3v4l.org

run code in 300+ PHP versions simultaneously
<?php $BaseID = '1234567890'; $BaseIDHex = dechex($BaseID); $BaseIDHex = strrev($BaseIDHex); echo $BaseIDHex;

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)
8.3.40.0160.00318.58
8.3.30.0070.00719.05
8.3.20.0070.00020.23
8.3.10.0030.00622.09
8.3.00.0000.01022.29
8.2.170.0140.00322.96
8.2.160.0090.00620.95
8.2.150.0080.00024.18
8.2.140.0050.00324.66
8.2.130.0060.00326.16
8.2.120.0080.00017.50
8.2.110.0000.00922.29
8.2.100.0080.00419.45
8.2.90.0040.00419.22
8.2.80.0090.00018.03
8.2.70.0040.00417.50
8.2.60.0000.00817.93
8.2.50.0050.00318.07
8.2.40.0040.00418.22
8.2.30.0000.00718.05
8.2.20.0050.00217.64
8.2.10.0050.00319.47
8.2.00.0040.00417.64
8.1.270.0000.00723.91
8.1.260.0040.00426.35
8.1.250.0080.00028.09
8.1.240.0030.00623.90
8.1.230.0030.00919.16
8.1.220.0000.00817.80
8.1.210.0030.00618.77
8.1.200.0090.00017.25
8.1.190.0060.00317.18
8.1.180.0060.00318.10
8.1.170.0060.00318.53
8.1.160.0040.00421.93
8.1.150.0050.00218.67
8.1.140.0040.00417.29
8.1.130.0030.00317.74
8.1.120.0000.00717.23
8.1.110.0020.00517.28
8.1.100.0040.00417.30
8.1.90.0040.00417.27
8.1.80.0000.00717.39
8.1.70.0000.00717.31
8.1.60.0040.00417.52
8.1.50.0000.00717.35
8.1.40.0060.00317.46
8.1.30.0080.00317.54
8.1.20.0050.00517.57
8.1.10.0000.00817.38
8.1.00.0040.00417.31
8.0.300.0040.00418.77
8.0.290.0040.00417.16
8.0.280.0070.00318.38
8.0.270.0070.00017.29
8.0.260.0070.00416.82
8.0.250.0030.00316.99
8.0.240.0070.00016.82
8.0.230.0030.00316.89
8.0.220.0030.00316.68
8.0.210.0060.00016.85
8.0.200.0060.00016.87
8.0.190.0040.00416.91
8.0.180.0040.00416.71
8.0.170.0030.00516.89
8.0.160.0000.00716.84
8.0.150.0040.00416.81
8.0.140.0030.00416.77
8.0.130.0000.00613.21
8.0.120.0070.00016.72
8.0.110.0040.00416.81
8.0.100.0040.00416.65
8.0.90.0000.00816.81
8.0.80.0130.00616.85
8.0.70.0040.00416.85
8.0.60.0000.00716.70
8.0.50.0040.00416.81
8.0.30.0060.01216.92
8.0.20.0120.01017.40
8.0.10.0000.00816.76
8.0.00.0100.00816.69
7.4.330.0020.00215.00
7.4.320.0030.00316.44
7.4.300.0000.00816.42
7.4.290.0030.00316.42
7.4.280.0000.00616.56
7.4.270.0030.00316.45
7.4.260.0030.00316.52
7.4.250.0050.00216.30
7.4.240.0040.00416.52
7.4.230.0030.00316.60
7.4.220.0070.01116.52
7.4.210.0050.00916.40
7.4.200.0000.00716.63
7.4.190.0000.00716.50
7.4.160.0040.01416.45
7.4.150.0150.00317.40
7.4.140.0120.01017.86
7.4.130.0120.00716.45
7.4.120.0130.00316.45
7.4.110.0060.00916.47
7.4.100.0100.00716.34
7.4.90.0060.01116.49
7.4.80.0110.00819.39
7.4.70.0060.01216.59
7.4.60.0160.00316.34
7.4.50.0000.00816.40
7.4.40.0040.01422.77
7.4.30.0060.01116.52
7.4.00.0120.00315.00
7.3.330.0030.00313.10
7.3.320.0030.00313.04
7.3.310.0050.00216.26
7.3.300.0000.00716.18
7.3.290.0070.00716.22
7.3.280.0070.00816.21
7.3.270.0140.00417.40
7.3.260.0120.00616.08
7.3.250.0150.00516.15
7.3.240.0090.00916.19
7.3.230.0060.01016.39
7.3.210.0120.00616.25
7.3.200.0120.00919.39
7.3.190.0090.01316.27
7.3.180.0030.01216.23
7.3.170.0100.00616.39
7.3.160.0090.00616.24
7.3.120.0040.00714.46
7.2.330.0080.00916.73
7.2.320.0070.01116.34
7.2.310.0040.01216.52
7.2.300.0060.01016.56
7.2.290.0140.00616.69
7.2.60.0060.00916.93
7.2.00.0090.00619.14
7.1.200.0030.00815.48
7.1.100.0030.00918.23
7.1.70.0120.00617.04
7.1.60.0140.01119.82
7.1.50.0080.00316.96
7.1.00.0030.07722.27
7.0.200.0030.00516.44
7.0.140.0000.07721.97
7.0.60.0000.04719.97
7.0.50.0030.04017.80
7.0.40.0100.08020.04
7.0.30.0170.05320.34
7.0.20.0230.05720.33
7.0.10.0130.07320.04
7.0.00.0070.08020.00
5.6.280.0000.07720.86
5.6.210.0130.07020.50
5.6.200.0030.08018.17
5.6.190.0030.04720.49
5.6.180.0100.07720.35
5.6.170.0230.08020.62
5.6.160.0100.07720.50
5.6.150.0030.04318.21
5.6.140.0170.07318.18
5.6.130.0030.07318.18
5.6.120.0170.06321.02
5.6.110.0000.04721.10
5.6.100.0130.08320.97
5.6.90.0170.07720.96
5.6.80.0070.08020.43
5.5.350.0030.06720.35
5.5.340.0070.08717.95
5.5.330.0030.04020.46
5.5.320.0330.07320.41
5.5.310.0370.05720.19
5.5.300.0030.04017.98
5.5.290.0070.05317.91
5.5.280.0070.08320.79
5.5.270.0130.07720.95
5.5.260.0130.07020.86
5.5.250.0030.06020.57
5.5.240.0070.07320.18
5.4.450.0230.02719.13
5.4.440.0230.04719.14
5.4.430.0330.03319.14
5.4.420.0130.03719.42
5.4.410.0070.05718.70
5.4.400.0100.05018.74
5.4.390.0170.04718.46
5.4.380.0170.05318.44
5.4.370.0170.05318.73
5.4.360.0200.04718.70
5.4.350.0270.04718.49
5.4.340.0230.04718.61
5.4.320.0070.03912.45
5.4.310.0070.03812.45
5.4.300.0080.03912.45
5.4.290.0070.04512.45
5.4.280.0070.04312.34
5.4.270.0040.03812.31
5.4.260.0050.03812.31
5.4.250.0080.03712.31
5.4.240.0030.03912.31
5.4.230.0090.03512.30
5.4.220.0070.03512.30
5.4.210.0040.03812.31
5.4.200.0050.03912.31
5.4.190.0080.03912.30
5.4.180.0060.03912.30
5.4.170.0070.03812.32
5.4.160.0040.03812.30
5.4.150.0050.03612.30
5.4.140.0100.03511.98
5.4.130.0020.04011.98
5.4.120.0040.03711.93
5.4.110.0100.03111.93
5.4.100.0050.03611.93
5.4.90.0050.03711.93
5.4.80.0040.04511.93
5.4.70.0080.03911.92
5.4.60.0080.04311.93
5.4.50.0050.03911.92
5.4.40.0060.04211.91
5.4.30.0060.03511.91
5.4.20.0090.03211.91
5.4.10.0080.03311.91
5.4.00.0060.03711.40
5.3.290.0060.05012.80
5.3.280.0070.03712.71
5.3.270.0060.03912.73
5.3.260.0060.03912.72
5.3.250.0050.04212.72
5.3.240.0070.03512.72
5.3.230.0070.04312.71
5.3.220.0090.03312.68
5.3.210.0090.03912.68
5.3.200.0100.03712.68
5.3.190.0040.03812.68
5.3.180.0080.03412.67
5.3.170.0040.03912.67
5.3.160.0060.03712.67
5.3.150.0030.04012.67
5.3.140.0070.03612.66
5.3.130.0080.04212.66
5.3.120.0060.04112.66
5.3.110.0100.04412.66
5.3.100.0070.04412.12
5.3.90.0050.03712.09
5.3.80.0070.04312.07
5.3.70.0060.03712.07
5.3.60.0070.04012.06
5.3.50.0060.03612.00
5.3.40.0070.04212.00
5.3.30.0070.03311.94
5.3.20.0090.03911.70
5.3.10.0080.04511.65
5.3.00.0110.03611.64
5.2.170.0060.0359.15
5.2.160.0020.0349.14
5.2.150.0080.0419.14
5.2.140.0040.0319.14
5.2.130.0030.0319.11
5.2.120.0070.0329.11
5.2.110.0060.0289.11
5.2.100.0040.0319.11
5.2.90.0070.0329.11
5.2.80.0040.0319.10
5.2.70.0040.0309.10
5.2.60.0070.0279.05
5.2.50.0080.0409.03
5.2.40.0070.0329.00
5.2.30.0030.0318.97
5.2.20.0060.0328.96
5.2.10.0090.0318.89
5.2.00.0050.0288.74
5.1.60.0050.0238.03
5.1.50.0050.0278.03
5.1.40.0050.0238.02
5.1.30.0090.0238.36
5.1.20.0100.0248.39
5.1.10.0060.0248.11
5.1.00.0050.0258.11
5.0.50.0030.0216.59
5.0.40.0030.0196.44
5.0.30.0040.0356.27
5.0.20.0060.0166.23
5.0.10.0060.0196.21
5.0.00.0040.0306.20
4.4.90.0030.0214.78
4.4.80.0050.0174.76
4.4.70.0020.0194.75
4.4.60.0030.0154.75
4.4.50.0030.0224.77
4.4.40.0050.0264.71
4.4.30.0030.0154.75
4.4.20.0040.0144.84
4.4.10.0000.0174.85
4.4.00.0050.0224.75
4.3.110.0020.0184.67
4.3.100.0030.0164.66
4.3.90.0040.0134.63
4.3.80.0060.0284.58
4.3.70.0050.0174.63
4.3.60.0020.0184.62
4.3.50.0020.0224.63
4.3.40.0020.0254.54
4.3.30.0020.0163.26
4.3.20.0020.0163.25
4.3.10.0030.0143.21
4.3.00.0000.02015.02

preferences:
44 ms | 400 KiB | 5 Q