3v4l.org

run code in 300+ PHP versions simultaneously
<?php $encodings = [ 'BASE64', 'HTML-ENTITIES', 'Quoted-Printable', 'UTF-16', 'UTF-16BE', 'UTF-16LE', 'UTF-7', 'UTF7-IMAP', 'JIS', 'ISO-2022-JP', 'ISO-2022-JP-MS', 'GB18030', 'HZ', 'ISO-2022-KR', 'ISO-2022-JP-2004', 'ISO-2022-JP-MOBILE#KDDI', 'CP50220', 'CP50221', 'CP50222', ]; foreach($encodings as $encoding) { var_dump(mb_strcut('???', 0, 2, $encoding)); } ?>

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)
8.4.120.0090.01119.85
8.4.110.0050.00419.63
8.4.100.0140.00718.98
8.4.90.0080.01220.70
8.4.80.0090.00919.20
8.4.70.0040.00519.01
8.4.60.0120.00818.81
8.4.50.0120.00818.91
8.4.40.0070.01320.05
8.4.30.0040.00418.89
8.4.20.0100.00518.00
8.4.10.0030.00621.79
8.3.250.0050.00617.03
8.3.240.0150.00816.93
8.3.230.0070.00217.16
8.3.220.0110.00819.28
8.3.210.0100.00816.95
8.3.200.0040.00517.08
8.3.190.0110.00419.16
8.3.180.0140.00519.20
8.3.170.0180.00417.13
8.3.160.0070.00017.48
8.3.150.0110.00717.54
8.3.140.0110.00418.87
8.3.130.0080.00016.82
8.3.120.0150.00318.95
8.3.110.0130.00316.88
8.3.100.0160.00317.25
8.3.90.0060.00320.77
8.3.80.0040.00416.88
8.3.70.0070.01418.92
8.3.60.0120.00318.86
8.3.50.0100.01020.75
8.3.40.0110.00320.72
8.3.30.0100.00718.72
8.3.20.0030.00524.18
8.3.10.0030.00624.66
8.3.00.0050.00326.16
8.2.290.0110.00916.96
8.2.280.0140.00518.78
8.2.270.0130.00617.20
8.2.260.0120.00616.95
8.2.250.0090.00618.55
8.2.240.0130.00617.41
8.2.230.0040.00720.94
8.2.220.0080.00824.06
8.2.210.0080.00026.77
8.2.200.0070.01116.88
8.2.190.0180.00016.75
8.2.180.0180.00425.92
8.2.170.0170.00019.36
8.2.160.0170.00322.96
8.2.150.0040.00425.66
8.2.140.0020.00524.66
8.2.130.0050.00326.16
8.2.120.0000.00726.16
8.2.110.0040.00721.30
8.2.100.0040.00818.16
8.2.90.0000.00818.00
8.2.80.0030.00619.03
8.2.70.0040.00418.00
8.2.60.0000.00818.00
8.2.50.0080.00018.13
8.2.40.0040.00420.07
8.2.30.0000.00718.33
8.2.20.0080.00019.65
8.2.10.0040.00418.41
8.2.00.0070.00019.60
8.1.330.0140.00616.42
8.1.320.0070.00518.39
8.1.310.0170.00316.04
8.1.300.0090.00620.21
8.1.290.0040.00818.88
8.1.280.0110.00325.92
8.1.270.0040.00424.66
8.1.260.0040.00426.35
8.1.250.0000.00828.09
8.1.240.0000.00919.46
8.1.230.0040.00821.22
8.1.220.0040.00418.82
8.1.210.0030.00618.77
8.1.200.0050.00317.73
8.1.190.0000.00817.73
8.1.180.0040.00418.10
8.1.170.0080.00017.62
8.1.160.0000.00719.24
8.1.150.0000.00718.90
8.1.140.0000.00717.66
8.1.130.0030.00319.32
8.1.120.0050.00317.67
8.1.110.0000.00717.66
8.1.100.0090.00517.72
8.1.90.0100.00517.72
8.1.80.0130.00317.56
8.1.70.0120.00317.68
8.1.60.0060.01217.77
8.1.50.0110.00817.73
8.1.40.0180.00017.70
8.1.30.0100.00917.89
8.1.20.0000.01817.82
8.1.10.0120.00517.63
8.1.00.0150.00417.68
8.0.300.0000.00718.77
8.0.290.0050.00316.88
8.0.280.0080.00018.63
8.0.270.0080.00017.03
8.0.260.0030.00318.50
8.0.250.0070.00017.02
8.0.240.0000.00917.02
8.0.230.0160.00017.02
8.0.220.0080.00816.95
8.0.210.0060.00916.91
8.0.200.0150.00016.95
8.0.190.0110.00516.93
8.0.180.0080.00816.94
8.0.170.0150.00017.00
8.0.160.0110.00316.98
8.0.150.0030.01216.89
8.0.140.0080.00816.91
8.0.130.0170.00017.10
8.0.120.0150.00016.98
8.0.110.0070.00717.06
8.0.100.0000.01416.91
8.0.90.0090.00616.92
8.0.80.0110.00416.94
8.0.70.0050.01017.00
8.0.60.0150.00016.92
8.0.50.0110.00516.95
8.0.30.0160.00016.95
8.0.20.0080.00717.16
8.0.10.0100.00517.25
7.4.330.0020.00215.55
7.4.320.0000.00716.91
7.4.300.0140.00316.75
7.4.290.0090.00916.86
7.4.280.0160.00016.77
7.4.270.0160.00016.86
7.4.260.0120.00616.72
7.4.250.0170.00016.81
7.4.240.0110.00516.69
7.4.230.0080.00816.88
7.4.220.0050.00916.79
7.4.210.0110.00316.76
7.4.200.0110.00316.78
7.4.190.0060.01116.92
7.4.180.0100.00516.79
7.4.160.0120.00316.70
7.4.150.0070.00716.79
7.4.140.0140.00016.66
7.4.130.0110.00016.64
7.4.120.0060.00416.61
7.4.110.0070.00416.60
7.4.100.0070.00316.78
7.4.90.0050.00216.80
7.4.80.0000.00616.63
7.4.70.0030.00316.49
7.4.60.0040.00416.46
7.4.50.0040.00416.57
7.4.40.0030.00316.55
7.4.30.0020.00516.46
7.4.20.0050.00316.63
7.4.10.0050.00216.55
7.4.00.0070.00016.54

preferences:
69.27 ms | 403 KiB | 5 Q