3v4l.org

run code in 300+ PHP versions simultaneously
<?php $utf8_str = "苫小牧"; echo 'UTF-8 as hex: ' . bin2hex($utf8_str) . PHP_EOL; $sjis_str = mb_convert_encoding($utf8_str, 'SJIS', 'UTF-8'); echo 'SJIS as hex: ' . bin2hex($sjis_str) . PHP_EOL; // detect encoding of $str $encode = mb_detect_encoding($sjis_str, 'EUC-JP,UTF-8,SJIS'); echo 'Detected encoding: ' . $encode . PHP_EOL; $euc_str = mb_convert_encoding( $sjis_str, "EUC-JP",$encode); echo 'EUC as hex: ' . bin2hex($euc_str) . PHP_EOL;

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)
8.5.00.0040.00720.18
8.4.150.0020.00014.05
8.4.140.0140.00717.78
8.4.130.0040.00518.00
8.4.120.0100.01020.85
8.4.110.0110.00922.60
8.4.100.0140.00617.64
8.4.90.0090.00722.64
8.4.80.0070.00419.52
8.4.70.0090.00718.07
8.4.60.0150.00518.88
8.4.50.0100.01218.77
8.4.40.0130.00717.86
8.4.30.0130.00322.05
8.4.20.0070.01317.95
8.4.10.0100.00723.76
8.3.280.0120.00818.43
8.3.270.0130.00816.73
8.3.260.0140.00516.64
8.3.250.0110.00720.81
8.3.240.0150.00416.54
8.3.230.0060.00316.79
8.3.220.0040.00419.01
8.3.210.0110.00916.54
8.3.200.0040.00416.57
8.3.190.0050.00317.08
8.3.180.0080.00318.73
8.3.170.0120.00618.85
8.3.160.0130.00618.87
8.3.150.0140.00417.38
8.3.140.0180.00416.76
8.3.130.0060.00318.66
8.3.120.0050.00520.78
8.3.110.0030.00618.55
8.3.100.0030.00616.89
8.3.90.0110.00716.76
8.3.80.0090.00018.43
8.3.70.0090.01216.88
8.3.60.0150.00616.74
8.3.50.0150.00616.61
8.3.40.0140.00420.52
8.3.30.0030.01020.32
8.3.20.0090.00024.18
8.3.10.0040.00424.66
8.3.00.0000.00826.16
8.2.290.0120.00720.38
8.2.280.0120.00718.17
8.2.270.0100.01017.05
8.2.260.0070.01018.73
8.2.250.0150.00016.68
8.2.240.0040.01117.15
8.2.230.0120.00320.94
8.2.220.0160.00324.06
8.2.210.0000.00826.77
8.2.200.0030.00616.63
8.2.190.0140.00716.63
8.2.180.0040.01116.75
8.2.170.0120.00922.96
8.2.160.0090.00822.96
8.2.150.0040.00425.66
8.2.140.0040.00424.66
8.2.130.0080.00026.16
8.2.120.0040.00422.33
8.2.110.0060.00320.99
8.2.100.0040.00819.34
8.2.90.0000.00917.84
8.2.80.0040.00420.49
8.2.70.0000.00817.75
8.2.60.0080.00018.00
8.2.50.0030.00617.75
8.2.40.0000.00819.73
8.2.30.0050.00317.75
8.2.20.0030.00617.75
8.2.10.0000.00818.00
8.2.00.0000.00817.88
8.1.330.0110.00821.80
8.1.320.0130.00718.10
8.1.310.0110.00716.63
8.1.300.0090.00918.03
8.1.290.0100.00018.88
8.1.280.0120.00325.92
8.1.270.0080.00024.66
8.1.260.0040.00426.35
8.1.250.0070.00028.09
8.1.240.0030.00622.14
8.1.230.0040.00720.89
8.1.220.0080.00017.74
8.1.210.0000.00819.02
8.1.200.0030.00517.48
8.1.190.0080.00017.48
8.1.180.0030.00617.48
8.1.170.0030.00617.47
8.1.160.0050.00317.59
8.1.150.0000.00817.59
8.1.140.0060.00317.47
8.1.130.0040.00717.47
8.1.120.0080.00017.60
8.1.110.0060.00317.72
8.1.100.0080.00017.47
8.1.90.0040.00417.60
8.1.80.0000.00817.59
8.1.70.0040.00417.47
8.1.60.0050.00519.51
8.1.50.0040.00417.72
8.1.40.0000.00817.72
8.1.30.0080.00017.75
8.1.20.0060.00319.51
8.1.10.0050.00317.59
8.1.00.0080.00017.47
8.0.300.0040.00420.27
8.0.290.0050.00316.88
8.0.280.0000.00716.75
8.0.270.0000.00716.75
8.0.260.0030.00516.88
8.0.250.0090.00016.88
8.0.240.0000.00816.88
8.0.230.0040.00417.00
8.0.220.0030.00516.88
8.0.210.0000.00816.88
8.0.200.0070.00016.88
8.0.190.0040.00416.88
8.0.180.0040.00416.88
8.0.170.0050.00316.88
8.0.160.0000.00716.75
8.0.150.0080.00016.88
8.0.140.0040.00416.88
8.0.130.0060.00316.88
8.0.120.0030.00516.75
8.0.110.0000.00816.75
8.0.100.0030.00716.88
8.0.90.0040.00418.61
8.0.80.0050.00316.75
8.0.70.0000.00918.62
8.0.60.0000.00916.63
8.0.50.0050.00316.75
8.0.30.0030.00716.75
8.0.20.0030.00616.88
8.0.10.0050.00316.88
5.6.400.0220.00515.69

preferences:
31.88 ms | 403 KiB | 5 Q