3v4l.org

run code in 300+ PHP versions simultaneously
<?php var_dump( $conv = mb_convert_encoding( $bin = hex2bin("e4d4bd67c565d8fdf8d5b162c7f8b7acca43"), "UTF-8", "BIG5" ), mb_check_encoding($bin, "BIG5"), bin2hex(mb_convert_encoding($conv, "BIG5", "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)
8.3.60.0140.00716.88
8.3.50.0160.00918.55
8.3.40.0100.00320.37
8.3.30.0120.00318.71
8.3.20.0040.00424.18
8.3.10.0080.00024.66
8.3.00.0040.00426.16
8.2.180.0110.00425.92
8.2.170.0070.01118.79
8.2.160.0110.00422.96
8.2.150.0000.00825.66
8.2.140.0000.00824.66
8.2.130.0040.00426.16
8.2.120.0100.00319.77
8.2.110.0090.00021.24
8.2.100.0040.00717.84
8.2.90.0110.00019.22
8.2.80.0090.00017.97
8.2.70.0050.00517.63
8.2.60.0000.00917.92
8.2.50.0030.00618.07
8.2.40.0040.00418.34
8.2.30.0000.00717.97
8.2.20.0000.00820.66
8.2.10.0000.00718.19
8.2.00.0000.00719.30
8.1.280.0090.00925.92
8.1.270.0080.00021.96
8.1.260.0090.00626.35
8.1.250.0000.00828.09
8.1.240.0120.00020.56
8.1.230.0070.00421.15
8.1.220.0000.00818.77
8.1.210.0040.00419.09
8.1.200.0060.00317.47
8.1.190.0070.00017.80
8.1.180.0040.00418.10
8.1.170.0060.00318.82
8.1.160.0040.00419.05
8.1.150.0000.00718.67
8.1.140.0000.00817.47
8.1.130.0040.01217.51
8.1.120.0100.00617.71
8.1.110.0140.00417.52
8.1.100.0170.00017.63
8.1.90.0130.00317.50
8.1.80.0120.00417.54
8.1.70.0150.00417.62
8.1.60.0100.01017.66
8.1.50.0140.00517.58
8.1.40.0150.00417.66
8.1.30.0180.00017.79
8.1.20.0130.00217.67
8.1.10.0150.00417.65
8.1.00.0120.00617.58
8.0.300.0080.00419.99
8.0.290.0090.00316.75
8.0.280.0030.00318.60
8.0.270.0000.00717.31
8.0.260.0150.00016.78
8.0.250.0110.00716.87
8.0.240.0080.01016.92
8.0.230.0120.00316.86
8.0.220.0120.00316.68
8.0.210.0110.00516.80
8.0.200.0170.00016.86
8.0.190.0150.00016.89
8.0.180.0110.00716.74
8.0.170.0130.00316.85
8.0.160.0050.01016.85
8.0.150.0080.00816.87
8.0.140.0090.00616.83
8.0.130.0150.00016.79
8.0.120.0160.00016.87
8.0.110.0140.00016.85
8.0.100.0090.00516.76
8.0.90.0170.00016.88
8.0.80.0110.00616.79
8.0.70.0030.01016.75
8.0.60.0090.00516.81
8.0.50.0130.00016.85
8.0.30.0000.01416.91
8.0.20.0100.00316.93
8.0.10.0090.00516.80
7.4.330.0130.00015.88
7.4.320.0090.00716.44
7.4.300.0190.00016.34
7.4.290.0160.00016.57
7.4.280.0130.00316.52
7.4.270.0150.00316.32
7.4.260.0100.00716.41
7.4.250.0040.00416.46
7.4.240.0030.01016.44
7.4.230.0030.00916.45
7.4.220.0110.00416.56
7.4.210.0080.00616.36
7.4.200.0060.00616.36
7.4.190.0040.00416.52
7.4.180.0100.00016.57
7.4.160.0000.01116.40
7.4.150.0080.00816.38
7.4.140.0130.00316.48
7.4.130.0140.00216.51
7.4.120.0140.00216.49
7.4.110.0100.00716.45
7.4.100.0160.00016.42
7.4.90.0100.00716.45
7.4.80.0120.00316.40
7.4.70.0000.01516.46
7.4.60.0140.00016.27
7.4.50.0080.00816.39
7.4.40.0110.00316.21
7.4.30.0150.00016.44
7.4.20.0070.00716.38
7.4.10.0100.00516.34
7.4.00.0100.00516.30

preferences:
48.19 ms | 400 KiB | 5 Q