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run code in 300+ PHP versions simultaneously
<?php $text = 'abcde æøå æøå ð Ð ≗ 䎇 顃'; echo mb_detect_encoding($text, ['UTF-8', 'CP1252', '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)
8.5.10.0110.00520.15
8.5.00.0070.01419.95
8.4.160.0160.00823.82
8.4.150.0020.00014.05
8.4.140.0090.01217.40
8.4.130.0130.00717.77
8.4.120.0120.00820.51
8.4.110.0130.00822.29
8.4.100.0100.00817.51
8.4.90.0100.00817.60
8.4.80.0120.00717.59
8.4.70.0130.00818.00
8.4.60.0060.01017.90
8.4.50.0080.01319.33
8.4.40.0060.01323.86
8.4.30.0030.00620.77
8.4.20.0080.00020.73
8.4.10.0100.00023.70
8.3.280.0090.01118.18
8.3.270.0120.00716.48
8.3.260.0110.00816.53
8.3.250.0140.00818.94
8.3.240.0120.00816.64
8.3.230.0110.00916.41
8.3.220.0030.00518.91
8.3.210.0100.00816.61
8.3.200.0110.00816.47
8.3.190.0080.01016.97
8.3.180.0090.01016.62
8.3.170.0030.01316.86
8.3.160.0100.01016.48
8.3.150.0060.01217.09
8.3.140.0050.00316.38
8.3.130.0050.00518.28
8.3.120.0070.00318.63
8.3.110.0000.00820.94
8.3.100.0060.00324.06
8.3.90.0080.00026.77
8.3.80.0090.00017.97
8.3.70.0110.00416.62
8.3.60.0100.01016.50
8.3.50.0070.00716.50
8.3.40.0100.00322.03
8.3.30.0070.00718.58
8.3.20.0040.00424.18
8.3.10.0000.00724.66
8.3.00.0040.00426.16
8.2.290.0130.00520.48
8.2.280.0120.00817.04
8.2.270.0150.00420.93
8.2.260.0110.00720.71
8.2.250.0030.00517.01
8.2.240.0110.00718.94
8.2.230.0120.00322.58
8.2.220.0050.00337.54
8.2.210.0040.00426.77
8.2.200.0060.00316.50
8.2.190.0140.00016.75
8.2.180.0040.01218.81
8.2.170.0100.00719.04
8.2.160.0100.00622.96
8.2.150.0040.00425.66
8.2.140.0050.00324.66
8.2.130.0070.00026.16
8.2.120.0080.00026.16
8.2.110.0100.00021.30
8.2.100.0070.00418.09
8.2.90.0020.00718.09
8.2.80.0040.00418.18
8.2.70.0030.00617.75
8.2.60.0040.00417.63
8.2.50.0050.00317.75
8.2.40.0040.00418.18
8.2.30.0130.00317.73
8.2.20.0050.00519.48
8.2.10.0160.00017.62
8.2.00.0130.00317.62
8.1.330.0070.00718.70
8.1.320.0140.00616.34
8.1.310.0060.00316.89
8.1.300.0080.00018.02
8.1.290.0070.00330.84
8.1.280.0100.00325.92
8.1.270.0040.00424.66
8.1.260.0080.00026.35
8.1.250.0070.00028.09
8.1.240.0000.00823.95
8.1.230.0090.00320.91
8.1.220.0000.00817.91
8.1.210.0000.00818.79
8.1.200.0000.00817.47
8.1.190.0000.00817.47
8.1.180.0040.00418.10
8.1.170.0000.00717.62
8.1.160.0110.00517.62
8.1.150.0170.00017.62
8.1.140.0100.00717.62
8.1.130.0130.00317.62
8.1.120.0160.00017.62
8.1.110.0130.00417.62
8.1.100.0110.00617.62
8.1.90.0140.00517.62
8.1.80.0050.01117.62
8.1.70.0150.00017.62
8.1.60.0120.00817.62
8.1.50.0140.00317.62
8.1.40.0090.00917.62
8.1.30.0100.00717.63
8.1.20.0140.00417.72
8.1.10.0100.00717.63
8.1.00.0110.00717.62
8.0.300.0000.00819.92
8.0.290.0090.00016.75
8.0.280.0060.01217.62
8.0.270.0120.00617.62
8.0.260.0080.00817.62
8.0.250.0120.00317.62
8.0.240.0110.00417.62
8.0.230.0160.00017.62
8.0.220.0140.00317.62
8.0.210.0120.00517.62
8.0.200.0140.00317.62
8.0.190.0110.00517.62
8.0.180.0170.00017.62
8.0.170.0120.00417.62
8.0.160.0130.00317.62
8.0.150.0160.00017.62
8.0.140.0100.00717.62
8.0.130.0170.00017.62
8.0.120.0100.00717.62
8.0.110.0090.00617.62
8.0.100.0080.00817.62
8.0.90.0080.00817.62
8.0.80.0080.00817.62
8.0.70.0130.00317.62
8.0.60.0140.00217.62
8.0.50.0120.00317.62
8.0.30.0060.01017.62
8.0.20.0150.00017.62
8.0.10.0050.01117.62

preferences:
35.37 ms | 403 KiB | 5 Q