3v4l.org

run code in 300+ PHP versions simultaneously
<?php mb_internal_encoding('ISO-8859-1'); echo 'Subject: ', mb_decode_mimeheader('=?UTF-8?B?w5DCncOQwr7DkMKyw5HCi8OQwrkgw5DCssOQwr7DkMK/w5E=?= =?UTF-8?B?woDDkMK+w5HCgSDDkMK9w5DCsCDDkcKBw5DCsMOQwrnDkcKCw5DCtSA=?= =?UTF-8?B?Y3JlZGl0Y2FyZHNvbmxpbmUucnU=?='); $name = 'Добавлен новый комментарий к вопросу на ff.ru'; $addr = mb_encode_mimeheader($name, "ISO-8859-1", "B"); echo $addr;

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)
8.3.60.0150.00618.18
8.3.50.0160.00522.06
8.3.40.0110.00418.71
8.3.30.0120.00319.04
8.3.20.0000.00820.13
8.3.10.0080.00020.52
8.3.00.0080.00019.56
8.2.180.0070.01418.41
8.2.170.0070.01522.96
8.2.160.0160.00320.56
8.2.150.0040.00424.18
8.2.140.0030.00524.66
8.2.130.0000.00826.16
8.2.120.0100.00322.28
8.2.110.0060.00321.12
8.2.100.0060.00618.22
8.2.90.0040.00419.48
8.2.80.0030.00517.97
8.2.70.0040.00417.75
8.2.60.0080.00018.05
8.2.50.0060.00318.07
8.2.40.0050.00218.33
8.2.30.0060.00319.42
8.2.20.0050.00317.93
8.2.10.0000.00718.43
8.2.00.0030.00618.07
8.1.280.0070.01425.92
8.1.270.0050.00324.08
8.1.260.0050.00326.35
8.1.250.0070.00028.09
8.1.240.0040.00421.56
8.1.230.0040.00819.61
8.1.220.0060.00317.90
8.1.210.0040.00418.77
8.1.200.0040.00817.48
8.1.190.0040.00417.60
8.1.180.0060.00318.10
8.1.170.0030.00518.78
8.1.160.0030.00522.23
8.1.150.0040.00418.96
8.1.140.0000.00717.50
8.1.130.0000.00817.96
8.1.120.0040.00417.59
8.1.110.0030.00517.48
8.1.100.0040.00417.62
8.1.90.0000.00717.58
8.1.80.0030.00417.46
8.1.70.0000.00717.51
8.1.60.0080.00017.66
8.1.50.0090.00017.55
8.1.40.0040.00417.65
8.1.30.0060.00317.75
8.1.20.0080.00017.81
8.1.10.0070.00017.69
8.1.00.0000.00717.71
8.0.300.0040.00418.77
8.0.290.0040.00416.75
8.0.280.0030.00318.57
8.0.270.0080.00017.40
8.0.260.0030.00517.39
8.0.250.0000.00717.12
8.0.240.0050.00217.04
8.0.230.0070.00017.00
8.0.220.0030.00316.87
8.0.210.0030.00316.85
8.0.200.0040.00416.91
8.0.190.0040.00416.93
8.0.180.0050.00316.95
8.0.170.0040.00417.01
8.0.160.0030.00317.07
8.0.150.0000.00716.89
8.0.140.0030.00616.85
8.0.130.0050.00013.43
8.0.120.0090.00016.96
8.0.110.0040.00416.86
8.0.100.0040.00416.93
8.0.90.0000.00716.83
8.0.80.0170.00416.94
8.0.70.0040.00416.86
8.0.60.0000.00816.78
8.0.50.0000.00716.91
8.0.30.0180.00517.22
8.0.20.0140.00817.40
8.0.10.0060.00316.91
8.0.00.0110.00916.90
7.4.330.0000.00515.09
7.4.320.0000.00616.57
7.4.300.0070.00016.64
7.4.290.0040.00416.57
7.4.280.0070.00016.46
7.4.270.0070.00016.50
7.4.260.0000.00716.48
7.4.250.0030.00616.57
7.4.240.0070.00016.69
7.4.230.0030.00316.72
7.4.220.0040.01516.71
7.4.210.0050.00816.68
7.4.200.0050.00216.55
7.4.160.0090.00616.71
7.4.150.0100.00717.40
7.4.140.0050.01217.86
7.4.130.0080.01016.70
7.4.120.0090.01016.68
7.4.110.0060.00916.46
7.4.100.0100.00716.48
7.4.90.0100.01016.50
7.4.80.0080.00816.66
7.4.70.0080.01116.50
7.4.60.0090.01216.63
7.4.50.0000.00816.66
7.4.40.0090.00916.39
7.4.30.0090.01216.48
7.4.00.0070.00715.01
7.3.330.0000.00613.24
7.3.320.0030.00313.14
7.3.310.0000.00716.16
7.3.300.0030.00316.25
7.3.290.0000.01316.36
7.3.280.0070.00816.32
7.3.270.0130.00317.40
7.3.260.0050.01316.55
7.3.250.0090.00916.57
7.3.240.0060.01116.48
7.3.230.0090.00916.43
7.3.210.0090.00916.41
7.3.200.0060.01319.39
7.3.190.0150.00616.35
7.3.180.0070.01016.18
7.3.170.0030.01616.64
7.3.160.0060.01016.58
7.2.330.0030.01416.75
7.2.320.0090.01216.77
7.2.310.0030.01416.78
7.2.300.0140.00316.66
7.2.290.0140.00916.70
7.2.00.0030.00919.36
7.1.200.0030.00716.15
7.1.100.0160.00018.26
7.1.70.0070.01117.25
7.1.60.0100.01319.32
7.1.50.0060.01616.99
7.1.00.0130.06322.44
7.0.200.0000.00916.98
7.0.140.0070.07021.95
7.0.60.0070.05019.91
7.0.50.0100.08017.88
7.0.40.0200.05020.23
7.0.30.0370.06020.14
7.0.20.0270.06320.17
7.0.10.0030.06020.18
7.0.00.0170.06319.96
5.6.280.0030.07320.92
5.6.210.0130.08020.49
5.6.200.0030.06018.16
5.6.190.0030.08020.65
5.6.180.0370.06720.50
5.6.170.0330.05020.49
5.6.160.0000.07020.52
5.6.150.0030.05018.11
5.6.140.0030.08318.16
5.6.130.0130.07018.20
5.6.120.0030.05020.84
5.6.110.0070.05021.10
5.6.100.0170.06720.93
5.6.90.0230.06721.17
5.6.80.0030.07020.38
5.5.350.0200.04020.43
5.5.340.0030.08318.02
5.5.330.0000.05020.40
5.5.320.0300.06720.29
5.5.310.0130.05320.26
5.5.300.0200.06017.91
5.5.290.0030.08717.89
5.5.280.0100.03720.87
5.5.270.0000.05320.82
5.5.260.0000.08020.83
5.5.250.0130.05320.68
5.5.240.0130.08320.34
5.4.450.0100.07019.52
5.4.440.1100.07319.45
5.4.430.0870.06319.23
5.4.420.0670.05719.45
5.4.410.0870.06019.13
5.4.400.0700.06019.15
5.4.390.0030.06019.26
5.4.380.0530.06718.56
5.4.370.0330.05018.61
5.4.360.0370.07718.68
5.4.350.0330.05018.58
5.4.340.0330.04718.62
5.4.320.0040.03712.45
5.4.310.0020.04112.45
5.4.300.0050.03612.45
5.4.290.0060.03712.45
5.4.280.0100.03012.34
5.4.270.0050.03612.35
5.4.260.0030.04012.34
5.4.250.0060.03712.35
5.4.240.0040.03812.34
5.4.230.0080.04312.34
5.4.220.0090.03212.34
5.4.210.0040.03712.34
5.4.200.0040.03912.34
5.4.190.0070.03512.33
5.4.180.0040.03912.33
5.4.170.0110.03812.34
5.4.160.0040.04112.34
5.4.150.0080.03312.34
5.4.140.0050.03812.02
5.4.130.0080.03312.01
5.4.120.0070.03911.96
5.4.110.0080.03711.96
5.4.100.0080.03711.96
5.4.90.0050.03711.96
5.4.80.0060.03711.96
5.4.70.0060.04411.96
5.4.60.0040.03911.96
5.4.50.0050.03611.96
5.4.40.0030.04111.95
5.4.30.0060.03811.95
5.4.20.0050.04111.95
5.4.10.0080.03311.95
5.4.00.0060.03511.44
5.3.290.0100.03412.80
5.3.280.0060.03712.71
5.3.270.0050.03912.72
5.3.260.0100.03612.72
5.3.250.0060.03712.72
5.3.240.0040.03912.71
5.3.230.0040.03912.71
5.3.220.0090.03912.68
5.3.210.0040.04312.68
5.3.200.0080.03412.68
5.3.190.0080.03912.68
5.3.180.0050.03712.68
5.3.170.0100.03712.67
5.3.160.0080.03612.67
5.3.150.0060.04012.67
5.3.140.0080.03612.66
5.3.130.0090.03812.66
5.3.120.0040.04212.66
5.3.110.0070.04112.66
5.3.100.0070.03512.12
5.3.90.0050.03712.09
5.3.80.0040.03812.07
5.3.70.0050.03712.08
5.3.60.0090.03312.06
5.3.50.0060.03812.00
5.3.40.0060.03612.00
5.3.30.0020.03911.95
5.3.20.0080.03611.72
5.3.10.0080.03811.69
5.3.00.0080.03411.68
5.2.170.0040.0319.18
5.2.160.0040.0299.18
5.2.150.0030.0329.18
5.2.140.0070.0289.17
5.2.130.0080.0269.14
5.2.120.0080.0349.14
5.2.110.0090.0309.14
5.2.100.0030.0349.14
5.2.90.0020.0329.14
5.2.80.0060.0309.13
5.2.70.0030.0339.14
5.2.60.0040.0329.09
5.2.50.0050.0389.06
5.2.40.0050.0289.04
5.2.30.0070.0289.01
5.2.20.0040.0299.00
5.2.10.0060.0298.92
5.2.00.0040.0328.78
5.1.60.0070.0228.06
5.1.50.0060.0248.06
5.1.40.0060.0258.04
5.1.30.0050.0328.39
5.1.20.0030.0278.41
5.1.10.0040.0258.13
5.1.00.0030.0268.14
5.0.50.0040.0206.61
5.0.40.0020.0206.48
5.0.30.0050.0366.29
5.0.20.0050.0196.26
5.0.10.0040.0196.23
5.0.00.0030.0316.23
4.4.90.0020.0204.78
4.4.80.0010.0174.75
4.4.70.0010.0174.75
4.4.60.0040.0154.75
4.4.50.0040.0184.77
4.4.40.0000.0274.71
4.4.30.0020.0164.76
4.4.20.0040.0144.84
4.4.10.0030.0154.85
4.4.00.0030.0244.76
4.3.110.0030.0164.66
4.3.100.0020.0154.66
4.3.90.0020.0164.64
4.3.80.0040.0234.58
4.3.70.0020.0154.63
4.3.60.0020.0154.63
4.3.50.0010.0174.63
4.3.40.0040.0224.54
4.3.30.0020.0163.29
4.3.20.0010.0173.25
4.3.10.0020.0153.22
4.3.00.0100.0206.98

preferences:
48.54 ms | 401 KiB | 5 Q