3v4l.org

run code in 300+ PHP versions simultaneously
<?php $heading = 't2t'; echo ++$heading;

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)
8.3.40.0110.00318.49
8.3.30.0000.01518.96
8.3.20.0050.00220.15
8.3.10.0000.00821.64
8.3.00.0000.00917.25
8.2.170.0000.01422.96
8.2.160.0080.00620.35
8.2.150.0060.00324.18
8.2.140.0040.00424.66
8.2.130.0040.00426.16
8.2.120.0070.00020.90
8.2.110.0040.00420.52
8.2.100.0000.01117.91
8.2.90.0000.00719.09
8.2.80.0050.00317.97
8.2.70.0060.00317.63
8.2.60.0030.00517.93
8.2.50.0050.00318.07
8.2.40.0000.00818.34
8.2.30.0000.00918.09
8.2.20.0000.00717.73
8.2.10.0080.00018.03
8.2.00.0050.00217.71
8.1.270.0000.00823.96
8.1.260.0000.00726.35
8.1.250.0050.00328.09
8.1.240.0030.00623.84
8.1.230.0080.00317.42
8.1.220.0000.00817.74
8.1.210.0040.00418.77
8.1.200.0060.00317.23
8.1.190.0050.00317.10
8.1.180.0000.00818.10
8.1.170.0040.00418.59
8.1.160.0080.00021.95
8.1.150.0040.00418.85
8.1.140.0070.00017.38
8.1.130.0030.00317.73
8.1.120.0050.00217.29
8.1.110.0000.00717.40
8.1.100.0000.00717.28
8.1.90.0040.00417.31
8.1.80.0000.00717.23
8.1.70.0030.00317.33
8.1.60.0060.00317.47
8.1.50.0050.00317.35
8.1.40.0040.00417.29
8.1.30.0000.00817.48
8.1.20.0000.00717.48
8.1.10.0000.00717.48
8.1.00.0040.00417.45
8.0.300.0000.00818.77
8.0.290.0000.00816.75
8.0.280.0000.00718.45
8.0.270.0000.00717.25
8.0.260.0040.00417.20
8.0.250.0030.00316.84
8.0.240.0070.00016.92
8.0.230.0000.00716.77
8.0.220.0000.00716.81
8.0.210.0000.00716.70
8.0.200.0100.00016.77
8.0.190.0040.00416.78
8.0.180.0050.00216.74
8.0.170.0000.00816.73
8.0.160.0020.00516.88
8.0.150.0000.00716.71
8.0.140.0000.00816.85
8.0.130.0040.00413.32
8.0.120.0080.00016.77
8.0.110.0040.00416.73
8.0.100.0000.00716.70
8.0.90.0000.00716.89
8.0.80.0030.01616.81
8.0.70.0050.00216.93
8.0.60.0000.00716.81
8.0.50.0030.00516.93
8.0.30.0080.01017.08
8.0.20.0150.00717.40
8.0.10.0070.00016.89
8.0.00.0160.00516.65
7.4.330.0020.00215.09
7.4.320.0000.00616.40
7.4.300.0040.00416.45
7.4.290.0000.00616.33
7.4.280.0040.00416.57
7.4.270.0070.00016.46
7.4.260.0030.00316.52
7.4.250.0000.00816.29
7.4.240.0030.00316.41
7.4.230.0070.00016.35
7.4.220.0100.00716.37
7.4.210.0040.01116.57
7.4.200.0030.00316.50
7.4.160.0070.00716.47
7.4.150.0070.01817.40
7.4.140.0120.00717.86
7.4.130.0090.00916.31
7.4.120.0140.00916.46
7.4.110.0120.00616.51
7.4.100.0090.01116.24
7.4.90.0130.00316.56
7.4.80.0030.01519.39
7.4.70.0040.01316.35
7.4.60.0030.01416.49
7.4.50.0090.00016.30
7.4.40.0030.01316.39
7.4.30.0030.01316.27
7.4.00.0160.00014.74
7.3.330.0000.00513.12
7.3.320.0000.00613.03
7.3.310.0040.00416.25
7.3.300.0000.00716.09
7.3.290.0120.00416.16
7.3.280.0070.01116.19
7.3.270.0100.00717.40
7.3.260.0060.01216.43
7.3.250.0130.00316.36
7.3.240.0130.00316.29
7.3.230.0030.01216.39
7.3.210.0100.00716.55
7.3.200.0100.01319.39
7.3.190.0120.00916.43
7.3.180.0060.00916.50
7.3.170.0090.01216.27
7.3.160.0090.00616.28
7.3.10.0000.01316.29
7.3.00.0110.00316.36
7.2.330.0110.00516.57
7.2.320.0070.01016.57
7.2.310.0080.00816.34
7.2.300.0080.01216.52
7.2.290.0040.01216.64
7.2.130.0060.00916.92
7.2.120.0090.00016.86
7.2.110.0000.01416.81
7.2.100.0050.00916.72
7.2.90.0000.01516.73
7.2.80.0060.00316.72
7.2.70.0030.01016.59
7.2.60.0060.00816.94
7.2.50.0090.00016.91
7.2.40.0000.01716.91
7.2.30.0070.01016.80
7.2.20.0060.00816.51
7.2.10.0120.00016.77
7.2.00.0060.01216.63
7.1.250.0040.00415.46
7.1.100.0040.01117.59
7.1.70.0000.01516.63
7.1.60.0150.00919.40
7.1.50.0200.00916.85
7.1.00.0000.08022.43
7.0.200.0000.00916.62
7.0.140.0000.07721.97
7.0.60.0130.06319.91
7.0.50.0030.07017.80
7.0.40.0070.09020.20
7.0.30.0530.04720.01
7.0.20.0200.05320.23
7.0.10.0270.08020.12
7.0.00.0070.04320.19
5.6.280.0070.07021.12
5.6.210.0070.03720.47
5.6.200.0000.06718.17
5.6.190.0030.08720.43
5.6.180.0230.07020.36
5.6.170.0330.06720.40
5.6.160.0070.04020.37
5.6.150.0070.03718.15
5.6.140.0000.04018.16
5.6.130.0030.05318.15
5.6.120.0170.06021.00
5.6.110.0170.08020.97
5.6.100.0170.03721.00
5.6.90.0130.08321.07
5.6.80.0030.08320.36
5.6.70.3800.03720.37
5.5.350.0100.08020.41
5.5.340.0130.07318.02
5.5.330.0070.08320.40
5.5.320.0400.07020.28
5.5.310.0270.03720.30
5.5.300.0170.06717.89
5.5.290.0000.08317.89
5.5.280.0030.05020.80
5.5.270.0000.09020.96
5.5.260.0030.08320.88
5.5.250.0000.08720.44
5.5.240.0200.05020.18
5.4.450.0270.04319.15
5.4.440.0300.03319.57
5.4.430.0170.05019.31
5.4.420.0300.03719.54
5.4.410.0570.03019.32
5.4.400.0270.03719.14
5.4.390.0030.05019.06
5.4.380.1070.06718.59
5.4.370.0170.05018.52
5.4.360.0200.05718.68
5.4.350.0270.06718.60
5.4.340.0170.06318.71
5.4.320.0090.03612.45
5.4.310.0060.03712.45
5.4.300.0090.03312.45
5.4.290.0090.03312.45
5.4.280.0090.03212.34
5.4.270.0050.04012.35
5.4.260.0030.04012.34
5.4.250.0060.03712.34
5.4.240.0060.03912.35
5.4.230.0090.03412.34
5.4.220.0060.03512.34
5.4.210.0090.03912.34
5.4.200.0070.03912.34
5.4.190.0060.03612.33
5.4.180.0110.03012.33
5.4.170.0050.04112.35
5.4.160.0090.03712.34
5.4.150.0070.04112.34
5.4.140.0030.04012.02
5.4.130.0050.03712.01
5.4.120.0040.03711.96
5.4.110.0100.03211.96
5.4.100.0060.03411.96
5.4.90.0050.03711.96
5.4.80.0060.04011.96
5.4.70.0060.03711.96
5.4.60.0060.03511.96
5.4.50.0070.03511.96
5.4.40.0060.03511.95
5.4.30.0060.03611.95
5.4.20.0030.03911.95
5.4.10.0030.03711.95
5.4.00.0050.03711.44
5.3.290.0100.04712.80
5.3.280.0050.04012.71
5.3.270.0060.03912.72
5.3.260.0080.03912.72
5.3.250.0080.03712.72
5.3.240.0060.03812.71
5.3.230.0100.03912.71
5.3.220.0080.03912.68
5.3.210.0060.03912.68
5.3.200.0090.03312.68
5.3.190.0070.03612.68
5.3.180.0030.04012.68
5.3.170.0070.03512.67
5.3.160.0090.03412.67
5.3.150.0080.03612.68
5.3.140.0060.04112.66
5.3.130.0110.03412.66
5.3.120.0050.03912.66
5.3.110.0040.04012.66
5.3.100.0070.03812.12
5.3.90.0060.03712.09
5.3.80.0070.03612.08
5.3.70.0060.03712.08
5.3.60.0120.04012.06
5.3.50.0080.03412.00
5.3.40.0090.03412.00
5.3.30.0060.03711.94
5.3.20.0090.03711.72
5.3.10.0060.03611.69
5.3.00.0110.04611.68
5.2.170.0080.0369.17
5.2.160.0060.0289.17
5.2.150.0070.0329.17
5.2.140.0040.0309.17
5.2.130.0060.0309.13
5.2.120.0060.0289.13
5.2.110.0080.0259.14
5.2.100.0030.0349.13
5.2.90.0040.0359.13
5.2.80.0070.0279.13
5.2.70.0090.0259.13
5.2.60.0080.0269.08
5.2.50.0030.0379.05
5.2.40.0030.0329.03
5.2.30.0050.0289.00
5.2.20.0040.0288.99
5.2.10.0050.0338.91
5.2.00.0070.0288.77
5.1.60.0040.0248.06
5.1.50.0060.0228.05
5.1.40.0020.0268.04
5.1.30.0070.0228.39
5.1.20.0060.0248.41
5.1.10.0020.0288.13
5.1.00.0030.0268.13
5.0.50.0050.0196.61
5.0.40.0040.0216.47
5.0.30.0010.0336.29
5.0.20.0030.0236.26
5.0.10.0050.0196.23
5.0.00.0030.0306.23
4.4.90.0020.0164.78
4.4.80.0030.0154.76
4.4.70.0030.0164.75
4.4.60.0010.0174.75
4.4.50.0020.0154.77
4.4.40.0050.0224.70
4.4.30.0030.0164.76
4.4.20.0040.0154.85
4.4.10.0020.0184.85
4.4.00.0030.0244.76
4.3.110.0040.0204.67
4.3.100.0030.0144.67
4.3.90.0040.0204.64
4.3.80.0040.0274.59
4.3.70.0040.0134.63
4.3.60.0040.0134.63
4.3.50.0030.0194.62
4.3.40.0040.0224.54
4.3.30.0010.0173.28
4.3.20.0010.0173.27
4.3.10.0020.0153.23
4.3.00.0030.01715.90

preferences:
44.01 ms | 400 KiB | 5 Q