3v4l.org

run code in 300+ PHP versions simultaneously
<?php $cp1252 = "\x61\x61\x61\xE7\x62\x62\x62"; // aaaçbbb in Windows-1252 $utf8 = mb_convert_encoding($cp1252, "UTF-8", "Windows-1252"); echo "Hex (1252): ".bin2hex($cp1252)."\n"; echo "Hex (UTF8): ".bin2hex($utf8)."\n"; echo "Plain UTF8: ".$utf8."\n";

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)
8.3.60.0040.01818.20
8.3.50.0080.00821.92
8.3.40.0140.00418.48
8.3.30.0000.01418.78
8.3.20.0070.00020.29
8.3.10.0040.00421.68
8.3.00.0030.00517.79
8.2.180.0070.01025.92
8.2.170.0040.01119.13
8.2.160.0070.01022.96
8.2.150.0080.00025.66
8.2.140.0040.00424.66
8.2.130.0030.00526.16
8.2.120.0000.00821.09
8.2.110.0080.00020.64
8.2.100.0120.00017.97
8.2.90.0040.00419.41
8.2.80.0040.00420.71
8.2.70.0060.00317.88
8.2.60.0060.00317.63
8.2.50.0040.00417.88
8.2.40.0000.01020.00
8.2.30.0080.00018.05
8.2.20.0000.00717.93
8.2.10.0040.00418.36
8.2.00.0000.00718.03
8.1.280.0070.00725.92
8.1.270.0070.00024.66
8.1.260.0040.00426.35
8.1.250.0070.00028.09
8.1.240.0090.00022.57
8.1.230.0070.00422.94
8.1.220.0080.00017.88
8.1.210.0000.00819.17
8.1.200.0050.00317.38
8.1.190.0040.00417.60
8.1.180.0000.00818.10
8.1.170.0000.00917.62
8.1.160.0000.00822.24
8.1.150.0040.00419.16
8.1.140.0000.00717.54
8.1.130.0040.00419.12
8.1.120.0040.00417.55
8.1.110.0000.00717.56
8.1.100.0030.00517.53
8.1.90.0000.00817.61
8.1.80.0030.00617.58
8.1.70.0000.00717.55
8.1.60.0060.00317.71
8.1.50.0030.00517.65
8.1.40.0040.00417.70
8.1.30.0080.00017.70
8.1.20.0060.00317.84
8.1.10.0000.00817.71
8.1.00.0040.00417.73
8.0.300.0000.00820.16
8.0.290.0000.00816.88
8.0.280.0000.00718.56
8.0.270.0030.00316.86
8.0.260.0000.00617.36
8.0.250.0030.00617.12
8.0.240.0040.00417.09
8.0.230.0000.00716.96
8.0.220.0030.00316.92
8.0.210.0070.00017.03
8.0.200.0030.00316.96
8.0.190.0040.00417.06
8.0.180.0040.00417.05
8.0.170.0030.00617.09
8.0.160.0040.00317.07
8.0.150.0000.00717.01
8.0.140.0090.00316.86
8.0.130.0070.00013.36
8.0.120.0000.00916.94
8.0.110.0040.00417.08
8.0.100.0050.00317.05
8.0.90.0000.00716.96
8.0.80.0130.00316.98
8.0.70.0000.00716.96
8.0.60.0040.00416.93
8.0.50.0070.00016.95
8.0.30.0130.00817.22
8.0.20.0150.00917.40
8.0.10.0040.00417.07
8.0.00.0060.01116.89
7.4.330.0000.00515.11
7.4.320.0000.00616.58
7.4.300.0030.00316.64
7.4.290.0040.00416.57
7.4.280.0000.00716.70
7.4.270.0030.00316.70
7.4.260.0040.00416.65
7.4.250.0000.00816.63
7.4.240.0020.00516.62
7.4.230.0040.00216.61
7.4.220.0100.00716.55
7.4.210.0070.00716.68
7.4.200.0030.00316.56
7.4.150.0120.00617.40
7.4.140.0130.00817.86
7.4.130.0130.00516.58
7.4.120.0080.01116.61
7.4.110.0160.00616.50
7.4.100.0110.01616.56
7.4.90.0040.01316.60
7.4.80.0060.01219.39
7.4.70.0070.01016.43
7.4.60.0130.00316.59
7.4.50.0020.00216.31
7.4.40.0040.01416.48
7.4.30.0140.00616.80
7.4.00.0060.00615.10
7.3.330.0030.00313.34
7.3.320.0000.00613.28
7.3.310.0000.00716.38
7.3.300.0000.00716.43
7.3.290.0070.01116.38
7.3.280.0090.00816.37
7.3.270.0180.00017.40
7.3.260.0100.00716.66
7.3.250.0090.01116.37
7.3.240.0130.00316.63
7.3.230.0100.00616.51
7.3.210.0100.00816.43
7.3.200.0110.00919.39
7.3.190.0090.01316.60
7.3.180.0100.00716.63
7.3.170.0060.00916.42
7.3.160.0110.00416.52
7.3.120.0030.01015.20
7.3.10.0060.00916.39
7.3.00.0150.00616.13
7.2.330.0090.00916.92
7.2.320.0100.00716.66
7.2.310.0030.01316.89
7.2.300.0070.01017.00
7.2.290.0060.00916.75
7.2.130.0070.01316.43
7.2.120.0110.01116.69
7.2.110.0110.01016.70
7.2.100.0090.00516.99
7.2.90.0110.00816.83
7.2.80.0150.00916.67
7.2.70.0040.01116.76
7.2.60.0090.00516.96
7.2.50.0130.00317.05
7.2.40.0100.00716.91
7.2.30.0100.00616.94
7.2.20.0060.00616.89
7.2.10.0030.01616.82
7.2.00.0070.01016.95
7.1.250.0040.01615.41
7.1.200.0040.00715.71
7.1.70.0030.00717.04
7.1.60.0070.00717.40
7.1.50.0030.00716.93
7.1.00.0070.07322.30
7.0.200.0130.00317.06
7.0.140.0130.06322.21
7.0.60.0070.05319.97
7.0.50.0130.07717.81
7.0.40.0170.07019.98
7.0.30.0300.06020.04
7.0.20.0370.07020.09
7.0.10.0070.04720.30
7.0.00.0070.08320.11
5.6.280.0030.07320.95
5.6.210.0170.07020.55
5.6.200.0030.05318.21
5.6.190.0000.04720.39
5.6.180.0270.07720.48
5.6.170.0230.07720.55
5.6.160.0200.05320.44
5.6.150.0030.05718.17
5.6.140.0070.05018.21
5.6.130.0100.04018.15
5.6.120.0030.07320.98
5.6.110.0130.08021.07
5.6.100.0230.06321.12
5.6.90.0070.08320.97
5.6.80.0030.07020.27
5.5.350.0200.06320.33
5.5.340.0030.08718.00
5.5.330.0200.07020.13
5.5.320.0230.07720.34
5.5.310.0300.06720.34
5.5.300.0070.08017.95
5.5.290.0030.04017.95
5.5.280.0130.07720.86
5.5.270.0130.04720.86
5.5.260.0070.08020.83
5.5.250.0000.08720.54
5.5.240.0100.05020.25
5.4.450.0870.05019.32
5.4.440.0930.05019.55
5.4.430.0570.05719.16
5.4.420.0800.05319.53
5.4.410.0200.04719.02
5.4.400.0300.06018.80
5.4.390.0330.05718.63
5.4.380.0100.05018.78
5.4.370.0070.04018.50
5.4.360.0000.04718.59
5.4.350.0070.03611.97
5.4.340.0070.04211.97
5.4.320.0040.03712.45
5.4.310.0130.05712.45
5.4.300.0120.03812.45
5.4.290.0080.04012.45
5.4.280.0080.03312.35
5.4.270.0080.03712.34
5.4.260.0090.03412.35
5.4.250.0040.04112.34
5.4.240.0080.03512.35
5.4.230.0100.03612.34
5.4.220.0090.04312.34
5.4.210.0050.03812.34
5.4.200.0080.03512.34
5.4.190.0070.03612.33
5.4.180.0100.03912.33
5.4.170.0080.03612.34
5.4.160.0060.03612.34
5.4.150.0090.03712.34
5.4.140.0090.03612.02
5.4.130.0060.03812.01
5.4.120.0060.04011.96
5.4.110.0060.03911.96
5.4.100.0090.03311.96
5.4.90.0050.04011.96
5.4.80.0060.03711.96
5.4.70.0080.03311.96
5.4.60.0040.03711.96
5.4.50.0100.03211.96
5.4.40.0080.03411.95
5.4.30.0100.03811.95
5.4.20.0060.03511.94
5.4.10.0080.03311.95
5.4.00.0040.03711.44
5.3.290.0100.03812.80
5.3.280.0050.03912.71
5.3.270.0100.03612.72
5.3.260.0040.04212.72
5.3.250.0080.03512.72
5.3.240.0060.03912.71
5.3.230.0110.03412.71
5.3.220.0090.03512.68
5.3.210.0050.04012.68
5.3.200.0080.03512.68
5.3.190.0060.03812.68
5.3.180.0080.03612.67
5.3.170.0100.03412.67
5.3.160.0100.03512.67
5.3.150.0090.03512.68
5.3.140.0050.03912.66
5.3.130.0070.04412.66
5.3.120.0040.04112.66
5.3.110.0050.04712.66
5.3.100.0070.03712.12
5.3.90.0040.03912.08
5.3.80.0070.04112.08
5.3.70.0070.03712.07
5.3.60.0170.07312.06
5.3.50.0080.07512.00
5.3.40.0130.07812.00
5.3.30.0100.03911.95
5.3.20.0040.04111.72
5.3.10.0050.04111.69
5.3.00.0070.04111.68
5.2.170.0030.0329.18
5.2.160.0050.0289.18
5.2.150.0020.0339.18
5.2.140.0030.0329.17
5.2.130.0030.0319.13
5.2.120.0090.0339.14
5.2.110.0060.0319.14
5.2.100.0060.0309.14
5.2.90.0040.0329.14
5.2.80.0040.0329.13
5.2.70.0040.0309.13
5.2.60.0050.0299.09
5.2.50.0050.0299.05
5.2.40.0070.0269.03
5.2.30.0090.0259.01
5.2.20.0040.0289.00
5.2.10.0070.0258.92
5.2.00.0090.0268.77
5.1.60.0060.0228.06
5.1.50.0030.0268.06
5.1.40.0020.0268.04
5.1.30.0030.0278.39
5.1.20.0050.0278.41
5.1.10.0050.0268.13
5.1.00.0040.0268.13
5.0.50.0040.0206.62
5.0.40.0030.0206.48
5.0.30.0010.0346.29
5.0.20.0010.0226.26
5.0.10.0030.0196.24
5.0.00.0040.0296.22
4.4.90.0020.0234.78
4.4.80.0030.0164.76
4.4.70.0020.0164.75
4.4.60.0040.0154.76
4.4.50.0040.0144.77
4.4.40.0040.0254.70
4.4.30.0010.0254.76
4.4.20.0030.0184.84
4.4.10.0030.0164.85
4.4.00.0020.0264.76
4.3.110.0010.0174.67
4.3.100.0000.0184.67
4.3.90.0020.0154.64
4.3.80.0040.0234.58
4.3.70.0010.0164.63
4.3.60.0040.0134.63
4.3.50.0030.0164.63
4.3.40.0010.0254.54
4.3.30.0010.0173.28
4.3.20.0010.0173.26
4.3.10.0010.0163.22
4.3.00.0170.0176.93

preferences:
51.04 ms | 401 KiB | 5 Q