3v4l.org

run code in 300+ PHP versions simultaneously
<?php $test = 'BEGIN:VCARD VERSION:2.1 N;ENCODING=QUOTED-PRINTABLE:Iksi=F1ski;Piotr FN;ENCODING=QUOTED-PRINTABLE:Piotr Iksi=F1ski EMAIL;PREF;INTERNET:piotr.iksinski@somedomain.com X-GENDER:Male REV:20080716T203548Z END:VCARD '; echo mb_detect_encoding($test, ['UTF-8', 'UTF-16']);

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)
8.3.60.0090.00616.38
8.3.50.0090.00619.83
8.3.40.0040.01119.09
8.3.30.0070.00718.45
8.3.20.0050.00224.18
8.3.10.0080.00024.66
8.3.00.0060.00326.16
8.2.180.0110.00725.92
8.2.170.0070.00722.96
8.2.160.0090.00522.96
8.2.150.0000.00725.66
8.2.140.0090.00024.66
8.2.130.0060.00326.16
8.2.120.0050.00319.79
8.2.110.0030.00720.58
8.2.100.0060.00617.76
8.2.90.0000.00717.63
8.2.80.0040.00418.81
8.2.70.0050.00317.75
8.2.60.0000.00817.75
8.2.50.0030.00617.75
8.2.40.0040.00419.95
8.2.30.0030.00618.16
8.2.20.0070.00019.33
8.2.10.0000.00818.81
8.2.00.0000.00719.26
8.1.280.0100.00325.92
8.1.270.0080.00023.99
8.1.260.0130.00326.35
8.1.250.0080.00028.09
8.1.240.0110.00022.04
8.1.230.0120.00020.97
8.1.220.0040.00417.74
8.1.210.0060.00318.77
8.1.200.0050.00317.35
8.1.190.0060.00317.23
8.1.180.0000.00818.10
8.1.170.0000.00818.57
8.1.160.0040.00418.81
8.1.150.0000.00718.55
8.1.140.0000.00717.39
8.1.130.0050.00318.92
8.1.120.0000.00717.44
8.1.110.0000.00717.39
8.1.100.0050.00217.46
8.1.90.0000.00717.45
8.1.80.0000.00817.29
8.1.70.0000.00717.46
8.1.60.0050.00317.57
8.1.50.0050.00317.50
8.1.40.0070.00317.52
8.1.30.0030.00517.47
8.1.20.0000.00817.54
8.1.10.0080.00017.47
8.1.00.0040.00417.42
8.0.300.0000.00718.77
8.0.290.0040.00416.75
8.0.280.0080.00018.42
8.0.270.0030.00318.05
8.0.260.0060.00018.44
8.0.250.0030.00316.93
8.0.240.0000.00617.04
8.0.230.0080.00016.90
8.0.220.0030.00316.87
8.0.210.0000.00716.88
8.0.200.0040.00416.89
8.0.190.0000.00716.96
8.0.180.0040.00416.93
8.0.170.0040.00416.87
8.0.160.0040.00416.88
8.0.150.0000.00716.74
8.0.140.0030.00716.84
8.0.130.0000.00513.29
8.0.120.0030.00516.82
8.0.110.0040.00416.89
8.0.100.0000.00716.84
8.0.90.0050.00216.88
8.0.80.0060.00316.80
8.0.70.0000.00916.87
8.0.60.0030.00616.82
8.0.50.0040.00416.77
8.0.30.0000.00916.86
8.0.20.0040.00416.94
8.0.10.0090.00016.85
8.0.00.0000.00817.00
7.4.330.0050.00015.55
7.4.320.0080.00016.48
7.4.300.0050.00216.50
7.4.290.0030.00516.38
7.4.280.0050.00316.49
7.4.270.0030.00616.50
7.4.260.0050.00013.20
7.4.250.0040.00416.54
7.4.240.0030.00416.55
7.4.230.0020.00516.44
7.4.220.0040.00416.56
7.4.210.0000.00816.60
7.4.200.0030.00316.55
7.4.190.0080.00016.63
7.4.180.0040.00416.54
7.4.160.0070.00016.46
7.4.150.0000.00716.34
7.4.140.0070.00016.36
7.4.130.0030.00316.51
7.4.120.0030.00516.48
7.4.110.0000.00716.43
7.4.100.0030.00316.53
7.4.90.0000.00716.34
7.4.80.0000.00816.37
7.4.70.0000.00716.53
7.4.60.0030.00516.35
7.4.50.0040.00416.23
7.4.40.0070.00316.25
7.4.30.0050.00316.34
7.4.20.0000.00716.34
7.4.10.0040.00416.34
7.4.00.0030.00316.37
7.3.330.0020.00516.10
7.3.320.0000.00513.11
7.3.310.0070.00016.25
7.3.300.0070.00016.05
7.3.290.0040.00416.27
7.3.280.0070.00016.27
7.3.270.0000.00716.13
7.3.260.0060.00016.00
7.3.250.0070.00016.03
7.3.240.0000.00816.11
7.3.230.0070.00016.03
7.3.220.0020.00515.92
7.3.210.0030.00516.02
7.3.200.0050.00315.98
7.3.190.0000.00815.89
7.3.180.0050.00316.15
7.3.170.0030.00315.88
7.3.160.0030.00316.11
7.3.150.0030.00315.97
7.3.140.0030.00315.90
7.3.130.0000.00716.10
7.3.120.0030.00316.07
7.3.110.0070.00015.91
7.3.100.0070.00016.16
7.3.90.0000.00716.35
7.3.80.0030.00316.13
7.3.70.0030.00316.36
7.3.60.0030.00316.37
7.3.50.0060.00016.37
7.3.40.0070.00016.32
7.3.30.0040.00416.33
7.3.20.0030.00518.16
7.3.10.0040.00317.87
7.3.00.0030.00617.86

preferences:
60.57 ms | 400 KiB | 5 Q