3v4l.org

run code in 300+ PHP versions simultaneously
<?php $str = chr(239).chr(187).chr(191) //BOM UTF8 .chr(195).chr(180) ; //ô var_dump( mb_detect_encoding( chr(239).chr(187).chr(191) //BOM UTF8 .chr(195).chr(180) //ô , [ 'UTF-8', 'ISO-8859-1', ] , true ) );

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)
8.5.10.0100.00720.39
8.5.00.0150.01319.58
8.4.150.0020.00114.05
8.4.140.0110.01017.46
8.4.130.0080.01017.68
8.4.120.0070.00920.49
8.4.110.0100.00622.51
8.4.100.0140.00717.60
8.4.90.0100.00818.68
8.4.80.0070.00317.88
8.4.70.0050.00419.48
8.4.60.0110.01018.59
8.4.50.0090.01019.54
8.4.40.0090.00017.92
8.4.30.0070.01318.93
8.4.20.0130.00618.89
8.4.10.0100.01022.07
8.3.280.0120.01118.31
8.3.270.0120.00716.34
8.3.260.0100.00516.40
8.3.250.0100.00818.88
8.3.240.0090.00216.42
8.3.230.0130.00616.48
8.3.220.0070.01217.01
8.3.210.0090.00616.61
8.3.200.0050.00416.46
8.3.190.0110.00417.14
8.3.180.0060.00218.06
8.3.170.0060.00316.89
8.3.160.0080.01118.27
8.3.150.0140.00716.54
8.3.140.0050.00518.63
8.3.130.0070.00018.27
8.3.120.0060.00320.62
8.3.110.0080.00320.94
8.3.100.0040.00424.06
8.3.90.0080.00026.77
8.3.80.0000.01018.31
8.3.70.0090.00616.58
8.3.60.0070.00716.32
8.3.50.0110.00318.42
8.3.40.0100.00720.33
8.3.30.0040.01118.63
8.3.20.0000.00724.18
8.3.10.0090.00723.84
8.3.00.0080.00026.16
8.2.290.0140.00620.67
8.2.280.0080.01118.71
8.2.270.0100.00720.96
8.2.260.0090.00616.74
8.2.250.0070.00716.91
8.2.240.0050.00319.19
8.2.230.0040.00422.58
8.2.220.0040.01237.54
8.2.210.0030.00926.77
8.2.200.0060.00316.88
8.2.190.0120.00316.88
8.2.180.0100.01025.92
8.2.170.0040.01119.01
8.2.160.0100.00322.96
8.2.150.0050.00225.66
8.2.140.0080.00723.00
8.2.130.0000.00726.16
8.2.120.0040.00420.64
8.2.110.0060.00321.19
8.2.100.0030.00717.91
8.2.90.0040.00417.84
8.2.80.0000.00917.97
8.2.70.0030.00617.74
8.2.60.0040.00418.05
8.2.50.0080.00018.07
8.2.40.0020.00518.03
8.2.30.0030.00518.25
8.2.20.0000.00719.37
8.2.10.0040.00418.11
8.2.00.0030.00519.37
8.1.330.0130.00621.75
8.1.320.0130.00616.14
8.1.310.0000.00916.43
8.1.300.0050.00218.33
8.1.290.0090.00330.84
8.1.280.0140.00325.92
8.1.270.0120.00724.12
8.1.260.0060.00326.35
8.1.250.0040.00428.09
8.1.240.0030.00622.47
8.1.230.0070.00421.02
8.1.220.0030.00717.74
8.1.210.0040.00719.00
8.1.200.0030.00517.48
8.1.190.0080.00017.48
8.1.180.0030.00618.10
8.1.170.0040.00418.59
8.1.160.0050.00318.93
8.1.150.0000.00718.82
8.1.140.0000.00817.49
8.1.130.0030.00318.96
8.1.120.0030.00317.59
8.1.110.0040.00417.48
8.1.100.0080.00817.40
8.1.90.0070.00717.48
8.1.80.0120.00217.41
8.1.70.0130.00217.42
8.1.60.0120.00417.50
8.1.50.0050.01017.57
8.1.40.0110.00517.55
8.1.30.0080.00817.65
8.1.20.0120.00417.68
8.1.10.0120.00317.53
8.1.00.0130.00317.60
8.0.300.0030.00520.03
8.0.290.0040.00416.63
8.0.280.0000.00818.36
8.0.270.0070.00018.07
8.0.260.0000.00618.43
8.0.250.0030.00316.98
8.0.240.0000.00817.03
8.0.230.0090.00416.81
8.0.220.0080.00516.86
8.0.210.0030.00916.71
8.0.200.0040.00916.81
8.0.190.0130.00016.86
8.0.180.0040.01216.75
8.0.170.0030.01016.84
8.0.160.0060.00816.87
8.0.150.0070.00716.74
8.0.140.0030.00916.73
8.0.130.0000.01516.85
8.0.120.0150.00016.85
8.0.110.0090.00516.98
8.0.100.0120.00316.89
8.0.90.0110.00416.90
8.0.80.0060.00816.96
8.0.70.0070.00716.75
8.0.60.0140.00016.82
8.0.50.0120.00316.84
8.0.30.0120.00316.95
8.0.20.0160.00017.00
8.0.10.0100.00517.05
7.4.330.0060.00015.55
7.4.320.0040.00416.66
7.4.300.0130.00416.70
7.4.290.0170.00016.69
7.4.280.0150.00316.66
7.4.270.0150.00316.38
7.4.260.0120.00416.52
7.4.250.0140.00316.64
7.4.240.0140.00617.87
7.4.230.0160.00016.49
7.4.220.0070.00716.62
7.4.210.0070.01016.57
7.4.200.0090.00516.61
7.4.190.0050.00816.64
7.4.180.0090.00516.64
7.4.160.0040.00816.71
7.4.150.0000.00616.53
7.4.140.0120.00016.50
7.4.130.0070.00316.51
7.4.120.0080.00416.50
7.4.110.0100.00316.41
7.4.100.0090.00216.48
7.4.90.0090.00316.58
7.4.80.0090.00316.50
7.4.70.0090.00316.43
7.4.60.0080.00416.51
7.4.50.0080.00016.44
7.4.40.0040.00416.32
7.4.30.0070.00016.54
7.4.20.0030.00616.49
7.4.10.0070.00416.44
7.4.00.0000.01016.50
7.3.130.0190.00817.95
7.1.130.0190.00518.04
5.3.60.0140.00413.99
4.4.10.0000.00413.99
4.3.10.0030.00313.99

preferences:
138.12 ms | 403 KiB | 5 Q