3v4l.org

run code in 300+ PHP versions simultaneously
<?php $encodings = [ 'BASE64', 'HTML-ENTITIES', 'Quoted-Printable', 'UTF-16', 'UTF-16BE', 'UTF-16LE', 'UTF-7', 'UTF7-IMAP', 'JIS', 'ISO-2022-JP', 'ISO-2022-JP-MS', 'GB18030', 'HZ', 'ISO-2022-KR', 'ISO-2022-JP-2004', 'ISO-2022-JP-MOBILE#KDDI', 'CP50220', 'CP50221', 'CP50222', ]; $input = '宛如繁星般宛如皎月般'; $bytes_length = 15; foreach($encodings as $encoding) { $converted_str = mb_convert_encoding($input, $encoding, mb_internal_encoding()); $cut_str = mb_strcut($converted_str, 0, $bytes_length, $encoding); $reconverted_str = mb_convert_encoding($cut_str, mb_internal_encoding(), $encoding); echo $encoding.': '.$reconverted_str.PHP_EOL; } echo PHP_EOL; $input = '星のように月のように'; $bytes_length = 20; foreach($encodings as $encoding) { $converted_str = mb_convert_encoding($input, $encoding, mb_internal_encoding()); $cut_str = mb_strcut($converted_str, 0, $bytes_length, $encoding); $reconverted_str = mb_convert_encoding($cut_str, mb_internal_encoding(), $encoding); echo $encoding.': '.$reconverted_str.PHP_EOL; } echo PHP_EOL; $input = 'あaいb'; $bytes_length = 10; foreach($encodings as $encoding) { $converted_str = mb_convert_encoding($input, $encoding, mb_internal_encoding()); $cut_str = mb_strcut($converted_str, 0, $bytes_length, $encoding); $reconverted_str = mb_convert_encoding($cut_str, mb_internal_encoding(), $encoding); echo $encoding.': '.$reconverted_str.PHP_EOL; } echo PHP_EOL; $input = 'AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA'; $bytes_length = 10; foreach($encodings as $encoding) { $converted_str = mb_convert_encoding($input, $encoding, mb_internal_encoding()); $cut_str = mb_strcut($converted_str, 0, $bytes_length, $encoding); $reconverted_str = mb_convert_encoding($cut_str, mb_internal_encoding(), $encoding); echo $encoding.': '.$reconverted_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)
8.4.120.0060.00520.77
8.4.110.0080.01023.00
8.4.100.0110.00418.45
8.4.90.0120.01119.01
8.4.80.0060.00318.52
8.4.70.0080.00918.52
8.4.60.0090.00720.94
8.4.50.0080.00719.98
8.4.40.0140.00720.11
8.4.30.0100.01020.95
8.4.20.0100.00718.36
8.4.10.0000.00922.01
8.3.250.0150.00519.41
8.3.240.0050.00517.43
8.3.230.0050.00417.32
8.3.220.0100.01017.75
8.3.210.0110.00917.38
8.3.200.0130.00417.30
8.3.190.0050.00617.47
8.3.180.0050.00517.24
8.3.170.0060.01319.30
8.3.160.0030.00717.18
8.3.150.0030.00621.20
8.3.140.0090.00017.25
8.3.130.0120.01217.24
8.3.120.0030.00621.09
8.3.110.0090.00917.20
8.3.100.0060.00317.01
8.3.90.0080.00026.77
8.3.80.0030.00717.13
8.3.70.0100.01016.98
8.3.60.0060.00918.66
8.3.50.0150.00820.97
8.3.40.0040.01120.84
8.3.30.0100.00718.89
8.3.20.0040.00424.18
8.3.10.0090.00024.66
8.3.00.0040.00426.16
8.2.290.0100.00620.48
8.2.280.0090.00918.67
8.2.270.0000.00817.54
8.2.260.0040.00418.79
8.2.250.0060.00616.80
8.2.240.0000.01016.86
8.2.230.0030.00720.94
8.2.220.0040.00424.06
8.2.210.0040.01626.77
8.2.200.0040.00817.00
8.2.190.0120.00317.13
8.2.180.0110.00425.92
8.2.170.0140.00319.33
8.2.160.0080.00822.96
8.2.150.0030.00525.66
8.2.140.0080.00024.66
8.2.130.0080.00026.16
8.2.120.0040.00426.16
8.2.110.0030.00620.65
8.2.100.0100.00318.16
8.2.90.0000.00818.11
8.2.80.0060.00319.13
8.2.70.0000.00817.75
8.2.60.0040.00418.00
8.2.50.0080.00017.98
8.2.40.0040.00418.22
8.2.30.0050.00518.34
8.2.20.0080.00019.63
8.2.10.0050.00318.52
8.2.00.0040.00419.59
8.1.330.0100.00921.73
8.1.320.0130.00816.31
8.1.310.0060.00318.31
8.1.300.0100.00016.17
8.1.290.0000.01030.84
8.1.280.0110.00725.92
8.1.270.0050.00324.66
8.1.260.0040.00426.35
8.1.250.0060.00328.09
8.1.240.0030.00724.24
8.1.230.0060.00621.05
8.1.220.0060.00318.74
8.1.210.0080.00018.77
8.1.200.0000.00817.60
8.1.190.0000.00817.60
8.1.180.0080.00018.10
8.1.170.0000.00817.72
8.1.160.0030.00619.23
8.1.150.0090.00018.93
8.1.140.0080.00017.82
8.1.130.0040.00419.28
8.1.120.0090.00017.71
8.1.110.0030.00617.74
8.1.100.0110.00317.81
8.1.90.0050.01117.66
8.1.80.0120.00217.74
8.1.70.0090.00717.71
8.1.60.0150.00317.75
8.1.50.0150.00417.77
8.1.40.0120.00717.73
8.1.30.0120.00617.87
8.1.20.0120.00817.89
8.1.10.0160.00317.72
8.1.00.0130.00417.74
8.0.300.0050.00318.77
8.0.290.0080.00016.88
8.0.280.0000.00718.70
8.0.270.0000.00717.53
8.0.260.0030.00318.70
8.0.250.0000.00717.17
8.0.240.0030.00617.05
8.0.230.0060.00517.11
8.0.220.0120.00316.98
8.0.210.0090.00617.07
8.0.200.0130.00417.07
8.0.190.0070.01017.12
8.0.180.0100.00617.10
8.0.170.0070.00717.08
8.0.160.0140.00217.07
8.0.150.0170.00017.03
8.0.140.0100.00716.97
8.0.130.0130.00316.96
8.0.120.0090.00617.07
8.0.110.0090.00617.05
8.0.100.0120.00417.02
8.0.90.0080.00817.00
8.0.80.0160.00017.06
8.0.70.0090.00717.01
8.0.60.0110.00517.08
8.0.50.0110.00417.01
8.0.30.0080.00817.01
8.0.20.0070.00917.07
8.0.10.0120.00417.20
7.4.330.0000.00515.55
7.4.320.0000.00716.98
7.4.300.0080.00616.78
7.4.290.0120.00316.79
7.4.280.0090.00916.80
7.4.270.0100.00716.85
7.4.260.0070.00916.87
7.4.250.0090.00516.79
7.4.240.0070.00816.79
7.4.230.0130.00416.85
7.4.220.0100.00516.77
7.4.210.0120.00416.84
7.4.200.0090.00716.83
7.4.190.0120.00516.83
7.4.180.0080.00716.88
7.4.160.0100.00616.91
7.4.150.0110.00616.76
7.4.140.0120.00416.80
7.4.130.0150.00216.71
7.4.120.0130.00316.65
7.4.110.0050.00916.61
7.4.100.0100.00416.79
7.4.90.0090.00516.70
7.4.80.0090.00716.72
7.4.70.0090.00516.74
7.4.60.0090.00716.70
7.4.50.0100.00516.53
7.4.40.0100.00516.63
7.4.30.0110.00516.63
7.4.20.0100.00416.70
7.4.10.0100.00416.63
7.4.00.0080.00816.62

preferences:
100.17 ms | 403 KiB | 5 Q