3v4l.org

run code in 300+ PHP versions simultaneously
<?php $x = 0; $a = &$x; $x++; echo 'x=', $x, ' a=', $a, '\n'; $a++; echo 'x=', $x, ' a=', $a, '\n';

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
8.3.50.0120.00721.13
8.3.40.0140.00718.64
8.3.30.0110.00718.96
8.3.20.0070.00019.96
8.3.10.0050.00323.46
8.3.00.0100.00017.50
8.2.180.0080.00816.50
8.2.170.0090.00922.96
8.2.160.0000.01420.52
8.2.150.0080.00024.18
8.2.140.0080.00024.66
8.2.130.0000.00826.16
8.2.120.0070.00720.42
8.2.110.0070.00320.32
8.2.100.0080.00417.96
8.2.90.0030.00619.22
8.2.80.0040.00417.97
8.2.70.0000.00917.63
8.2.60.0110.00017.93
8.2.50.0050.00518.07
8.2.40.0000.00819.94
8.2.30.0080.00018.03
8.2.20.0040.00417.73
8.2.10.0050.00218.04
8.2.00.0030.00617.59
8.1.280.0110.00325.92
8.1.270.0090.00022.03
8.1.260.0030.00626.35
8.1.250.0000.00828.09
8.1.240.0090.00023.80
8.1.230.0080.00419.01
8.1.220.0040.00417.74
8.1.210.0040.00418.77
8.1.200.0060.00317.23
8.1.190.0040.00417.11
8.1.180.0040.00418.10
8.1.170.0050.00318.58
8.1.160.0040.00421.79
8.1.150.0050.00218.81
8.1.140.0000.00817.33
8.1.130.0000.00717.82
8.1.120.0040.00417.29
8.1.110.0070.00017.38
8.1.100.0030.00417.23
8.1.90.0080.00017.23
8.1.80.0000.00817.43
8.1.70.0030.00317.27
8.1.60.0060.00317.50
8.1.50.0030.00617.39
8.1.40.0070.00017.35
8.1.30.0050.00317.55
8.1.20.0000.00717.63
8.1.10.0050.00217.56
8.1.00.0080.00017.41
8.0.300.0040.00418.77
8.0.290.0040.00416.75
8.0.280.0030.00318.45
8.0.270.0070.00017.24
8.0.260.0030.00317.25
8.0.250.0000.00716.95
8.0.240.0030.00316.86
8.0.230.0040.00416.87
8.0.220.0030.00316.82
8.0.210.0040.00416.80
8.0.200.0030.00316.93
8.0.190.0000.00816.83
8.0.180.0070.00016.77
8.0.170.0040.00416.73
8.0.160.0000.00716.76
8.0.150.0040.00416.71
8.0.140.0030.00416.70
8.0.130.0000.00613.27
8.0.120.0050.00316.75
8.0.110.0040.00416.86
8.0.100.0040.00416.70
8.0.90.0030.00316.69
8.0.80.0060.00916.77
8.0.70.0000.00716.70
8.0.60.0080.00016.63
8.0.50.0000.00716.75
8.0.30.0120.01017.06
8.0.20.0070.01317.40
8.0.10.0040.00416.94
8.0.00.0100.00716.73
7.4.330.0030.00315.00
7.4.320.0060.00016.58
7.4.300.0030.00316.43
7.4.290.0030.00316.54
7.4.280.0030.00716.54
7.4.270.0000.00716.51
7.4.260.0050.00516.36
7.4.250.0000.00716.40
7.4.240.0020.00516.53
7.4.230.0040.00416.54
7.4.220.0130.01016.49
7.4.210.0030.01016.59
7.4.200.0000.00716.61
7.4.160.0110.00716.46
7.4.150.0140.00517.40
7.4.140.0080.01117.86
7.4.130.0110.00916.36
7.4.120.0090.00616.28
7.4.110.0120.01216.46
7.4.100.0060.01616.25
7.4.90.0060.01216.30
7.4.80.0130.00319.39
7.4.70.0100.00616.45
7.4.60.0100.00616.36
7.4.50.0080.00016.52
7.4.40.0150.00816.48
7.4.30.0100.00716.36
7.4.00.0070.01114.80
7.3.330.0030.00313.08
7.3.320.0030.00313.01
7.3.310.0040.00416.40
7.3.300.0000.00616.25
7.3.290.0030.01016.26
7.3.280.0090.00916.25
7.3.270.0100.01017.40
7.3.260.0110.00716.54
7.3.250.0060.01016.40
7.3.240.0130.00716.25
7.3.230.0080.00816.41
7.3.210.0100.00616.39
7.3.200.0120.01119.39
7.3.190.0130.00316.32
7.3.180.0040.01716.42
7.3.170.0080.00816.32
7.3.160.0070.01016.52
7.3.10.0030.01016.27
7.3.00.0190.01116.10
7.2.330.0100.00716.58
7.2.320.0070.01016.68
7.2.310.0030.02016.50
7.2.300.0170.00016.40
7.2.290.0080.00816.31
7.2.130.0110.00816.19
7.2.120.0100.00716.60
7.2.110.0120.00916.55
7.2.100.0070.01116.34
7.2.90.0070.00716.37
7.2.80.0080.00616.42
7.2.70.0040.01116.64
7.2.60.0160.00616.64
7.2.50.0120.00616.32
7.2.40.0040.01116.51
7.2.30.0070.00716.34
7.2.20.0150.00416.35
7.2.10.0110.01516.39
7.2.00.0060.00818.15
7.1.250.0090.00614.92
7.1.100.0060.00617.99
7.1.70.0030.00516.93
7.1.60.0170.00719.32
7.1.50.0080.00416.84
7.1.00.0100.07022.32
7.0.200.0000.00716.40
7.0.140.0030.07321.97
7.0.70.3730.04019.89
7.0.60.0070.06319.91
7.0.50.0130.07717.87
7.0.40.0200.07320.06
7.0.30.0070.07020.18
7.0.20.0300.07720.11
7.0.10.0200.07720.21
7.0.00.0000.09020.04
5.6.280.0000.07721.03
5.6.210.0130.06020.71
5.6.200.0130.08018.23
5.6.190.0100.08020.35
5.6.180.0270.04720.29
5.6.170.0370.07020.38
5.6.160.0130.04720.48
5.6.150.0070.03718.18
5.6.140.0070.06318.21
5.6.130.0030.08318.21
5.6.120.0100.04720.95
5.6.110.0030.09021.00
5.6.100.0070.08720.95
5.6.90.0000.04720.87
5.6.80.0070.08320.37
5.6.70.0200.05720.38
5.5.350.0130.07320.39
5.5.340.0030.05318.02
5.5.330.0030.04320.43
5.5.320.0070.06020.24
5.5.310.0230.08320.17
5.5.300.0100.04318.02
5.5.290.0030.04317.89
5.5.280.0070.06020.97
5.5.270.0100.04720.76
5.5.260.0100.08720.83
5.5.250.0170.06720.61
5.5.240.0030.07720.23
5.4.450.0300.03719.41
5.4.440.0130.06319.41
5.4.430.0230.04719.25
5.4.420.0670.00019.52
5.4.410.0630.00019.32
5.4.400.0630.00019.15
5.4.390.0630.00019.07
5.4.380.0670.00019.18
5.4.370.0600.00019.04
5.4.360.0600.00019.10
5.4.350.0630.00018.98
5.4.340.0080.03411.97
5.4.320.0050.03812.45
5.4.310.0100.04012.45
5.4.300.0050.04712.45
5.4.290.0060.05012.45
5.4.280.0060.03512.35
5.4.270.0060.03612.34
5.4.260.0060.03812.34
5.4.250.0050.03912.34
5.4.240.0060.03612.35
5.4.230.0070.03712.34
5.4.220.0060.03812.34
5.4.210.0120.04312.34
5.4.200.0060.04112.34
5.4.190.0080.03712.33
5.4.180.0080.03812.33
5.4.170.0060.04212.34
5.4.160.0060.04012.34
5.4.150.0060.04612.34
5.4.140.0090.06212.02
5.4.130.0180.07812.01
5.4.120.0110.04311.96
5.4.110.0120.04211.96
5.4.100.0060.03511.96
5.4.90.0040.04111.96
5.4.80.0070.03511.97
5.4.70.0040.03711.96
5.4.60.0060.03411.96
5.4.50.0050.03611.96
5.4.40.0110.03711.95
5.4.30.0060.03911.95
5.4.20.0050.03611.95
5.4.10.0030.03811.95
5.4.00.0060.03511.43
5.3.290.0060.04112.80
5.3.280.0120.03312.71
5.3.270.0050.04512.72
5.3.260.0090.03612.72
5.3.250.0070.03612.72
5.3.240.0090.04112.71
5.3.230.0100.04312.71
5.3.220.0110.04012.68
5.3.210.0090.04412.68
5.3.200.0040.04212.68
5.3.190.0040.04212.68
5.3.180.0090.03912.68
5.3.170.0070.04912.67
5.3.160.0060.03912.67
5.3.150.0110.03812.67
5.3.140.0070.04312.66
5.3.130.0050.04212.65
5.3.120.0050.04012.66
5.3.110.0090.04512.66
5.3.100.0040.04312.12
5.3.90.0080.03612.08
5.3.80.0100.03912.08
5.3.70.0070.03512.07
5.3.60.0050.03712.06
5.3.50.0070.03812.00
5.3.40.0100.03512.00
5.3.30.0080.04311.93
5.3.20.0080.03911.72
5.3.10.0090.04711.69
5.3.00.0080.04511.67
5.2.170.0060.0369.18
5.2.160.0100.0319.18
5.2.150.0080.0329.18
5.2.140.0050.0329.17
5.2.130.0050.0329.13
5.2.120.0050.0329.14
5.2.110.0070.0309.14
5.2.100.0060.0399.14
5.2.90.0070.0299.14
5.2.80.0060.0329.14
5.2.70.0070.0339.13
5.2.60.0070.0329.08
5.2.50.0080.0369.05
5.2.40.0040.0319.03
5.2.30.0060.0309.01
5.2.20.0040.0299.00
5.2.10.0050.0298.93
5.2.00.0060.0288.79
5.1.60.0050.0288.08
5.1.50.0080.0248.07
5.1.40.0030.0268.06
5.1.30.0070.0258.41
5.1.20.0060.0288.43
5.1.10.0040.0318.15
5.1.00.0060.0268.15
5.0.50.0050.0256.63
5.0.40.0030.0206.48
5.0.30.0040.0326.30
5.0.20.0030.0206.27
5.0.10.0040.0206.25
5.0.00.0030.0336.24
4.4.90.0040.0154.78
4.4.80.0010.0184.75
4.4.70.0070.0164.75
4.4.60.0020.0194.75
4.4.50.0030.0164.77
4.4.40.0040.0324.70
4.4.30.0040.0184.76
4.4.20.0060.0174.84
4.4.10.0070.0324.85
4.4.00.0050.0264.76
4.3.110.0020.0194.67
4.3.100.0020.0194.67
4.3.90.0040.0194.64
4.3.80.0050.0254.59
4.3.70.0060.0184.63
4.3.60.0030.0154.63
4.3.50.0050.0164.63
4.3.40.0020.0274.54
4.3.30.0060.0143.29
4.3.20.0000.0183.27
4.3.10.0010.0163.23
4.3.00.0030.01314.27

preferences:
43.85 ms | 401 KiB | 5 Q