3v4l.org

run code in 300+ PHP versions simultaneously
<?php var_dump(mb_detect_encoding('', 'Foo, UTF-8')); var_dump(mb_detect_encoding('', ['Foo', 'UTF-8']));

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)
8.3.70.0040.01116.38
8.3.60.0060.00918.23
8.3.50.0140.00317.73
8.3.40.0120.00318.89
8.3.30.0070.00718.67
8.3.20.0060.00318.90
8.3.10.0000.00821.63
8.3.00.0000.00723.52
8.2.180.0150.00618.54
8.2.170.0060.00922.96
8.2.160.0170.00320.21
8.2.150.0040.00424.18
8.2.140.0040.00424.66
8.2.130.0070.00022.21
8.2.120.0050.00326.35
8.2.110.0000.00921.24
8.2.100.0120.00019.54
8.2.90.0060.00317.75
8.2.80.0050.00318.86
8.2.70.0040.00417.63
8.2.60.0030.00517.75
8.2.50.0030.00517.73
8.2.40.0030.00619.51
8.2.30.0000.00720.73
8.2.20.0000.01018.11
8.2.10.0040.00418.16
8.2.00.0000.00719.48
8.1.280.0150.00625.92
8.1.270.0080.00024.09
8.1.260.0050.00326.35
8.1.250.0080.00028.09
8.1.240.0060.00324.05
8.1.230.0040.00817.88
8.1.220.0060.00317.74
8.1.210.0080.00018.77
8.1.200.0080.00017.35
8.1.190.0080.00017.47
8.1.180.0000.00918.10
8.1.170.0050.00318.59
8.1.160.0070.00018.92
8.1.150.0000.00718.85
8.1.140.0030.00318.99
8.1.130.0040.00419.05
8.1.120.0050.00317.34
8.1.110.0020.00517.29
8.1.100.0070.00317.41
8.1.90.0040.00417.50
8.1.80.0030.00317.50
8.1.70.0030.00517.35
8.1.60.0060.00317.46
8.1.50.0000.00817.59
8.1.40.0070.00017.53
8.1.30.0030.00717.75
8.1.20.0040.00417.68
8.1.10.0020.00517.69
8.1.00.0040.00417.66
8.0.300.0000.00718.89
8.0.290.0070.00016.75
8.0.280.0030.00318.41
8.0.270.0030.00316.91
8.0.260.0080.00017.18
8.0.250.0040.00416.99
8.0.240.0040.00416.90
8.0.230.0030.00516.89
8.0.220.0030.00916.89
8.0.210.0070.00016.86
8.0.200.0000.00617.04
8.0.190.0090.00017.01
8.0.180.0000.00816.97
8.0.170.0030.00517.00
8.0.160.0070.00416.96
8.0.150.0030.00616.83
8.0.140.0040.00416.91
8.0.130.0030.00313.30
8.0.120.0040.00417.01
8.0.110.0000.00716.97
8.0.100.0000.00816.91
8.0.90.0050.00216.97
8.0.80.0100.00916.97
8.0.70.0030.00516.81
8.0.60.0000.00716.83
8.0.50.0000.00716.73
8.0.30.0040.01317.02
8.0.20.0140.00717.40
8.0.10.0000.00716.84
8.0.00.0070.01216.69
7.4.330.0000.00515.55
7.4.320.0030.00316.45
7.4.300.0040.00416.41
7.4.290.0030.00316.56
7.4.280.0080.00016.40
7.4.270.0000.01016.33
7.4.260.0000.00816.48
7.4.250.0070.00016.49
7.4.240.0030.00316.47
7.4.230.0030.00316.51
7.4.220.0000.00716.32
7.4.210.0030.01216.52
7.4.200.0040.00416.52
7.4.160.0070.00916.47
7.4.140.0100.00617.86
7.4.130.0100.00616.56
7.4.120.0060.01316.52
7.4.110.0080.00816.26
7.4.100.0120.00916.48
7.4.90.0070.01116.62
7.4.80.0100.00719.39
7.4.70.0190.00316.37
7.4.60.0080.00816.46
7.4.50.0090.00616.41
7.4.40.0000.01716.54
7.4.00.0000.01615.09
7.3.330.0000.00513.08
7.3.320.0000.00513.05
7.3.310.0000.00716.11
7.3.300.0070.00016.29
7.3.290.0030.00316.18
7.3.280.0100.01016.27
7.3.260.0080.01016.43
7.3.240.0120.00816.42
7.3.230.0120.00616.25
7.3.210.0090.00916.32
7.3.200.0030.01416.29
7.3.190.0040.01216.48
7.3.180.0100.00716.34
7.3.170.0130.01016.49
7.3.160.0080.00816.41
7.2.330.0120.00616.17
7.2.320.0090.00916.43
7.2.310.0030.01616.40
7.2.300.0120.00416.42
7.2.290.0080.00816.68
7.2.80.0370.00714.66
7.2.70.0340.01014.63
7.2.60.0340.00714.69
7.2.50.0380.00914.75
7.2.40.0380.00714.61
7.2.30.0300.01014.91
7.2.20.0410.00314.82
7.2.10.0390.00614.45
7.2.00.0380.00314.42
7.1.200.0030.00615.83
7.1.190.0320.00613.71
7.1.180.0410.00713.41
7.1.170.0380.00313.75
7.1.160.0580.01013.73
7.1.150.0350.00413.72
7.1.140.0380.00713.51
7.1.130.0370.00413.75
7.1.120.0360.01013.72
7.1.110.0350.01013.93
7.1.100.0350.00613.63
7.1.90.0390.00613.86
7.1.80.0340.00714.01
7.1.70.0390.00713.69
7.1.60.0520.01031.70
7.1.50.0560.01031.68
7.1.40.0560.01331.59
7.1.30.0590.01031.81
7.1.20.0620.01031.59
7.1.10.0430.01013.70
7.1.00.0400.00313.91

preferences:
48.68 ms | 400 KiB | 5 Q