3v4l.org

run code in 300+ PHP versions simultaneously
<?php $heading = 'h2'; echo $heading++;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)
8.3.40.0080.01118.77
8.3.30.0070.00718.99
8.3.20.0070.00720.14
8.3.10.0050.00221.82
8.3.00.0060.00319.23
8.2.170.0130.00622.96
8.2.160.0060.01320.57
8.2.150.0100.01024.18
8.2.140.0080.00024.66
8.2.130.0080.00026.16
8.2.120.0070.01121.00
8.2.110.0100.00022.24
8.2.100.0040.00818.09
8.2.90.0040.00419.21
8.2.80.0000.00817.97
8.2.70.0040.00417.48
8.2.60.0040.00417.93
8.2.50.0040.00418.07
8.2.40.0000.00818.17
8.2.30.0050.00318.11
8.2.20.0040.00417.65
8.2.10.0000.00717.97
8.2.00.0040.00417.54
8.1.270.0100.00323.92
8.1.260.0100.00326.35
8.1.250.0000.00728.09
8.1.240.0000.00823.83
8.1.230.0110.00018.91
8.1.220.0000.00817.74
8.1.210.0030.00718.77
8.1.200.0030.00617.35
8.1.190.0000.00917.23
8.1.180.0040.00418.10
8.1.170.0000.00818.61
8.1.160.0040.00421.93
8.1.150.0030.00318.79
8.1.140.0000.00717.34
8.1.130.0030.00317.81
8.1.120.0040.00417.29
8.1.110.0030.00517.41
8.1.100.0030.00317.36
8.1.90.0020.00517.31
8.1.80.0030.00517.44
8.1.70.0070.00017.23
8.1.60.0000.00917.41
8.1.50.0040.00417.33
8.1.40.0060.00317.43
8.1.30.0060.00317.59
8.1.20.0080.00017.56
8.1.10.0070.00017.37
8.1.00.0020.00517.31
8.0.300.0040.00418.77
8.0.290.0050.00316.63
8.0.280.0030.00318.48
8.0.270.0000.00717.16
8.0.260.0060.00017.12
8.0.250.0030.00316.86
8.0.240.0000.00716.98
8.0.230.0000.00816.75
8.0.220.0000.00716.81
8.0.210.0030.00316.80
8.0.200.0000.00616.87
8.0.190.0000.00716.93
8.0.180.0000.00716.74
8.0.170.0000.00716.85
8.0.160.0000.00716.77
8.0.150.0030.00316.73
8.0.140.0080.00016.66
8.0.130.0050.00313.21
8.0.120.0040.00416.75
8.0.110.0040.00416.86
8.0.100.0070.00016.82
8.0.90.0030.00316.86
8.0.80.0080.01216.87
8.0.70.0040.00416.75
8.0.60.0070.00016.81
8.0.50.0040.00416.69
8.0.30.0050.01417.04
8.0.20.0110.01017.40
8.0.10.0000.00716.91
8.0.00.0130.00616.60
7.4.330.0040.00015.07
7.4.320.0000.00616.45
7.4.300.0070.00016.44
7.4.290.0040.00416.40
7.4.280.0030.00316.55
7.4.270.0000.00716.50
7.4.260.0040.00416.49
7.4.250.0040.00416.38
7.4.240.0050.00316.44
7.4.230.0000.00716.40
7.4.220.0110.00716.41
7.4.210.0060.00916.35
7.4.200.0040.00416.60
7.4.160.0080.00816.58
7.4.150.0170.00017.40
7.4.140.0110.00817.86
7.4.130.0100.00716.35
7.4.120.0130.00516.47
7.4.110.0090.00916.43
7.4.100.0090.00916.38
7.4.90.0070.01016.50
7.4.80.0040.01419.39
7.4.70.0130.00516.41
7.4.60.0060.01016.51
7.4.50.0060.00316.49
7.4.40.0070.01016.53
7.4.30.0030.01216.54
7.4.00.0030.00914.90
7.3.330.0030.00313.16
7.3.320.0020.00213.16
7.3.310.0050.00216.32
7.3.300.0030.00316.36
7.3.290.0040.01116.24
7.3.280.0080.00816.22
7.3.270.0080.01117.40
7.3.260.0090.01516.54
7.3.250.0060.01116.39
7.3.240.0100.00716.23
7.3.230.0060.01016.40
7.3.210.0140.00616.51
7.3.200.0060.01319.39
7.3.190.0120.00916.42
7.3.180.0100.01016.63
7.3.170.0030.01316.70
7.3.160.0030.01216.25
7.2.330.0040.01416.54
7.2.320.0070.01016.64
7.2.310.0030.01216.37
7.2.300.0030.01216.30
7.2.290.0080.00816.40
7.2.00.0070.00719.19
7.1.200.0130.00015.70
7.1.100.0090.00418.05
7.1.70.0070.00716.98
7.1.60.0090.01519.40
7.1.50.0110.01116.50
7.1.00.0000.08022.38
7.0.200.0030.00616.88
7.0.140.0030.07321.99
7.0.60.0100.07019.90
7.0.50.0030.05717.80
7.0.40.0070.06720.21
7.0.30.0270.06720.18
7.0.20.0230.03320.02
7.0.10.0000.04720.30
7.0.00.0070.04320.16
5.6.280.0030.07021.09
5.6.210.0170.06320.50
5.6.200.0000.05718.12
5.6.190.0000.04720.45
5.6.180.0170.05020.35
5.6.170.0170.06020.42
5.6.160.0000.06320.49
5.6.150.0070.08018.09
5.6.140.0070.06318.25
5.6.130.0030.05018.09
5.6.120.0100.08020.73
5.6.110.0100.07321.02
5.6.100.0230.07020.85
5.6.90.0230.07020.96
5.6.80.0100.07720.38
5.5.350.0270.07720.40
5.5.340.0030.03717.96
5.5.330.0100.07320.47
5.5.320.0300.07720.13
5.5.310.0400.06720.29
5.5.300.0030.04017.88
5.5.290.0030.05317.90
5.5.280.0070.08020.79
5.5.270.0030.08320.74
5.5.260.0100.08320.75
5.5.250.0070.03720.69
5.5.240.0170.07020.36
5.4.450.0130.03319.39
5.4.440.0230.05019.41
5.4.430.0200.04319.42
5.4.420.0330.03019.09
5.4.410.0300.03719.31
5.4.400.0170.04319.09
5.4.390.0000.05018.78
5.4.380.0200.06318.59
5.4.370.0400.05718.64
5.4.360.0430.06018.50
5.4.350.0330.05318.50
5.4.340.0300.06018.72
5.4.320.0060.03712.45
5.4.310.0060.04212.45
5.4.300.0100.03712.45
5.4.290.0110.04112.45
5.4.280.0040.04112.35
5.4.270.0080.03912.35
5.4.260.0080.04412.35
5.4.250.0040.04312.34
5.4.240.0090.04712.34
5.4.230.0050.04512.34
5.4.220.0100.04612.34
5.4.210.0060.06712.34
5.4.200.0060.04812.34
5.4.190.0070.03912.33
5.4.180.0050.03812.34
5.4.170.0080.03512.35
5.4.160.0080.03712.34
5.4.150.0050.03712.34
5.4.140.0070.03712.02
5.4.130.0090.03712.01
5.4.120.0050.03911.97
5.4.110.0080.04811.96
5.4.100.0070.04211.96
5.4.90.0070.04311.96
5.4.80.0060.04411.96
5.4.70.0050.04411.96
5.4.60.0060.04211.96
5.4.50.0070.03511.96
5.4.40.0070.03411.95
5.4.30.0050.03711.95
5.4.20.0110.03711.94
5.4.10.0050.03711.95
5.4.00.0090.03611.43
5.3.290.0050.04412.80
5.3.280.0030.04312.71
5.3.270.0070.04012.73
5.3.260.0060.04012.72
5.3.250.0030.04512.72
5.3.240.0070.04412.72
5.3.230.0080.04512.70
5.3.220.0040.05612.68
5.3.210.0100.04612.68
5.3.200.0100.04112.68
5.3.190.0050.04212.68
5.3.180.0070.03712.67
5.3.170.0070.03712.67
5.3.160.0070.04012.68
5.3.150.0080.04012.67
5.3.140.0070.04012.66
5.3.130.0100.03912.65
5.3.120.0050.04812.66
5.3.110.0100.04412.66
5.3.100.0080.03812.12
5.3.90.0110.04712.08
5.3.80.0090.03712.07
5.3.70.0070.04912.07
5.3.60.0090.04612.06
5.3.50.0070.03812.00
5.3.40.0060.03812.00
5.3.30.0060.03811.94
5.3.20.0060.03611.72
5.3.10.0090.04111.69
5.3.00.0050.03711.68
5.2.170.0090.0269.17
5.2.160.0040.0369.17
5.2.150.0030.0349.18
5.2.140.0050.0329.17
5.2.130.0070.0399.13
5.2.120.0090.0379.13
5.2.110.0060.0399.14
5.2.100.0040.0359.14
5.2.90.0070.0379.13
5.2.80.0070.0409.13
5.2.70.0050.0339.13
5.2.60.0050.0339.09
5.2.50.0030.0379.05
5.2.40.0080.0309.03
5.2.30.0070.0319.00
5.2.20.0060.0318.99
5.2.10.0020.0338.92
5.2.00.0070.0288.77
5.1.60.0080.0248.05
5.1.50.0060.0288.05
5.1.40.0050.0258.04
5.1.30.0020.0318.39
5.1.20.0060.0288.41
5.1.10.0180.0478.13
5.1.00.0050.0288.13
5.0.50.0080.0206.61
5.0.40.0030.0256.47
5.0.30.0050.0356.28
5.0.20.0040.0216.26
5.0.10.0040.0216.23
5.0.00.0020.0416.23
4.4.90.0010.0244.78
4.4.80.0020.0164.76
4.4.70.0050.0204.76
4.4.60.0050.0184.75
4.4.50.0020.0184.77
4.4.40.0040.0274.71
4.4.30.0040.0174.76
4.4.20.0040.0174.85
4.4.10.0020.0194.85
4.4.00.0030.0294.76
4.3.110.0020.0184.67
4.3.100.0040.0174.67
4.3.90.0050.0154.63
4.3.80.0040.0274.59
4.3.70.0030.0154.63
4.3.60.0040.0144.62
4.3.50.0010.0184.63
4.3.40.0030.0304.54
4.3.30.0010.0203.29
4.3.20.0020.0193.26
4.3.10.0010.0173.22
4.3.00.0000.01315.90

preferences:
42.76 ms | 400 KiB | 5 Q