3v4l.org

run code in 300+ PHP versions simultaneously
<?php $str = '1392'; echo $string = mb_convert_encoding($str,"UTF-8"); echo intval($string)+1;

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)
8.3.60.0140.00016.75
8.3.50.0150.00522.11
8.3.40.0190.00318.48
8.3.30.0130.00919.01
8.3.20.0050.00220.04
8.3.10.0050.00323.66
8.3.00.0080.00022.49
8.2.180.0110.01116.50
8.2.170.0150.00022.96
8.2.160.0100.00320.38
8.2.150.0040.00424.18
8.2.140.0080.00024.66
8.2.130.0040.00426.16
8.2.120.0080.00822.11
8.2.110.0040.00422.22
8.2.100.0070.00417.91
8.2.90.0060.00319.21
8.2.80.0000.00918.04
8.2.70.0000.00817.48
8.2.60.0000.00917.93
8.2.50.0050.00318.07
8.2.40.0000.00918.09
8.2.30.0070.00018.05
8.2.20.0040.00417.68
8.2.10.0040.00417.58
8.2.00.0050.00217.66
8.1.280.0070.00725.92
8.1.270.0140.00022.20
8.1.260.0080.00026.35
8.1.250.0040.00428.09
8.1.240.0040.00423.76
8.1.230.0110.00019.08
8.1.220.0000.00717.76
8.1.210.0000.00818.77
8.1.200.0080.00017.23
8.1.190.0000.00817.28
8.1.180.0000.00918.10
8.1.170.0030.00918.64
8.1.160.0070.00021.93
8.1.150.0000.00718.55
8.1.140.0030.00517.32
8.1.130.0070.00017.73
8.1.120.0030.00617.48
8.1.110.0080.00017.48
8.1.100.0050.00217.38
8.1.90.0040.00417.42
8.1.80.0000.00717.48
8.1.70.0030.00317.45
8.1.60.0030.00617.54
8.1.50.0040.00417.55
8.1.40.0000.00717.46
8.1.30.0000.00817.72
8.1.20.0040.00417.70
8.1.10.0060.00317.59
8.1.00.0000.00717.51
8.0.300.0060.00318.77
8.0.290.0000.00717.05
8.0.280.0000.00718.50
8.0.270.0020.00517.23
8.0.260.0030.00516.84
8.0.250.0000.00717.06
8.0.240.0000.00717.04
8.0.230.0040.00416.99
8.0.220.0070.00016.82
8.0.210.0050.00316.85
8.0.200.0040.00416.95
8.0.190.0000.00716.94
8.0.180.0040.00416.96
8.0.170.0040.00416.82
8.0.160.0000.00816.79
8.0.150.0030.00316.77
8.0.140.0000.00716.86
8.0.130.0000.00513.35
8.0.120.0000.00816.74
8.0.110.0070.00016.83
8.0.100.0040.00416.90
8.0.90.0030.00516.68
8.0.80.0120.00316.88
8.0.70.0000.00716.93
8.0.60.0000.00716.88
8.0.50.0000.00816.68
8.0.30.0120.00716.88
8.0.20.0130.01017.40
8.0.10.0040.00416.83
8.0.00.0100.01016.63
7.4.330.0020.00215.15
7.4.320.0030.00316.55
7.4.300.0000.00616.56
7.4.290.0070.00016.57
7.4.280.0090.00316.56
7.4.270.0030.00316.52
7.4.260.0030.00516.50
7.4.250.0000.00816.60
7.4.240.0070.00016.68
7.4.230.0070.00016.77
7.4.220.0120.00616.68
7.4.210.0090.00616.54
7.4.200.0070.00016.45
7.4.190.0070.00016.82
7.4.160.0070.00716.54
7.4.150.0080.00917.40
7.4.140.0090.01117.86
7.4.130.0100.01016.59
7.4.120.0140.00716.54
7.4.110.0060.01116.59
7.4.100.0030.01316.33
7.4.90.0100.00716.39
7.4.80.0130.00416.55
7.4.70.0180.00316.34
7.4.60.0150.00916.59
7.4.50.0040.00016.63
7.4.40.0030.00722.77
7.4.30.0100.01316.54
7.4.00.0040.01214.93
7.3.330.0000.00513.08
7.3.320.0000.00513.06
7.3.310.0040.00416.38
7.3.300.0000.00716.33
7.3.290.0100.00716.26
7.3.280.0070.01016.27
7.3.270.0070.01017.40
7.3.260.0090.00916.37
7.3.250.0100.00816.39
7.3.240.0040.01316.49
7.3.230.0070.01316.39
7.3.210.0090.01616.46
7.3.200.0120.00619.39
7.3.190.0110.01116.52
7.3.180.0100.01016.38
7.3.170.0030.01216.43
7.3.160.0120.00416.48
7.3.120.0070.00714.79
7.2.330.0090.01516.64
7.2.320.0070.01916.34
7.2.310.0090.01216.34
7.2.300.0040.01116.68
7.2.290.0100.00716.48
7.2.110.0150.00616.50
7.2.00.0030.00619.19
7.1.100.0800.00616.16
7.1.70.0090.00017.16
7.1.60.0140.01119.29
7.1.50.0000.01817.11
7.1.00.0030.07722.48
7.0.200.0000.00716.75
7.0.140.0030.07021.95
7.0.60.0030.04319.85
7.0.50.0070.06717.88
7.0.40.0130.06720.24
7.0.30.0300.07320.00
7.0.20.0300.07020.04
7.0.10.0030.04320.00
7.0.00.0100.05020.17
5.6.280.0100.06720.88
5.6.210.0130.07320.46
5.6.200.0100.08318.19
5.6.190.0130.05320.56
5.6.180.0170.04320.41
5.6.170.0200.05720.52
5.6.160.0130.07020.55
5.6.150.0100.07718.21
5.6.140.0070.07318.21
5.6.130.0030.07318.12
5.6.120.0030.04720.97
5.6.110.0070.08720.96
5.6.100.0030.07321.04
5.6.90.0070.07720.97
5.6.80.0030.04020.41
5.5.350.4730.04020.36
5.5.340.0030.03717.96
5.5.330.0070.04720.13
5.5.320.0330.06720.30
5.5.310.0300.08020.21
5.5.300.0100.08017.91
5.5.290.0030.07317.94
5.5.280.0070.06020.96
5.5.270.0030.04320.78
5.5.260.0070.06720.87
5.5.250.0200.06020.64
5.5.240.0070.07320.11
5.4.450.1130.05019.45
5.4.440.1000.06319.52
5.4.430.0100.06019.54
5.4.420.0830.05019.48
5.4.410.0100.05719.27
5.4.400.0800.06319.14
5.4.390.0800.05719.28
5.4.380.0130.05318.65
5.4.370.0100.05718.71
5.4.360.0070.06018.58
5.4.350.0200.05018.49
5.4.340.0170.04718.65
5.4.320.0080.04212.45
5.4.310.0090.03812.45
5.4.300.0060.03712.45
5.4.290.0040.03912.45
5.4.280.0050.03712.34
5.4.270.0060.03812.34
5.4.260.0050.03712.34
5.4.250.0030.04012.34
5.4.240.0060.03512.34
5.4.230.0060.03712.33
5.4.220.0060.03512.33
5.4.210.0040.03612.33
5.4.200.0030.04012.33
5.4.190.0060.03412.32
5.4.180.0040.03812.32
5.4.170.0110.03112.34
5.4.160.0030.03812.33
5.4.150.0040.03812.33
5.4.140.0060.03712.01
5.4.130.0060.03512.00
5.4.120.0070.03511.96
5.4.110.0100.03211.95
5.4.100.0070.03311.95
5.4.90.0060.03611.95
5.4.80.0040.03811.95
5.4.70.0080.03211.95
5.4.60.0050.04011.95
5.4.50.0040.04011.95
5.4.40.0050.03611.93
5.4.30.0070.03511.94
5.4.20.0060.03511.94
5.4.10.0050.03711.93
5.4.00.0040.03711.43
5.3.290.0100.04012.80
5.3.280.0030.04012.71
5.3.270.0080.03712.73
5.3.260.0060.03812.72
5.3.250.0080.03412.72
5.3.240.0070.03512.72
5.3.230.0040.03912.71
5.3.220.0060.04212.68
5.3.210.0030.04912.68
5.3.200.0060.03612.68
5.3.190.0060.03712.68
5.3.180.0060.03512.67
5.3.170.0050.03612.67
5.3.160.0040.03812.67
5.3.150.0060.03712.68
5.3.140.0060.03712.66
5.3.130.0080.05312.66
5.3.120.0120.04012.66
5.3.110.0050.04412.66
5.3.100.0060.03612.12
5.3.90.0050.03612.08
5.3.80.0070.03412.08
5.3.70.0050.03712.08
5.3.60.0060.03612.06
5.3.50.0040.03712.00
5.3.40.0080.03312.00
5.3.30.0040.03611.95
5.3.20.0050.03411.73
5.3.10.0060.03311.70
5.3.00.0070.03411.67
5.2.170.0020.0329.18
5.2.160.0040.0299.18
5.2.150.0050.0299.18
5.2.140.0030.0319.18
5.2.130.0050.0289.14
5.2.120.0020.0309.14
5.2.110.0030.0349.15
5.2.100.0040.0289.14
5.2.90.0070.0309.14
5.2.80.0040.0319.13
5.2.70.0060.0299.13
5.2.60.0030.0319.09
5.2.50.0050.0299.06
5.2.40.0050.0289.04
5.2.30.0050.0299.01
5.2.20.0050.0289.00
5.2.10.0050.0268.94
5.2.00.0050.0288.80
5.1.60.0050.0238.08
5.1.50.0050.0248.08
5.1.40.0040.0258.07
5.1.30.0030.0278.41
5.1.20.0070.0248.44
5.1.10.0040.0268.16
5.1.00.0050.0248.16
5.0.50.0050.0206.64
5.0.40.0020.0206.50
5.0.30.0040.0306.32
5.0.20.0090.0146.28
5.0.10.0020.0216.25
5.0.00.0040.0296.24
4.4.90.0040.0214.78
4.4.80.0040.0134.76
4.4.70.0020.0154.76
4.4.60.0020.0154.76
4.4.50.0030.0144.77
4.4.40.0030.0254.71
4.4.30.0020.0154.76
4.4.20.0050.0134.85
4.4.10.0020.0164.85
4.4.00.0030.0254.76
4.3.110.0020.0164.67
4.3.100.0030.0144.66
4.3.90.0020.0154.63
4.3.80.0040.0224.58
4.3.70.0050.0124.63
4.3.60.0010.0164.63
4.3.50.0020.0164.63
4.3.40.0030.0234.54
4.3.30.0020.0163.29
4.3.20.0030.0153.28
4.3.10.0030.0153.23
4.3.00.0100.02013.14

preferences:
40.59 ms | 401 KiB | 5 Q