3v4l.org

run code in 300+ PHP versions simultaneously
<?php var_dump(mb_convert_encoding(hex2bin('b1b2b3b4b5'), 'UTF-8', 'JIS')); var_dump(mb_check_encoding(hex2bin('b1b2b3b4b5'), 'JIS'));

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)
8.5.00.0100.01219.95
8.4.150.0020.00014.05
8.4.140.0090.01317.34
8.4.130.0130.00820.34
8.4.120.0160.00417.39
8.4.110.0040.00419.76
8.4.100.0100.00917.51
8.4.90.0140.00720.81
8.4.80.0050.00418.93
8.4.70.0110.01018.88
8.4.60.0130.00618.61
8.4.50.0130.00620.07
8.4.40.0060.01523.84
8.4.30.0000.00919.02
8.4.20.0070.00719.63
8.4.10.0160.00323.63
8.3.280.0160.00718.26
8.3.270.0110.01016.21
8.3.260.0040.00616.62
8.3.250.0140.00516.57
8.3.240.0120.00816.36
8.3.230.0150.00416.70
8.3.220.0070.00218.91
8.3.210.0090.00916.48
8.3.200.0040.00416.83
8.3.190.0050.00317.21
8.3.180.0080.01219.03
8.3.170.0110.00418.77
8.3.160.0060.01217.30
8.3.150.0080.00817.00
8.3.140.0070.01118.13
8.3.130.0090.00018.37
8.3.120.0080.00820.68
8.3.110.0150.00016.62
8.3.100.0100.00024.06
8.3.90.0080.00026.77
8.3.80.0090.00017.97
8.3.70.0180.00418.31
8.3.60.0110.00418.31
8.3.50.0170.00316.41
8.3.40.0100.00321.62
8.3.30.0150.00018.72
8.3.20.0080.00024.18
8.3.10.0000.00724.66
8.3.00.0080.00026.16
8.2.290.0110.00816.82
8.2.280.0050.00618.44
8.2.270.0160.00317.17
8.2.260.0100.00718.54
8.2.250.0080.00018.37
8.2.240.0110.00418.98
8.2.230.0090.00020.94
8.2.220.0040.00837.54
8.2.210.0000.00826.77
8.2.200.0060.00316.63
8.2.190.0070.01116.63
8.2.180.0070.01016.50
8.2.170.0080.00818.80
8.2.160.0000.01422.96
8.2.150.0080.00025.66
8.2.140.0040.00424.66
8.2.130.0070.00326.16
8.2.120.0030.00526.16
8.2.110.0110.00022.44
8.2.100.0110.00017.84
8.2.90.0000.00817.63
8.2.80.0040.00418.80
8.2.70.0080.00017.80
8.2.60.0030.00617.75
8.2.50.0030.00517.48
8.2.40.0060.00317.62
8.2.30.0110.00817.46
8.2.20.0140.00517.74
8.2.10.0080.00417.66
8.2.00.0040.00417.60
8.1.330.0150.00416.92
8.1.320.0130.00718.07
8.1.310.0000.02017.93
8.1.300.0030.00618.48
8.1.290.0030.00730.84
8.1.280.0110.00725.92
8.1.270.0040.00424.66
8.1.260.0050.00226.35
8.1.250.0040.00428.09
8.1.240.0090.00020.26
8.1.230.0110.00920.59
8.1.220.0000.00817.76
8.1.210.0040.00418.77
8.1.200.0040.00417.35
8.1.190.0000.00817.36
8.1.180.0080.00018.10
8.1.170.0080.00017.62
8.1.160.0040.00417.50
8.1.150.0040.00417.45
8.1.140.0030.01017.38
8.1.130.0130.00317.45
8.1.120.0130.00417.56
8.1.110.0100.00717.57
8.1.100.0140.00217.52
8.1.90.0170.00017.52
8.1.80.0110.00617.50
8.1.70.0080.00817.50
8.1.60.0160.00317.56
8.1.50.0180.00017.51
8.1.40.0090.00917.69
8.1.30.0080.01117.64
8.1.20.0050.01417.62
8.1.10.0150.00317.49
8.1.00.0050.00917.54
8.0.300.0040.00418.77
8.0.290.0000.00716.63
8.0.280.0100.00016.82
8.0.270.0130.00016.59
8.0.260.0040.00416.77
8.0.250.0040.00716.73
8.0.240.0160.00016.87
8.0.230.0160.00016.71
8.0.220.0120.00416.63
8.0.210.0130.00316.80
8.0.200.0170.00016.64
8.0.190.0040.01216.82
8.0.180.0100.00716.82
8.0.170.0110.00516.73
8.0.160.0060.01116.82
8.0.150.0110.00616.84
8.0.140.0060.01116.74
8.0.130.0130.00316.73
8.0.120.0080.00816.71
8.0.110.0130.00316.74
8.0.100.0130.00316.69
8.0.90.0110.00516.71
8.0.80.0110.00416.66
8.0.70.0080.00816.77
8.0.60.0100.00516.75
8.0.50.0120.00416.72
8.0.30.0080.00816.71
8.0.20.0100.00516.76
8.0.10.0150.00016.87

preferences:
29.71 ms | 403 KiB | 5 Q