3v4l.org

run code in 300+ PHP versions simultaneously
<?php var_dump(mb_detect_encoding('&', 'UTF7-IMAP', false)); var_dump(mb_convert_encoding('&', 'UTF-8', 'UTF7-IMAP'));

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)
8.4.140.0130.00717.37
8.4.130.0130.00717.76
8.4.120.0060.00420.53
8.4.110.0130.00718.96
8.4.100.0090.01117.67
8.4.90.0100.00920.70
8.4.80.0040.00520.49
8.4.70.0040.00418.70
8.4.60.0130.01020.48
8.4.50.0100.01022.27
8.4.40.0160.00320.46
8.4.30.0040.00420.58
8.4.20.0130.00619.92
8.4.10.0160.00623.80
8.3.260.0100.00916.52
8.3.250.0120.00618.91
8.3.240.0120.00716.39
8.3.230.0150.00416.40
8.3.220.0130.00518.84
8.3.210.0110.00716.72
8.3.200.0070.00416.71
8.3.190.0080.01017.13
8.3.180.0100.00720.52
8.3.170.0170.00017.17
8.3.160.0040.00418.32
8.3.150.0170.00016.58
8.3.140.0050.00318.84
8.3.130.0120.00618.25
8.3.120.0030.00618.97
8.3.110.0070.00420.94
8.3.100.0040.00424.06
8.3.90.0040.00426.77
8.3.80.0030.00617.97
8.3.70.0070.01416.62
8.3.60.0040.01118.43
8.3.50.0070.01416.48
8.3.40.0100.00321.90
8.3.30.0140.00418.59
8.3.20.0040.00424.18
8.3.10.0080.00024.66
8.3.00.0060.00326.16
8.2.290.0130.00516.88
8.2.280.0070.01118.35
8.2.270.0090.00916.80
8.2.260.0080.00017.22
8.2.250.0040.00416.38
8.2.240.0070.00016.33
8.2.230.0090.00022.58
8.2.220.0130.00637.54
8.2.210.0120.00326.77
8.2.200.0030.00618.16
8.2.190.0110.00418.16
8.2.180.0090.01218.16
8.2.170.0120.00318.90
8.2.160.0040.01222.96
8.2.150.0040.00425.66
8.2.140.0000.00724.66
8.2.130.0040.00426.16
8.2.120.0040.00426.16
8.2.110.0120.00919.27
8.2.100.0090.00317.72
8.2.90.0040.00417.59
8.2.80.0000.00717.97
8.2.70.0040.00417.34
8.2.60.0030.00617.38
8.2.50.0040.00417.63
8.2.40.0060.00317.89
8.2.30.0110.00617.62
8.2.20.0120.00417.62
8.2.10.0130.00417.62
8.2.00.0080.00817.62
8.1.330.0070.00817.88
8.1.320.0110.01219.64
8.1.310.0100.00716.82
8.1.300.0080.00017.76
8.1.290.0030.01430.84
8.1.280.0070.01425.92
8.1.270.0040.00424.66
8.1.260.0070.00026.35
8.1.250.0000.00828.09
8.1.240.0040.00422.35
8.1.230.0000.01120.72
8.1.220.0030.00617.74
8.1.210.0000.00818.77
8.1.200.0060.00317.22
8.1.190.0000.00817.10
8.1.180.0070.00018.10
8.1.170.0040.00419.13
8.1.160.0050.01017.62
8.1.150.0120.00617.62
8.1.140.0090.00917.62
8.1.130.0120.00317.62
8.1.120.0120.00417.62
8.1.110.0040.01217.62
8.1.100.0130.00317.62
8.1.90.0120.00417.62
8.1.80.0080.00817.62
8.1.70.0000.01517.62
8.1.60.0140.00517.62
8.1.50.0120.00417.62
8.1.40.0100.01017.62
8.1.30.0130.00617.62
8.1.20.0110.00717.62
8.1.10.0040.01417.62
8.1.00.0190.00017.62
8.0.300.0000.00719.98
8.0.290.0040.00416.63
8.0.280.0130.00417.62
8.0.270.0050.01417.62
8.0.260.0160.00017.62
8.0.250.0080.00817.62
8.0.240.0140.00317.62
8.0.230.0120.00617.62
8.0.220.0080.00817.62
8.0.210.0110.00517.62
8.0.200.0100.00617.62
8.0.190.0120.00417.62
8.0.180.0110.00417.62
8.0.170.0100.00517.62
8.0.160.0080.00817.62
8.0.150.0180.00017.62
8.0.140.0130.00317.62
8.0.130.0080.00817.62
8.0.120.0160.00017.62
8.0.110.0130.00317.62
8.0.100.0100.00717.62
8.0.90.0130.00317.62
8.0.80.0080.00817.62
8.0.70.0100.00617.62
8.0.60.0140.00317.62
8.0.50.0130.00317.62
8.0.30.0090.00517.62
8.0.20.0050.01117.62
8.0.10.0150.00017.62

preferences:
33.45 ms | 403 KiB | 5 Q