08320.86
5.5.250.0100.08020.55
5.5.240.2170.03720.28
5.4.450.0300.04726.16
5.4.440.0600.03726.13
5.4.430.0400.04026.13
5.4.420.0230.04726.13
5.4.410.0200.05326.12
5.4.400.0430.04326.11
5.4.390.0270.04726.09
5.4.380.0200.04718.55
5.4.370.0130.05318.68
5.4.360.0070.05718.65
5.4.350.0070.06018.58
5.4.340.0100.05718.50
5.4.320.0050.03712.45
5.4.310.0070.03912.45
5.4.300.0080.03912.45
5.4.290.0100.04112.45
5.4.280.0060.03912.34
5.4.270.0050.03912.35
5.4.260.0070.04012.35
5.4.250.0120.03412.34
5.4.240.0100.03412.35
5.4.230.0040.04012.34
5.4.220.0050.04112.34
5.4.210.0060.03912.34
5.4.200.0060.04012.34
5.4.190.0040.04612.33
5.4.180.0060.05412.33
5.4.170.0060.04112.34
5.4.160.0060.03912.34
5.4.150.0080.03612.34
5.4.140.0080.03712.02
5.4.130.0080.03712.01
5.4.120.0060.03811.96
5.4.110.0070.04111.96
5.4.100.0090.04911.96
5.4.90.0080.05211.96
5.4.80.0060.04811.96
5.4.70.0090.05011.96
5.4.60.0060.04011.96
5.4.50.0140.06311.96
5.4.40.0110.06211.95
5.4.30.0130.05611.95
5.4.20.0130.07311.95
5.4.10.0080.06211.95
5.4.00.0130.05311.44
5.3.290.0080.03712.80
5.3.280.0140.06812.71
5.3.270.0090.06812.72
5.3.260.0100.08312.72
5.3.250.0170.08312.72
5.3.240.0130.04912.72
5.3.230.0170.06512.71
5.3.220.0150.10112.68
5.3.210.0160.06112.68
5.3.200.0140.06012.68
5.3.190.0110.04312.68
5.3.180.0100.04512.68
5.3.170.0090.04412.67
5.3.160.0090.04912.68
5.3.150.0070.05312.67
5.3.140.0110.08312.66
5.3.130.0110.05712.66
5.3.120.0080.04712.65
5.3.110.0090.04812.66
5.3.100.0060.04312.12
5.3.90.0090.05212.08
5.3.80.0100.04712.08
5.3.70.0100.06312.07
5.3.60.0130.06512.06
5.3.50.0050.07512.00
5.3.40.0190.12312.00
5.3.30.0130.07211.95
5.3.20.0180.07311.72
5.3.10.0220.12111.69
5.3.00.0200.09011.68
5.2.170.0160.0619.18
5.2.160.0150.0579.18
5.2.150.0200.1029.18
5.2.140.0190.0679.18
5.2.130.0140.0789.13
5.2.120.0060.0579.14
5.2.110.0060.0379.14
5.2.100.0090.0599.14
5.2.90.0040.0439.14
5.2.80.0030.0349.14
5.2.70.0070.0429.14
5.2.60.0070.0429.09
5.2.50.0050.0439.05
5.2.40.0040.0419.03
5.2.30.0050.0429.01
5.2.20.0120.0379.00
5.2.10.0040.0328.94
5.2.00.0050.0308.79
5.1.60.0020.0278.07
5.1.50.0040.0268.07
5.1.40.0030.0288.05
5.1.30.0050.0278.41
5.1.20.0060.0268.43
5.1.10.0050.0288.15
5.1.00.0050.0268.14
5.0.50.0040.0216.63
5.0.40.0030.0206.49
5.0.30.0020.0336.30
5.0.20.0020.0226.27
5.0.10.0030.0216.25
5.0.00.0030.0316.24
4.4.90.0030.0154.78
4.4.80.0040.0144.76
4.4.70.0020.0164.76
4.4.60.0020.0164.76
4.4.50.0010.0174.77
4.4.40.0040.0254.71
4.4.30.0030.0164.76
4.4.20.0030.0164.84
4.4.10.0030.0184.85
4.4.00.0050.0254.76
4.3.110.0060.0184.67
4.3.100.0010.0184.66
4.3.90.0030.0164.63
4.3.80.0020.0314.58
4.3.70.0060.0134.63
4.3.60.0030.0164.63
4.3.50.0030.0174.63
4.3.40.0040.0244.54
4.3.30.0040.0183.30
4.3.20.0060.0203.27
4.3.10.0010.0183.23
4.3.00.0030.01726.09

preferences:
48.27 ms | 400 KiB | 5 Q