3v4l.org

run code in 300+ PHP versions simultaneously
<?php $A = array(); $A[0] = 5; $b = &$A[0]; $C = &$A; $C[0] = 10; echo $A[0];

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)
8.3.60.0070.00718.43
8.3.50.0100.00521.91
8.3.40.0110.00418.70
8.3.30.0070.00719.08
8.3.20.0000.00720.04
8.3.10.0080.00023.54
8.3.00.0080.00021.01
8.2.180.0170.00316.63
8.2.170.0000.01422.96
8.2.160.0100.00320.39
8.2.150.0000.00824.18
8.2.140.0070.00024.66
8.2.130.0070.00026.16
8.2.120.0040.00420.86
8.2.110.0060.00322.08
8.2.100.0070.00419.51
8.2.90.0040.00419.21
8.2.80.0000.00917.97
8.2.70.0060.00317.63
8.2.60.0060.00617.68
8.2.50.0000.00818.07
8.2.40.0060.00318.15
8.2.30.0050.00318.27
8.2.20.0000.00717.66
8.2.10.0000.00718.16
8.2.00.0070.00317.61
8.1.280.0060.01525.92
8.1.270.0040.00422.12
8.1.260.0000.00826.35
8.1.250.0000.00728.09
8.1.240.0050.00522.00
8.1.230.0060.00619.01
8.1.220.0000.00717.74
8.1.210.0080.00018.77
8.1.200.0030.00617.35
8.1.190.0000.00817.23
8.1.180.0000.00818.10
8.1.170.0030.00518.52
8.1.160.0070.00021.88
8.1.150.0080.00018.56
8.1.140.0040.00417.42
8.1.130.0030.00517.82
8.1.120.0000.00717.37
8.1.110.0000.00717.43
8.1.100.0040.00417.40
8.1.90.0030.00617.27
8.1.80.0080.00017.42
8.1.70.0070.00017.36
8.1.60.0030.00617.45
8.1.50.0030.00617.48
8.1.40.0000.00717.47
8.1.30.0080.00017.65
8.1.20.0040.00417.59
8.1.10.0040.00417.55
8.1.00.0000.00817.48
8.0.300.0000.00718.77
8.0.290.0000.00717.15
8.0.280.0000.00718.43
8.0.270.0030.00317.26
8.0.260.0000.00617.35
8.0.250.0000.00716.94
8.0.240.0060.00016.99
8.0.230.0000.00716.79
8.0.220.0050.00216.71
8.0.210.0070.00016.77
8.0.200.0030.00316.85
8.0.190.0040.00416.77
8.0.180.0030.00616.83
8.0.170.0070.00016.76
8.0.160.0000.00816.76
8.0.150.0070.00016.76
8.0.140.0070.00016.78
8.0.130.0060.00013.26
8.0.120.0040.00416.68
8.0.110.0020.00516.73
8.0.100.0000.00716.80
8.0.90.0050.00216.82
8.0.80.0060.01616.86
8.0.70.0000.00816.86
8.0.60.0000.00816.80
8.0.50.0050.00316.78
8.0.30.0110.00917.02
8.0.20.0120.00717.40
8.0.10.0040.00416.90
8.0.00.0090.00916.69
7.4.330.0050.00015.00
7.4.320.0030.00316.29
7.4.300.0060.00016.41
7.4.290.0000.00716.45
7.4.280.0060.00316.56
7.4.270.0070.00016.43
7.4.260.0050.00516.44
7.4.250.0000.00816.34
7.4.240.0030.00316.58
7.4.230.0070.00016.40
7.4.220.0120.00616.29
7.4.210.0090.00616.61
7.4.200.0000.00816.61
7.4.160.0100.00716.50
7.4.150.0110.00617.40
7.4.140.0140.00717.86
7.4.130.0090.00816.54
7.4.120.0120.00716.52
7.4.110.0040.01716.57
7.4.100.0070.01016.54
7.4.90.0130.00316.39
7.4.80.0100.01019.39
7.4.70.0100.00616.42
7.4.60.0170.00016.55
7.4.50.0000.00816.34
7.4.40.0060.01016.56
7.4.30.0150.00316.58
7.4.00.0070.01014.79
7.3.330.0030.00313.00
7.3.320.0000.00512.92
7.3.310.0000.00716.19
7.3.300.0070.00016.25
7.3.290.0140.00316.28
7.3.280.0100.00816.21
7.3.270.0130.00317.40
7.3.260.0110.00916.55
7.3.250.0110.00916.27
7.3.240.0070.01416.23
7.3.230.0060.01216.46
7.3.210.0070.01016.63
7.3.200.0040.01119.39
7.3.190.0060.01116.55
7.3.180.0090.00616.34
7.3.170.0030.01216.63
7.3.160.0150.00416.42
7.3.120.0030.01214.69
7.2.330.0120.00616.43
7.2.320.0170.00016.67
7.2.310.0160.00616.71
7.2.300.0090.00916.36
7.2.290.0130.00616.69
7.2.00.0090.00319.43
7.1.100.0040.00818.00
7.1.70.0040.01116.74
7.1.60.0090.01219.70
7.1.50.0030.01916.92
7.1.00.0000.08022.36
7.0.200.0040.00416.84
7.0.140.0030.07321.97
7.0.60.0200.06719.95
7.0.50.0030.08317.86
7.0.40.0100.05020.20
7.0.30.0270.07020.15
7.0.20.0330.06020.00
7.0.10.0030.04720.00
7.0.00.0070.09020.16
5.6.280.0000.07721.14
5.6.210.0170.06320.46
5.6.200.0300.03318.22
5.6.190.0070.05320.29
5.6.180.0470.05720.41
5.6.170.0230.06720.46
5.6.160.0130.04720.47
5.6.150.0070.08318.22
5.6.140.0100.08018.15
5.6.130.0130.04318.11
5.6.120.0170.06720.87
5.6.110.0100.08720.97
5.6.100.0100.08320.88
5.6.90.0200.07020.99
5.6.80.0170.07720.40
5.5.350.0230.04020.51
5.5.340.0070.06718.02
5.5.330.0070.09020.01
5.5.320.0270.05320.30
5.5.310.0100.04720.30
5.5.300.0070.08318.00
5.5.290.0070.04017.90
5.5.280.0070.05720.89
5.5.270.0070.03720.85
5.5.260.0130.03020.96
5.5.250.0200.07320.58
5.5.240.0130.08320.14
5.4.450.0130.04726.13
5.4.440.0170.04726.12
5.4.430.0200.04326.09
5.4.420.0430.04026.08
5.4.410.0270.04026.08
5.4.400.0230.04325.89
5.4.390.0300.04725.72
5.4.380.0170.07318.68
5.4.370.0270.04018.48
5.4.360.0070.05718.45
5.4.350.0100.05718.71
5.4.340.0200.05018.59
5.4.320.0080.03412.45
5.4.310.0050.03912.45
5.4.300.0120.04512.45
5.4.290.0070.04512.45
5.4.280.0060.03912.35
5.4.270.0080.03912.34
5.4.260.0080.04112.35
5.4.250.0050.04212.35
5.4.240.0100.03412.34
5.4.230.0060.04312.34
5.4.220.0080.04212.34
5.4.210.0070.04912.34
5.4.200.0070.04312.34
5.4.190.0040.05012.33
5.4.180.0090.04412.33
5.4.170.0070.03912.34
5.4.160.0070.04612.34
5.4.150.0100.03512.34
5.4.140.0090.04712.02
5.4.130.0120.04212.01
5.4.120.0040.04411.96
5.4.110.0080.04211.96
5.4.100.0070.03811.96
5.4.90.0060.05611.96
5.4.80.0090.05411.96
5.4.70.0090.05111.96
5.4.60.0180.04111.96
5.4.50.0100.05011.96
5.4.40.0060.03811.95
5.4.30.0070.03611.95
5.4.20.0080.03411.95
5.4.10.0040.03711.95
5.4.00.0080.04011.44
5.3.290.0050.04112.80
5.3.280.0100.05112.71
5.3.270.0110.05012.73
5.3.260.0080.05212.72
5.3.250.0070.05012.71
5.3.240.0060.04712.72
5.3.230.0080.03812.70
5.3.220.0060.03812.68
5.3.210.0060.04012.68
5.3.200.0080.03512.68
5.3.190.0070.04112.67
5.3.180.0070.05012.68
5.3.170.0060.05212.67
5.3.160.0080.04312.68
5.3.150.0080.03812.67
5.3.140.0090.04312.66
5.3.130.0070.04412.66
5.3.120.0070.04112.66
5.3.110.0080.04112.66
5.3.100.0080.03912.12
5.3.90.0060.03912.08
5.3.80.0130.04512.08
5.3.70.0070.04112.07
5.3.60.0050.05412.06
5.3.50.0080.05212.00
5.3.40.0120.04612.00
5.3.30.0070.03811.94
5.3.20.0080.03611.73
5.3.10.0030.03911.69
5.3.00.0100.03411.68
5.2.170.0030.0339.18
5.2.160.0070.0299.18
5.2.150.0070.0299.18
5.2.140.0090.0329.17
5.2.130.0060.0309.13
5.2.120.0090.0269.14
5.2.110.0050.0359.14
5.2.100.0070.0279.14
5.2.90.0070.0309.14
5.2.80.0060.0309.13
5.2.70.0080.0279.13
5.2.60.0070.0339.09
5.2.50.0040.0349.05
5.2.40.0130.0379.04
5.2.30.0060.0319.00
5.2.20.0080.0319.00
5.2.10.0110.0258.93
5.2.00.0040.0328.79
5.1.60.0060.0228.07
5.1.50.0030.0278.07
5.1.40.0020.0288.05
5.1.30.0050.0258.40
5.1.20.0030.0278.42
5.1.10.0050.0368.15
5.1.00.0050.0258.15
5.0.50.0020.0226.63
5.0.40.0060.0166.48
5.0.30.0030.0326.30
5.0.20.0030.0226.27
5.0.10.0070.0396.25
5.0.00.0020.0436.24
4.4.90.0040.0154.78
4.4.80.0020.0164.75
4.4.70.0020.0174.76
4.4.60.0020.0174.76
4.4.50.0030.0174.77
4.4.40.0040.0254.70
4.4.30.0020.0184.76
4.4.20.0020.0184.84
4.4.10.0010.0194.85
4.4.00.0030.0254.76
4.3.110.0020.0184.67
4.3.100.0030.0174.66
4.3.90.0040.0214.63
4.3.80.0030.0344.58
4.3.70.0070.0204.63
4.3.60.0030.0224.63
4.3.50.0050.0224.63
4.3.40.0050.0304.53
4.3.30.0050.0193.29
4.3.20.0040.0193.27
4.3.10.0040.0193.23
4.3.00.0030.01725.53

preferences:
45.04 ms | 401 KiB | 5 Q