3v4l.org

run code in 300+ PHP versions simultaneously
<?php $heading = '0yzz'; echo ++$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)
8.3.40.0070.00718.57
8.3.30.0100.01018.96
8.3.20.0000.00720.22
8.3.10.0070.00023.71
8.3.00.0050.00319.56
8.2.170.0120.00322.96
8.2.160.0140.00021.95
8.2.150.0040.00424.18
8.2.140.0080.00024.66
8.2.130.0040.00426.16
8.2.120.0030.00620.98
8.2.110.0080.00022.25
8.2.100.0090.00318.03
8.2.90.0040.00419.21
8.2.80.0060.00317.97
8.2.70.0000.00817.63
8.2.60.0000.00717.93
8.2.50.0000.00818.07
8.2.40.0040.00418.28
8.2.30.0080.00018.30
8.2.20.0050.00217.78
8.2.10.0040.00417.98
8.2.00.0000.00717.71
8.1.270.0090.00023.84
8.1.260.0040.00426.35
8.1.250.0070.00028.09
8.1.240.0070.00318.95
8.1.230.0110.00018.98
8.1.220.0000.00717.78
8.1.210.0000.00818.77
8.1.200.0040.00417.10
8.1.190.0080.00017.00
8.1.180.0000.00818.10
8.1.170.0040.00418.53
8.1.160.0000.00721.91
8.1.150.0050.00318.77
8.1.140.0000.00817.43
8.1.130.0030.00317.70
8.1.120.0000.01017.42
8.1.110.0040.00417.29
8.1.100.0070.00017.37
8.1.90.0030.00317.39
8.1.80.0030.00317.41
8.1.70.0050.00317.39
8.1.60.0030.00617.57
8.1.50.0080.00017.34
8.1.40.0040.00417.43
8.1.30.0030.00617.48
8.1.20.0060.00317.57
8.1.10.0000.00717.49
8.1.00.0030.00717.35
8.0.300.0030.00518.77
8.0.290.0070.00016.63
8.0.280.0030.00318.30
8.0.270.0030.00317.23
8.0.260.0030.00317.13
8.0.250.0000.00716.91
8.0.240.0000.00816.96
8.0.230.0000.00716.87
8.0.220.0000.00616.81
8.0.210.0030.00316.70
8.0.200.0040.00416.77
8.0.190.0080.00016.87
8.0.180.0000.01016.85
8.0.170.0050.00316.81
8.0.160.0000.00716.78
8.0.150.0000.00816.64
8.0.140.0050.00716.66
8.0.130.0050.00013.23
8.0.120.0040.00416.68
8.0.110.0020.00516.85
8.0.100.0060.00316.85
8.0.90.0070.00016.69
8.0.80.0180.00416.83
8.0.70.0000.00716.73
8.0.60.0070.00016.70
8.0.50.0000.00916.85
8.0.30.0100.01017.08
8.0.20.0110.00817.40
8.0.10.0050.00216.79
8.0.00.0110.00516.74
7.4.330.0060.00015.02
7.4.320.0040.00416.45
7.4.300.0030.00316.57
7.4.290.0000.00716.43
7.4.280.0040.00416.50
7.4.270.0070.00016.54
7.4.260.0040.00716.40
7.4.250.0030.00516.30
7.4.240.0030.00316.46
7.4.230.0060.00016.43
7.4.220.0110.01316.47
7.4.210.0080.00616.53
7.4.200.0000.00716.34
7.4.160.0090.00616.51
7.4.150.0170.00717.40
7.4.140.0110.00917.86
7.4.130.0110.00616.40
7.4.120.0100.00616.39
7.4.110.0060.01316.44
7.4.100.0110.01116.25
7.4.90.0040.01416.52
7.4.80.0060.01519.39
7.4.70.0070.01016.42
7.4.60.0080.00816.49
7.4.50.0000.00816.51
7.4.40.0100.00716.28
7.4.30.0030.01316.35
7.4.00.0040.01114.80
7.3.330.0060.00012.93
7.3.320.0050.00013.03
7.3.310.0000.00716.05
7.3.300.0030.00316.18
7.3.290.0000.01416.28
7.3.280.0090.00916.21
7.3.270.0110.00617.40
7.3.260.0030.01416.25
7.3.250.0100.00616.31
7.3.240.0070.01016.21
7.3.230.0170.00016.39
7.3.210.0080.00816.27
7.3.200.0120.00916.31
7.3.190.0120.00716.35
7.3.180.0130.00316.20
7.3.170.0060.00916.61
7.3.160.0120.00316.29
7.3.120.0080.00614.74
7.2.330.0150.00616.59
7.2.320.0090.01216.55
7.2.310.0060.01216.64
7.2.300.0090.00916.64
7.2.290.0000.01516.45
7.2.00.0040.00819.07
7.1.100.0000.01217.52
7.1.70.0000.00816.98
7.1.60.0140.01119.70
7.1.50.0160.00616.76
7.1.00.0100.07022.36
7.0.200.0240.00314.79
7.0.140.0070.07022.08
7.0.60.0230.07019.89
7.0.50.0170.05717.90
7.0.40.0070.06719.98
7.0.30.0430.05020.02
7.0.20.0170.05020.18
7.0.10.0030.09320.01
7.0.00.0030.06020.18
5.6.280.0070.07021.14
5.6.210.0070.07020.47
5.6.200.0130.05018.18
5.6.190.0030.05020.77
5.6.180.3030.04020.45
5.6.170.0300.07320.61
5.6.160.0030.08320.41
5.6.150.0030.05718.16
5.6.140.0070.08318.09
5.6.130.0070.08018.18
5.6.120.0070.04021.11
5.6.110.0070.09321.13
5.6.100.0100.08020.88
5.6.90.0170.08020.97
5.6.80.0100.08020.34
5.6.70.0400.06720.37
5.5.350.0230.07720.51
5.5.340.0030.03717.98
5.5.330.0000.04720.19
5.5.320.0300.04020.51
5.5.310.0230.04320.27
5.5.300.0070.08317.92
5.5.290.0170.07318.00
5.5.280.0070.08320.73
5.5.270.0170.07320.79
5.5.260.0170.07720.83
5.5.250.0070.04320.49
5.5.240.0230.05320.03
5.4.450.1030.04319.45
5.4.440.0800.06319.09
5.4.430.0870.05719.46
5.4.420.0130.05019.36
5.4.410.0830.05719.35
5.4.400.0830.05019.26
5.4.390.0030.06019.14
5.4.380.0100.05718.70
5.4.370.0170.05018.66
5.4.360.0200.06318.68
5.4.350.0130.05318.68
5.4.340.0170.05018.57
5.4.320.0060.03812.45
5.4.310.0090.04312.45
5.4.300.0050.03812.45
5.4.290.0070.03612.45
5.4.280.0040.03712.34
5.4.270.0050.04612.35
5.4.260.0050.03912.34
5.4.250.0060.04212.34
5.4.240.0080.03812.34
5.4.230.0020.04312.34
5.4.220.0080.03712.34
5.4.210.0060.03912.34
5.4.200.0050.04112.34
5.4.190.0050.03712.33
5.4.180.0040.03812.33
5.4.170.0060.03512.35
5.4.160.0060.03412.34
5.4.150.0070.03412.34
5.4.140.0070.03512.02
5.4.130.0060.03312.01
5.4.120.0030.03711.97
5.4.110.0060.04111.96
5.4.100.0060.03511.96
5.4.90.0070.03511.96
5.4.80.0060.04011.96
5.4.70.0050.03411.96
5.4.60.0070.04011.96
5.4.50.0050.03411.96
5.4.40.0060.03311.95
5.4.30.0100.03611.95
5.4.20.0060.03411.95
5.4.10.0040.03711.94
5.4.00.0050.03711.44
5.3.290.0060.03812.80
5.3.280.0080.04112.71
5.3.270.0090.04212.72
5.3.260.0050.04112.72
5.3.250.0080.03912.72
5.3.240.0060.03712.72
5.3.230.0070.03712.71
5.3.220.0050.03912.68
5.3.210.0040.04112.68
5.3.200.0050.03812.68
5.3.190.0070.03712.68
5.3.180.0080.03412.68
5.3.170.0110.03112.67
5.3.160.0080.04312.68
5.3.150.0060.03912.67
5.3.140.0090.03412.66
5.3.130.0050.03912.66
5.3.120.0070.03912.66
5.3.110.0060.03812.65
5.3.100.0050.03712.12
5.3.90.0040.03712.08
5.3.80.0070.03412.08
5.3.70.0070.03512.07
5.3.60.0050.03612.06
5.3.50.0050.04012.00
5.3.40.0030.03812.00
5.3.30.0060.03411.94
5.3.20.0060.03411.72
5.3.10.0050.03511.69
5.3.00.0040.03611.67
5.2.170.0030.0319.17
5.2.160.0030.0319.18
5.2.150.0060.0299.18
5.2.140.0060.0319.17
5.2.130.0060.0269.13
5.2.120.0050.0279.13
5.2.110.0080.0339.14
5.2.100.0030.0309.13
5.2.90.0070.0329.13
5.2.80.0050.0339.13
5.2.70.0030.0379.13
5.2.60.0040.0319.09
5.2.50.0040.0369.05
5.2.40.0070.0299.03
5.2.30.0060.0299.00
5.2.20.0080.0259.00
5.2.10.0050.0288.91
5.2.00.0020.0328.77
5.1.60.0050.0238.05
5.1.50.0050.0248.05
5.1.40.0050.0248.04
5.1.30.0030.0278.39
5.1.20.0050.0268.41
5.1.10.0060.0248.13
5.1.00.0030.0278.13
5.0.50.0020.0276.61
5.0.40.0040.0196.47
5.0.30.0050.0316.28
5.0.20.0040.0206.26
5.0.10.0030.0206.24
5.0.00.0020.0326.23
4.4.90.0030.0164.78
4.4.80.0050.0134.76
4.4.70.0030.0154.76
4.4.60.0020.0224.75
4.4.50.0010.0194.77
4.4.40.0020.0264.71
4.4.30.0010.0174.76
4.4.20.0020.0164.84
4.4.10.0040.0154.85
4.4.00.0060.0234.76
4.3.110.0020.0174.67
4.3.100.0030.0144.67
4.3.90.0040.0154.63
4.3.80.0060.0234.59
4.3.70.0020.0154.63
4.3.60.0030.0154.63
4.3.50.0030.0154.63
4.3.40.0030.0234.54
4.3.30.0020.0153.29
4.3.20.0010.0163.26
4.3.10.0000.0253.22
4.3.00.0200.0206.99

preferences:
35.76 ms | 400 KiB | 5 Q