3v4l.org

run code in 300+ PHP versions simultaneously
<?php mb_internal_encoding('UTF-8'); echo 'Subject: ', mb_encode_mimeheader('Vos commentaires sont très importants pour nous et nous ferons de notre mieux pour vous répondre le plus rapidement possible.', 'UTF-8', 'B');

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)
8.3.60.0090.00918.18
8.3.50.0130.00321.86
8.3.40.0070.01118.45
8.3.30.0100.00718.66
8.3.20.0040.00418.63
8.3.10.0040.00420.96
8.3.00.0040.00419.68
8.2.180.0150.00616.50
8.2.170.0100.01022.96
8.2.160.0000.01420.47
8.2.150.0060.00324.18
8.2.140.0040.00424.66
8.2.130.0050.00326.16
8.2.120.0040.00420.91
8.2.110.0030.00722.08
8.2.100.0080.00417.72
8.2.90.0040.00419.27
8.2.80.0030.00617.97
8.2.70.0000.00817.35
8.2.60.0000.00917.92
8.2.50.0080.00018.07
8.2.40.0000.00818.16
8.2.30.0080.00021.11
8.2.20.0000.00717.52
8.2.10.0070.00017.43
8.2.00.0000.00817.63
8.1.280.0000.01425.92
8.1.270.0000.00823.99
8.1.260.0000.00826.35
8.1.250.0040.00428.09
8.1.240.0060.00322.24
8.1.230.0040.00717.45
8.1.220.0060.00317.74
8.1.210.0080.00018.77
8.1.200.0060.00317.11
8.1.190.0030.00617.27
8.1.180.0050.00318.10
8.1.170.0060.00318.65
8.1.160.0050.00318.85
8.1.150.0000.00818.55
8.1.140.0050.00217.35
8.1.130.0070.00017.81
8.1.120.0050.00217.39
8.1.110.0000.01117.37
8.1.100.0030.00517.34
8.1.90.0070.00017.27
8.1.80.0000.00717.32
8.1.70.0030.00517.33
8.1.60.0040.00417.40
8.1.50.0000.00717.30
8.1.40.0040.00417.35
8.1.30.0080.00017.57
8.1.20.0030.00517.41
8.1.10.0030.00617.40
8.1.00.0040.00417.33
8.0.300.0000.00718.77
8.0.290.0040.00416.75
8.0.280.0050.00318.48
8.0.270.0080.00017.20
8.0.260.0040.00416.73
8.0.250.0050.00216.96
8.0.240.0040.00717.01
8.0.230.0030.00316.79
8.0.220.0000.00716.79
8.0.210.0030.00316.83
8.0.200.0000.00716.90
8.0.190.0030.00316.95
8.0.180.0070.00016.73
8.0.170.0040.00416.77
8.0.160.0000.00716.87
8.0.150.0000.00816.73
8.0.140.0030.00316.82
8.0.130.0000.00513.13
8.0.120.0040.00416.82
8.0.110.0050.00316.84
8.0.100.0000.00816.77
8.0.90.0000.00716.80
8.0.80.0090.00616.85
8.0.70.0030.00516.85
8.0.60.0000.00816.70
8.0.50.0040.00416.78
8.0.30.0130.00517.00
8.0.20.0100.01317.40
8.0.10.0040.00416.87
8.0.00.0100.01016.78
7.4.330.0020.00216.82
7.4.320.0070.00016.44
7.4.300.0060.00016.41
7.4.290.0000.00716.47
7.4.280.0030.00316.32
7.4.270.0030.00316.36
7.4.260.0000.00513.15
7.4.250.0040.00416.46
7.4.240.0030.00316.53
7.4.230.0000.00716.41
7.4.220.0040.01516.50
7.4.210.0080.00616.46
7.4.200.0070.00016.46
7.4.190.0030.00316.43
7.4.160.0060.00916.50
7.4.150.0120.00617.40
7.4.140.0090.01117.86
7.4.130.0070.01016.48
7.4.120.0070.01116.37
7.4.110.0170.00816.45
7.4.100.0090.00916.35
7.4.90.0150.00416.42
7.4.80.0170.00019.39
7.4.70.0060.01116.59
7.4.60.0120.00616.36
7.4.50.0000.00816.32
7.4.40.0090.00322.77
7.4.30.0040.01816.37
7.4.00.0060.01114.95
7.3.330.0000.00612.93
7.3.320.0060.00013.08
7.3.310.0030.00316.19
7.3.300.0000.00716.21
7.3.290.0000.01616.15
7.3.280.0080.01016.22
7.3.270.0110.00717.40
7.3.260.0060.01118.24
7.3.250.0090.00816.26
7.3.240.0070.01016.30
7.3.230.0090.00916.48
7.3.210.0120.00616.43
7.3.200.0100.00719.39
7.3.190.0160.00716.48
7.3.180.0040.01116.17
7.3.170.0070.00716.27
7.3.160.0060.00916.25
7.3.120.0100.00814.78
7.3.110.0080.00914.74
7.3.100.0070.00814.79
7.3.90.0080.00814.66
7.3.80.0040.00614.67
7.3.70.0020.01214.59
7.3.60.0030.00914.58
7.3.50.0090.00714.72
7.3.40.0080.00714.75
7.3.30.0080.00514.58
7.3.20.0060.00716.49
7.3.10.0070.00616.56
7.3.00.0070.00816.42
7.2.330.0140.00316.39
7.2.320.0080.00816.40
7.2.310.0030.01516.58
7.2.300.0030.01316.33
7.2.290.0040.01216.27
7.2.250.0050.01014.87
7.2.240.0100.00914.82
7.2.230.0070.00914.77
7.2.220.0030.01214.92
7.2.210.0080.00614.80
7.2.200.0060.00714.83
7.2.190.0060.00814.85
7.2.180.0070.01014.96
7.2.170.0090.00514.84
7.2.160.0090.00415.00
7.2.150.0000.01116.95
7.2.140.0100.00316.77
7.2.130.0070.00716.79
7.2.120.0030.00916.90
7.2.110.0080.00416.88
7.2.100.0030.00716.88
7.2.90.0030.00916.75
7.2.80.0040.01216.99
7.2.70.0030.00916.80
7.2.60.0490.00716.62
7.2.50.0060.00616.73
7.2.40.0080.00816.81
7.2.30.0070.00716.96
7.2.20.0070.01016.84
7.2.10.0030.01016.63
7.2.00.0070.01016.95
7.1.330.0060.01015.63
7.1.320.0020.00915.60
7.1.310.0070.00715.70
7.1.300.0040.00915.63
7.1.290.0040.01215.73
7.1.280.0070.00615.68
7.1.270.0070.00715.62
7.1.260.0060.00815.57
7.1.250.0000.01315.85
7.1.200.0100.00315.64
7.1.70.0090.00916.90
7.1.60.0060.00616.95
7.1.50.0100.01016.81
7.1.00.0030.03322.36
7.0.200.0030.01316.66
7.0.140.0100.06721.99
7.0.70.0030.08021.73
7.0.60.0030.03721.73
7.0.50.0000.04022.11
7.0.40.0070.03720.18
7.0.30.0030.04020.17
7.0.20.0030.05020.15
7.0.10.0030.04020.10
7.0.00.0000.04320.14
5.6.280.0000.07320.91
5.6.220.0030.03720.48
5.6.210.0000.04020.76
5.6.200.0000.04320.96
5.6.190.0030.04021.02
5.6.180.0030.04321.03
5.6.170.0030.03321.10
5.6.160.0000.03721.08
5.6.150.0000.07721.07
5.6.140.0070.03721.06
5.6.130.0030.04021.02
5.6.120.0100.03321.11
5.6.110.0070.03721.11
5.6.100.0030.03721.04
5.6.90.0030.04021.04
5.6.80.0070.03320.38
5.6.70.0030.06020.40
5.6.60.0070.05320.32
5.6.50.0100.08020.41
5.6.40.0070.04320.39
5.6.30.0000.08320.46
5.6.20.0070.05320.45
5.6.10.0030.07720.34
5.6.00.0100.07320.37
5.5.360.0000.03720.43
5.5.350.0000.08020.39
5.5.340.0030.04020.88
5.5.330.0000.04320.60
5.5.320.0000.05320.72
5.5.310.0000.06020.91
5.5.300.0070.05720.91
5.5.290.0000.03720.89
5.5.280.0030.04020.86
5.5.270.0000.07020.90
5.5.260.0030.04020.82
5.5.250.0000.04020.63
5.5.240.0030.05020.30
5.5.230.0000.05720.26
5.5.220.0070.05320.20
5.5.210.0070.07720.14
5.5.200.0070.08320.21
5.5.190.0000.06720.17
5.5.180.0030.07720.11
5.5.160.0130.07320.16
5.5.150.0070.08020.21
5.5.140.0000.08020.23
5.5.130.0000.08020.17
5.5.120.0100.07720.27
5.5.110.0100.07720.09
5.5.100.0000.08019.97
5.5.90.0070.06720.09
5.5.80.0070.07720.05
5.5.70.0030.06720.14
5.5.60.0070.07320.07
5.5.50.0000.08320.14
5.5.40.0100.07320.04
5.5.30.0030.06320.09
5.5.20.0030.07720.04
5.5.10.0100.07319.99
5.5.00.0030.08319.94
5.4.450.0030.03719.43
5.4.440.0000.04019.55
5.4.430.0030.03719.46
5.4.420.0000.04019.30
5.4.410.0000.03719.17
5.4.400.0000.03719.03
5.4.390.0000.04718.98
5.4.380.0030.07019.12
5.4.370.0070.07019.07
5.4.360.0030.07018.85
5.4.350.0000.04019.05
5.4.340.0000.08319.02
5.4.320.0030.07319.23
5.4.310.0030.07718.81
5.4.300.0070.06319.09
5.4.290.0070.07718.78
5.4.280.0100.07019.02
5.4.270.0030.06318.94
5.4.260.0100.07319.12
5.4.250.0030.05719.02
5.4.240.0070.05318.91
5.4.230.0100.05018.95
5.4.220.0000.06719.09
5.4.210.0030.05318.89
5.4.200.0030.08019.11
5.4.190.0100.06719.00
5.4.180.0070.05019.13
5.4.170.0000.08319.23
5.4.160.0070.06719.01
5.4.150.0030.06719.12
5.4.140.0030.06316.33
5.4.130.0000.04016.36
5.4.120.0030.07316.32
5.4.110.0130.06716.34
5.4.100.0000.07316.38
5.4.90.0070.07316.40
5.4.80.0000.08016.25
5.4.70.0070.06716.39
5.4.60.0000.06716.23
5.4.50.0000.07716.30
5.4.40.0070.07316.23
5.4.30.0030.07016.22
5.4.20.0030.07016.18
5.4.10.0100.07316.32
5.4.00.0000.05715.85
5.3.290.0000.08015.85
5.3.280.0030.05715.85
5.3.270.0100.07015.85
5.3.260.0070.07315.85
5.3.250.0000.07715.85
5.3.240.0030.04315.85
5.3.230.0000.07715.85
5.3.220.0030.07315.85
5.3.210.0070.07715.85
5.3.200.0030.07315.85
5.3.190.0070.07315.85
5.3.180.0000.07715.85
5.3.170.0030.07715.85
5.3.160.0070.07315.85
5.3.150.0070.07315.85
5.3.140.0070.05715.85
5.3.130.0030.07715.85
5.3.120.0070.08315.85
5.3.110.0070.07315.85
5.3.100.0030.08015.85
5.3.90.0000.06015.85
5.3.80.0030.07315.85
5.3.70.0070.06315.85
5.3.60.0100.04015.85
5.3.50.0070.04715.85
5.3.40.0070.07015.85
5.3.30.0030.07315.85
5.3.20.0000.07315.85
5.3.10.0070.06715.85
5.3.00.0070.07015.85
5.2.170.0100.05315.85
5.2.160.0070.05715.85
5.2.150.0000.06715.85
5.2.140.0030.06315.85
5.2.130.0030.06315.85
5.2.120.0000.07015.85
5.2.110.0000.05015.85
5.2.100.0030.05015.85
5.2.90.0000.06015.85
5.2.80.0070.04315.85
5.2.70.0000.06315.85
5.2.60.0030.06015.85
5.2.50.0000.06715.85
5.2.40.0070.05715.85
5.2.30.0000.05715.85
5.2.20.0070.03315.85
5.2.10.0070.05015.85
5.2.00.0070.03315.85
5.1.60.0070.04715.85
5.1.50.0030.05315.85
5.1.40.0070.03715.85
5.1.30.0030.05715.85
5.1.20.0030.03715.85
5.1.10.0100.04015.85
5.1.00.0070.03315.85
5.0.50.0000.04315.85
5.0.40.0100.03715.85
5.0.30.0000.04315.85
5.0.20.0000.04315.85
5.0.10.0000.04315.85
5.0.00.0000.06015.85
4.4.90.0000.03715.85
4.4.80.0030.02715.85
4.4.70.0000.02315.85
4.4.60.0000.02715.85
4.4.50.0000.03715.85
4.4.40.0070.04715.85
4.4.30.0100.02715.85
4.4.20.0000.03315.85
4.4.10.0000.04015.85
4.4.00.0070.04715.85
4.3.110.0030.03315.85
4.3.100.0070.01715.85
4.3.90.0030.03315.85
4.3.80.0000.05715.85
4.3.70.0000.03315.85
4.3.60.0000.03715.85
4.3.50.0030.03315.85
4.3.40.0000.05715.85
4.3.30.0000.04015.85
4.3.20.0000.03715.85
4.3.10.0070.03015.85
4.3.00.0030.02315.85

preferences:
37.23 ms | 401 KiB | 5 Q