3v4l.org

run code in 300+ PHP versions simultaneously
<?php mb_internal_encoding('ISO-2022-JP'); var_dump( mb_decode_mimeheader( mb_encode_mimeheader( mb_convert_encoding( "あいうえおかきくけこさしすせそたちつてとなにぬねのはひふへほまみむめもやいゆえよらりるれろわゐうゑをん", "ISO-2022-JP", "UTF-8" ), "ISO-2022-JP" ) ) );

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)
8.5.00.0150.00719.93
8.4.150.0010.00114.05
8.4.140.0110.00917.75
8.4.130.0150.00517.86
8.4.120.0130.00820.72
8.4.110.0070.00418.65
8.4.100.0080.01117.53
8.4.90.0130.00722.29
8.4.80.0030.00617.40
8.4.70.0090.01018.58
8.4.60.0120.00818.66
8.4.50.0110.01222.16
8.4.40.0030.01619.18
8.4.30.0040.01420.29
8.4.20.0140.00719.87
8.4.10.0070.01323.64
8.3.280.0020.00014.05
8.3.270.0110.00816.59
8.3.260.0050.00316.69
8.3.250.0050.00318.68
8.3.240.0120.00716.41
8.3.230.0100.00716.67
8.3.220.0040.00317.07
8.3.210.0060.00218.55
8.3.200.0060.00216.70
8.3.190.0110.00716.84
8.3.180.0110.00718.36
8.3.170.0120.00616.84
8.3.160.0100.01018.33
8.3.150.0090.00918.16
8.3.140.0030.00616.97
8.3.130.0080.00018.41
8.3.120.0100.00718.94
8.3.110.0080.00320.94
8.3.100.0160.00024.06
8.3.90.0030.01626.77
8.3.80.0090.00017.97
8.3.70.0090.00618.05
8.3.60.0090.00918.43
8.3.50.0160.00316.64
8.3.40.0080.00822.13
8.3.30.0110.00418.55
8.3.20.0070.00024.18
8.3.10.0040.00424.66
8.3.00.0080.00026.16
8.2.290.0110.00720.19
8.2.280.0060.00318.31
8.2.270.0130.00617.26
8.2.260.0040.01117.18
8.2.250.0060.00316.68
8.2.240.0060.00318.94
8.2.230.0050.00522.58
8.2.220.0160.00337.54
8.2.210.0070.00726.77
8.2.200.0030.00618.41
8.2.190.0130.00618.41
8.2.180.0140.00716.50
8.2.170.0090.00618.92
8.2.160.0110.00322.96
8.2.150.0070.00025.66
8.2.140.0050.00324.66
8.2.130.0080.00026.16
8.2.120.0040.00426.16
8.2.110.0070.00321.36
8.2.100.0090.00319.69
8.2.90.0040.00417.75
8.2.80.0050.00518.05
8.2.70.0050.00317.93
8.2.60.0090.00018.34
8.2.50.0090.00018.10
8.2.40.0090.00019.47
8.2.30.0120.00718.99
8.2.20.0090.00718.85
8.2.10.0070.01318.91
8.2.00.0180.00018.79
8.1.330.0040.00518.05
8.1.320.0110.00916.27
8.1.310.0100.00718.48
8.1.300.0090.00019.60
8.1.290.0080.00030.84
8.1.280.0030.01725.92
8.1.270.0130.00724.66
8.1.260.0000.00726.35
8.1.250.0040.00428.09
8.1.240.0030.00619.13
8.1.230.0000.01118.95
8.1.220.0000.00817.79
8.1.210.0040.00418.77
8.1.200.0060.00317.35
8.1.190.0050.00517.38
8.1.180.0040.00418.10
8.1.170.0000.00819.09
8.1.160.0040.00418.89
8.1.150.0100.01018.68
8.1.140.0090.00918.64
8.1.130.0130.00518.61
8.1.120.0140.00518.93
8.1.110.0180.00018.88
8.1.100.0130.00718.74
8.1.90.0150.00618.82
8.1.80.0120.00718.88
8.1.70.0180.00218.79
8.1.60.0160.00419.00
8.1.50.0170.00318.80
8.1.40.0180.00620.64
8.1.30.0150.00318.89
8.1.20.0140.01018.93
8.1.10.0200.00518.87
8.1.00.0170.00218.78
8.0.300.0080.00018.77
8.0.290.0040.00416.63
8.0.280.0100.00617.98
8.0.270.0060.01217.99
8.0.260.0140.00518.05
8.0.250.0180.00018.00
8.0.240.0080.00817.98
8.0.230.0130.00218.04
8.0.220.0040.00917.91
8.0.210.0050.01317.87
8.0.200.0070.00317.97
8.0.190.0100.00318.09
8.0.180.0100.00817.98
8.0.170.0110.00318.06
8.0.160.0030.00717.95
8.0.150.0000.01019.82
8.0.140.0000.01418.07
8.0.130.0120.00317.93
8.0.120.0110.00717.92
8.0.110.0130.00317.87
8.0.100.0180.00017.87
8.0.90.0180.00017.99
8.0.80.0100.00718.04
8.0.70.0150.00317.93
8.0.60.0100.00818.02
8.0.50.0130.00717.95
8.0.30.0140.00317.98
8.0.20.0090.00817.94
8.0.10.0120.00619.91

preferences:
29.54 ms | 403 KiB | 5 Q