3v4l.org

run code in 300+ PHP versions simultaneously
<?php $string = "Prüfung Prüfung"; $preferences = array( "input-charset" => "ISO-8859-1", "output-charset" => "UTF-8", "line-length" => 76, "line-break-chars" => "\n" ); $preferences["scheme"] = "Q"; echo iconv_mime_encode("Subject", $string, $preferences); echo "/n/n"; echo mb_encode_mimeheader("Subject: $string", "UTF-8", "Q");

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)
8.3.60.0120.00616.63
8.3.50.0110.00816.61
8.3.40.0120.00318.70
8.3.30.0090.00918.96
8.3.20.0080.00018.90
8.3.10.0040.00418.65
8.3.00.0090.00619.38
8.2.180.0070.01116.75
8.2.170.0190.00022.96
8.2.160.0110.00418.91
8.2.150.0060.00324.18
8.2.140.0000.00724.66
8.2.130.0080.00026.16
8.2.120.0030.00519.95
8.2.110.0000.00919.38
8.2.100.0110.00018.03
8.2.90.0000.00819.38
8.2.80.0000.00817.97
8.2.70.0060.00317.75
8.2.60.0030.00618.05
8.2.50.0040.00418.04
8.2.40.0090.00019.47
8.2.30.0050.00517.86
8.2.20.0070.00317.83
8.2.10.0040.00417.63
8.2.00.0070.00417.86
8.1.280.0070.00725.92
8.1.270.0030.00623.99
8.1.260.0050.00526.35
8.1.250.0040.00428.09
8.1.240.0060.00322.82
8.1.230.0000.01117.77
8.1.220.0040.00417.74
8.1.210.0000.00818.77
8.1.200.0060.00317.25
8.1.190.0060.00317.22
8.1.180.0050.00318.10
8.1.170.0000.00817.62
8.1.160.0000.00718.99
8.1.150.0000.00718.78
8.1.140.0000.00717.46
8.1.130.0040.00419.25
8.1.120.0070.00017.51
8.1.110.0030.00517.52
8.1.100.0030.00317.49
8.1.90.0050.00317.43
8.1.80.0040.00417.38
8.1.70.0000.00717.36
8.1.60.0060.00317.50
8.1.50.0060.00317.55
8.1.40.0000.00817.51
8.1.30.0070.00417.65
8.1.20.0040.00717.69
8.1.10.0000.00717.66
8.1.00.0000.00817.48
8.0.300.0050.00318.84
8.0.290.0000.00816.88
8.0.280.0070.00018.61
8.0.270.0020.00517.32
8.0.260.0060.00016.97
8.0.250.0000.00817.13
8.0.240.0000.00717.07
8.0.230.0040.00416.97
8.0.220.0000.00916.92
8.0.210.0040.00417.05
8.0.200.0070.00017.08
8.0.190.0030.00517.02
8.0.180.0070.00316.90
8.0.170.0000.00817.00
8.0.160.0030.00616.86
8.0.150.0030.00616.92
8.0.140.0050.00316.98
8.0.130.0030.00413.29
8.0.120.0030.00817.14
8.0.110.0030.00617.17
8.0.100.0000.00917.03
8.0.90.0090.00017.18
8.0.80.0100.01417.00
8.0.70.0020.00717.13
8.0.60.0000.01017.18
8.0.50.0060.00316.89
8.0.30.0100.01717.04
8.0.20.0110.01017.36
8.0.10.0030.00617.08
8.0.00.0140.00917.09
7.4.330.0020.00212.97
7.4.320.0000.00616.54
7.4.300.0030.00316.47
7.4.290.0040.00416.53
7.4.280.0040.00416.49
7.4.270.0030.00616.40
7.4.260.0060.00213.32
7.4.250.0030.00916.73
7.4.240.0000.01016.84
7.4.230.0050.00516.85
7.4.220.0110.01116.55
7.4.210.0030.01516.68
7.4.200.0000.00816.69
7.4.190.0000.01016.95
7.4.160.0090.00916.76
7.4.150.0150.00616.64
7.4.140.0210.00617.86
7.4.130.0190.00316.61
7.4.120.0090.01616.58
7.4.110.0090.01116.71
7.4.100.0060.01416.68
7.4.90.0170.01116.62
7.4.80.0150.01219.39
7.4.70.0160.01016.66
7.4.60.0080.01116.60
7.4.50.0060.00616.53
7.4.40.0060.01316.48
7.4.30.0130.00616.89
7.4.00.0050.01315.10
7.3.330.0060.00013.09
7.3.320.0020.00313.18
7.3.310.0000.00916.45
7.3.300.0000.00816.44
7.3.290.0100.00916.44
7.3.280.0060.01316.41
7.3.270.0030.01616.67
7.3.260.0030.01616.54
7.3.240.0110.00916.70
7.3.230.0060.01316.85
7.3.210.0100.01016.69
7.3.200.0160.00616.61
7.3.190.0060.01516.72
7.3.180.0030.01516.64
7.3.170.0060.01216.67
7.3.160.0120.00616.46
7.3.120.0080.01114.71
7.3.110.0070.01415.07
7.3.100.0100.00715.15
7.3.90.0100.00615.05
7.3.80.0140.00415.11
7.3.70.0030.01715.10
7.3.60.0040.01515.19
7.3.50.0030.01314.71
7.3.40.0110.00715.04
7.3.30.0070.01014.77
7.3.20.0030.01517.00
7.3.10.0090.00616.79
7.3.00.0070.00916.90
7.2.330.0200.00616.50
7.2.320.0100.01616.80
7.2.310.0130.00816.78
7.2.300.0090.00916.71
7.2.290.0100.01116.99
7.2.250.0160.00315.27
7.2.240.0060.01615.30
7.2.230.0060.01214.91
7.2.220.0060.01014.96
7.2.210.0060.01214.94
7.2.200.0040.01414.98
7.2.190.0070.01015.26
7.2.180.0040.01415.23
7.2.170.0060.00915.19
7.2.130.0050.01017.10
7.2.120.0050.00717.02
7.2.110.0060.01117.16
7.2.100.0080.01017.04
7.2.90.0080.00717.04
7.2.80.0060.00817.09
7.2.70.0080.00816.80
7.2.60.0020.01117.03
7.2.50.0090.00517.04
7.2.40.0090.00817.09
7.2.30.0080.00816.95
7.2.20.0050.01016.82
7.2.10.0070.01116.96
7.2.00.0030.01217.77
7.1.330.0030.01316.17
7.1.320.0070.01416.13
7.1.310.0100.00716.13
7.1.300.0040.01415.97
7.1.290.0030.01416.20
7.1.280.0000.01715.81
7.1.270.0070.01015.77
7.1.260.0030.01316.04
7.1.250.0050.00915.85
7.1.200.0200.00515.85
7.1.100.0080.00818.26
7.1.70.0000.01217.36
7.1.60.0070.02119.21
7.1.50.0090.01217.45
7.1.00.0070.06022.71
7.0.200.0320.00616.89
7.0.140.0000.08022.23
7.0.120.0030.07322.20
7.0.60.0000.04719.85
7.0.50.0100.08018.00
7.0.40.0030.05020.58
7.0.30.0270.04320.37
7.0.20.0330.08720.51
7.0.10.0400.07320.51
7.0.00.0070.04720.38
5.6.280.0070.07321.27
5.6.210.0100.08320.74
5.6.200.0070.05718.37
5.6.190.0000.05020.82
5.6.180.0300.08020.93
5.6.170.0170.05320.66
5.6.160.0130.07320.59
5.6.150.0130.05718.29
5.6.140.0030.05318.34
5.6.130.0100.05318.39
5.6.120.0070.08321.14
5.6.110.0070.08721.31
5.6.100.0200.07721.29
5.6.90.0070.04021.16
5.6.80.0100.07320.54
5.6.70.0230.06720.52
5.5.350.0130.07720.30
5.5.340.0000.06718.09
5.5.330.0000.04720.39
5.5.320.0200.07320.62
5.5.310.0170.04320.45
5.5.300.0070.07718.18
5.5.290.0030.05318.13
5.5.280.0070.07720.96
5.5.270.0030.05721.02
5.5.260.0000.07721.10
5.5.250.0100.07720.83
5.5.240.0070.03720.27
5.4.450.0170.07319.68
5.4.440.0130.03719.60
5.4.430.0000.04719.68
5.4.420.0100.08019.64
5.4.410.0030.04319.25
5.4.400.0170.07018.99
5.4.390.0070.08019.36
5.4.380.0070.08019.34
5.4.370.0070.07019.36
5.4.360.0070.08318.99
5.4.350.0000.04719.34
5.4.340.0070.07719.10
5.4.320.0070.04019.27
5.4.310.0100.04018.97
5.4.300.0070.04719.20
5.4.290.0000.04319.32
5.4.280.0070.04719.30
5.4.270.0030.04319.36
5.4.260.0100.04019.25
5.4.250.0130.07319.28
5.4.240.0130.06319.33
5.4.230.0030.08319.35
5.4.220.0030.08319.20
5.4.210.0030.08318.96
5.4.200.0100.05019.09
5.4.190.0000.05018.96
5.4.180.0030.07319.17
5.4.170.0070.08018.96
5.4.160.0000.05018.95
5.4.150.0100.04319.09
5.4.140.0070.07716.40
5.4.130.0100.04016.48
5.4.120.0130.06716.60
5.4.110.0200.07016.60
5.4.100.0130.07316.47
5.4.90.0200.05016.63
5.4.80.0070.04316.46
5.4.70.0030.07716.50
5.4.60.0070.05016.57
5.4.50.0170.06716.53
5.4.40.0030.05316.59
5.4.30.0070.03716.79
5.4.20.0170.06716.55
5.4.10.0000.05716.46
5.4.00.0030.07315.88
5.3.290.0100.03314.82
5.3.280.0000.05314.68
5.3.270.0070.06314.69
5.3.260.0130.07314.80
5.3.250.0000.05014.68
5.3.240.0100.06314.71
5.3.230.0100.04714.68
5.3.220.0130.04714.67
5.3.210.0070.05014.69
5.3.200.0130.06714.63
5.3.190.0030.08014.67
5.3.180.0130.07014.70
5.3.170.0070.07014.64
5.3.160.0100.07314.69
5.3.150.0000.05714.76
5.3.140.0100.07314.55
5.3.130.0100.03314.61
5.3.120.0100.03714.70
5.3.110.0070.05314.66
5.3.100.0030.04714.09
5.3.90.0030.07714.12
5.3.80.0030.04014.16
5.3.70.0000.05314.12
5.3.60.0000.04714.11
5.3.50.0030.03714.06
5.3.40.0070.07314.12
5.3.30.0070.04013.90
5.3.20.0030.07713.80
5.3.10.0100.05313.65
5.3.00.0070.05313.75
5.2.170.0000.03711.28
5.2.160.0000.03311.14
5.2.150.0100.04711.31
5.2.140.0030.06711.28
5.2.130.0070.06311.22
5.2.120.0070.03711.20
5.2.110.0100.06011.35
5.2.100.0000.03311.25
5.2.90.0000.04011.21
5.2.80.0070.03311.26
5.2.70.0030.04011.27
5.2.60.0100.06311.11
5.2.50.0070.05011.21
5.2.40.0000.03311.13
5.2.30.0070.02711.08
5.2.20.0000.03711.07
5.2.10.0030.04711.04
5.2.00.0000.05310.95
5.1.60.0070.04710.25
5.1.50.0030.04710.17
5.1.40.0070.05710.15
5.1.30.0030.03710.37
5.1.20.0100.05010.53
5.1.10.0030.05710.35
5.1.00.0030.05710.32
5.0.50.0000.0338.72
5.0.40.0070.0408.54
5.0.30.0030.0608.35
5.0.20.0030.0338.39
5.0.10.0030.0478.41
5.0.00.0070.0608.38
4.4.90.0070.0137.07
4.4.80.0030.0337.07
4.4.70.0000.0407.07
4.4.60.0130.0177.07
4.4.50.0100.0237.07
4.4.40.0030.0307.07
4.4.30.0000.0277.07
4.4.20.0030.0207.07
4.4.10.0030.0377.07
4.4.00.0030.0277.07
4.3.110.0030.0207.07
4.3.100.0030.0207.07
4.3.90.0030.0377.07
4.3.80.0070.0437.07
4.3.70.0000.0207.07
4.3.60.0070.0307.07
4.3.50.0000.0377.07
4.3.40.0000.0437.07
4.3.30.0030.0177.07
4.3.20.0030.0237.07
4.3.10.0030.0137.07
4.3.00.0000.0137.07

preferences:
58.31 ms | 401 KiB | 5 Q