3v4l.org

run code in 300+ PHP versions simultaneously
<?php function writeMsg() { global $a; $a=5; echo "Hello world!"; return "kkk"; } writeMsg(); // call the function ?>

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)
8.3.60.0070.00716.75
8.3.50.0100.00722.89
8.3.40.0040.01118.70
8.3.30.0070.00718.80
8.3.20.0000.00720.34
8.3.10.0080.00023.53
8.3.00.0080.00019.38
8.2.180.0040.01118.41
8.2.170.0030.01022.96
8.2.160.0030.01220.52
8.2.150.0050.00324.18
8.2.140.0040.00424.66
8.2.130.0040.00426.16
8.2.120.0080.00021.10
8.2.110.0050.00519.24
8.2.100.0050.00517.78
8.2.90.0050.00319.07
8.2.80.0080.00017.97
8.2.70.0090.00017.47
8.2.60.0030.00619.59
8.2.50.0080.00018.16
8.2.40.0030.00522.15
8.2.30.0080.00020.86
8.2.20.0040.00417.49
8.2.10.0040.00417.98
8.2.00.0040.00417.66
8.1.280.0100.00725.92
8.1.270.0060.00323.79
8.1.260.0070.00026.35
8.1.250.0040.00428.09
8.1.240.0060.00322.14
8.1.230.0060.00620.88
8.1.220.0000.00817.74
8.1.210.0000.00818.77
8.1.200.0000.01017.10
8.1.190.0040.00417.53
8.1.180.0040.00418.10
8.1.170.0000.00818.50
8.1.160.0050.00218.81
8.1.150.0040.00418.87
8.1.140.0040.00417.30
8.1.130.0030.00317.77
8.1.120.0050.00217.40
8.1.110.0040.00417.40
8.1.100.0000.00717.46
8.1.90.0030.00317.30
8.1.80.0030.00417.42
8.1.70.0050.00317.30
8.1.60.0040.00417.57
8.1.50.0040.00417.52
8.1.40.0000.00817.51
8.1.30.0080.00017.54
8.1.20.0080.00017.55
8.1.10.0040.00417.49
8.1.00.0080.00017.30
8.0.300.0070.00020.62
8.0.290.0040.00416.63
8.0.280.0030.00318.39
8.0.270.0000.00717.29
8.0.260.0000.00717.17
8.0.250.0070.00016.89
8.0.240.0030.00316.75
8.0.230.0000.00716.85
8.0.220.0030.00316.82
8.0.210.0000.00716.80
8.0.200.0040.00416.88
8.0.190.0000.00716.94
8.0.180.0050.00516.55
8.0.170.0040.00416.79
8.0.160.0000.00716.71
8.0.150.0080.00016.84
8.0.140.0110.00016.73
8.0.130.0060.00013.21
8.0.120.0040.00416.67
8.0.110.0000.00716.77
8.0.100.0070.00016.81
8.0.90.0030.00516.70
8.0.80.0000.01516.70
8.0.70.0040.00416.88
8.0.60.0000.00716.93
8.0.50.0070.00016.66
8.0.30.0110.00817.06
8.0.20.0180.00617.40
8.0.10.0040.00416.96
8.0.00.0100.00816.69
7.4.330.0000.00515.02
7.4.320.0000.00716.40
7.4.300.0070.00016.47
7.4.290.0060.00016.47
7.4.280.0040.00416.57
7.4.270.0030.00316.64
7.4.260.0080.00416.59
7.4.250.0050.00316.45
7.4.240.0020.00516.53
7.4.230.0070.00016.61
7.4.220.0100.01016.64
7.4.210.0030.01016.62
7.4.200.0030.00316.68
7.4.160.0130.00316.57
7.4.150.0130.01017.40
7.4.140.0050.01217.86
7.4.130.0090.00916.49
7.4.120.0130.00516.54
7.4.110.0130.00316.62
7.4.100.0090.00916.48
7.4.90.0130.00316.54
7.4.80.0110.01119.39
7.4.70.0080.00816.61
7.4.60.0100.00716.40
7.4.50.0000.00816.37
7.4.40.0120.00616.59
7.4.30.0120.00916.39
7.4.00.0080.00814.92
7.3.330.0030.00313.01
7.3.320.0000.00513.21
7.3.310.0030.00316.29
7.3.300.0070.00016.10
7.3.290.0070.00716.21
7.3.280.0080.00716.18
7.3.270.0190.00017.40
7.3.260.0070.01016.18
7.3.250.0140.00316.23
7.3.240.0070.01016.25
7.3.230.0100.00716.39
7.3.210.0100.00716.33
7.3.200.0100.01016.58
7.3.190.0090.01216.47
7.3.180.0120.01016.54
7.3.170.0140.00716.31
7.3.160.0090.00616.12
7.3.10.0160.00016.57
7.3.00.0040.00816.49
7.2.330.0180.00416.64
7.2.320.0060.01016.36
7.2.310.0110.00716.38
7.2.300.0070.01416.70
7.2.290.0100.00616.31
7.2.130.0140.01016.30
7.2.120.0070.01016.53
7.2.110.0040.01516.70
7.2.100.0190.00316.41
7.2.90.0200.01016.85
7.2.80.0130.00616.27
7.2.70.0160.00516.59
7.2.60.0070.01316.70
7.2.50.0070.00716.62
7.2.40.0070.01116.72
7.2.30.0150.01216.81
7.2.20.0080.00416.92
7.2.10.0110.01116.80
7.2.00.0150.00518.12
7.1.250.0150.00015.43
7.1.100.0030.00917.96
7.1.70.0030.00616.96
7.1.60.0130.01019.46
7.1.50.0070.01716.77
7.1.00.0030.07722.45
7.0.200.0030.00716.53
7.0.140.0030.07022.01
7.0.60.0100.04019.92
7.0.50.0100.07317.88
7.0.40.0030.04320.23
7.0.30.0230.07320.23
7.0.20.0270.08020.21
7.0.10.0130.08320.30
7.0.00.0130.08020.06
5.6.280.0030.07321.11
5.6.210.0030.04020.73
5.6.200.0070.08018.18
5.6.190.0070.06020.61
5.6.180.0400.07720.63
5.6.170.0230.04020.71
5.6.160.0070.08020.46
5.6.150.0030.08318.18
5.6.140.0100.04318.15
5.6.130.0030.05318.27
5.6.120.0070.09020.95
5.6.110.0170.07320.89
5.6.100.0000.08721.01
5.6.90.0030.08721.00
5.6.80.0070.08020.47
5.5.350.0100.09320.43
5.5.340.0170.07017.95
5.5.330.0100.04320.31
5.5.320.0470.06320.20
5.5.310.0130.07020.25
5.5.300.0000.05717.93
5.5.290.0100.07318.07
5.5.280.0070.07320.66
5.5.270.0130.08320.92
5.5.260.0030.08320.73
5.5.250.0130.07320.78
5.5.240.0170.07720.26
5.4.450.0430.05019.52
5.4.440.0130.04019.54
5.4.430.0130.04319.46
5.4.420.0200.03719.48
5.4.410.0230.03319.07
5.4.400.0630.03719.09
5.4.390.0130.05019.08
5.4.380.0300.06018.74
5.4.370.0570.04318.62
5.4.360.0330.06318.78
5.4.350.0470.05718.52
5.4.340.0370.05718.51
5.4.320.0090.03412.50
5.4.310.0080.03912.50
5.4.300.0040.03812.50
5.4.290.0060.03712.50
5.4.280.0040.03612.40
5.4.270.0060.03512.40
5.4.260.0070.03612.40
5.4.250.0070.03612.40
5.4.240.0100.03312.39
5.4.230.0060.03712.39
5.4.220.0070.04512.39
5.4.210.0080.03312.39
5.4.200.0020.04012.39
5.4.190.0040.03712.39
5.4.180.0050.03612.38
5.4.170.0050.03512.39
5.4.160.0040.03612.39
5.4.150.0040.03712.39
5.4.140.0060.04012.07
5.4.130.0030.03812.06
5.4.120.0080.04612.02
5.4.110.0050.03812.02
5.4.100.0060.03412.01
5.4.90.0060.04012.02
5.4.80.0040.03912.01
5.4.70.0050.03612.01
5.4.60.0070.03212.01
5.4.50.0040.03612.01
5.4.40.0070.03312.00
5.4.30.0050.03512.00
5.4.20.0050.03512.00
5.4.10.0050.03511.99
5.4.00.0060.03411.48
5.3.290.0040.04112.80
5.3.280.0050.03712.71
5.3.270.0060.03912.72
5.3.260.0040.04012.72
5.3.250.0050.03712.72
5.3.240.0060.03612.72
5.3.230.0050.03812.71
5.3.220.0060.03612.68
5.3.210.0060.03812.68
5.3.200.0080.03412.68
5.3.190.0070.03712.68
5.3.180.0070.04012.67
5.3.170.0040.03812.66
5.3.160.0040.03812.67
5.3.150.0080.04712.68
5.3.140.0070.03512.66
5.3.130.0060.03812.66
5.3.120.0070.03812.65
5.3.110.0060.03812.65
5.3.100.0050.03712.12
5.3.90.0060.03512.10
5.3.80.0100.04212.08
5.3.70.0050.03812.09
5.3.60.0060.03612.07
5.3.50.0020.03912.01
5.3.40.0030.03812.02
5.3.30.0040.03811.98
5.3.20.0060.03611.75
5.3.10.0050.03611.73
5.3.00.0090.04311.71
5.2.170.0060.0339.21
5.2.160.0090.0249.21
5.2.150.0070.0279.21
5.2.140.0050.0309.21
5.2.130.0040.0299.16
5.2.120.0040.0289.17
5.2.110.0050.0279.17
5.2.100.0050.0279.17
5.2.90.0030.0309.17
5.2.80.0020.0329.16
5.2.70.0060.0289.16
5.2.60.0060.0289.12
5.2.50.0070.0269.09
5.2.40.0030.0309.07
5.2.30.0010.0329.04
5.2.20.0050.0279.03
5.2.10.0030.0288.94
5.2.00.0040.0298.79
5.1.60.0020.0258.07
5.1.50.0020.0268.07
5.1.40.0050.0238.05
5.1.30.0060.0248.41
5.1.20.0060.0248.43
5.1.10.0050.0248.15
5.1.00.0050.0248.15
5.0.50.0040.0206.63
5.0.40.0030.0196.50
5.0.30.0030.0316.30
5.0.20.0030.0196.28
5.0.10.0050.0186.25
5.0.00.0040.0296.25
4.4.90.0040.0144.78
4.4.80.0020.0164.75
4.4.70.0020.0174.75
4.4.60.0030.0154.75
4.4.50.0020.0164.77
4.4.40.0030.0254.71
4.4.30.0020.0164.76
4.4.20.0010.0174.84
4.4.10.0040.0154.85
4.4.00.0030.0254.76
4.3.110.0030.0164.67
4.3.100.0030.0154.66
4.3.90.0020.0154.63
4.3.80.0010.0264.58
4.3.70.0030.0144.63
4.3.60.0030.0154.63
4.3.50.0050.0254.62
4.3.40.0010.0274.54
4.3.30.0030.0153.30
4.3.20.0040.0143.27
4.3.10.0030.0153.24
4.3.00.0130.01714.87

preferences:
44.77 ms | 401 KiB | 5 Q