3v4l.org

run code in 300+ PHP versions simultaneously
<?php $original = "=?UTF-8?Q?=E3=80=8E=E3=80=90=E5=A4=96=E8=B3=87=E7=B3=BB=E6=88=A6=E7=95=A5=E3=82=B3=E3=83=B3=E3=82=B5=E3=83=AB=E3=81=8C=E9=9B=86=E7=B5=90=E3=80=91=E3=83=88=E3=83=83=E3=83=97=E3=82=B3=E3=83=B3=E3=82=B5=E3=83=AB=E3=82=BF=E3=83=B3=E3=83=88=E3=81=A8=E8=A9=B1=E3=81=9B=E3=82=8B=E3=82=B3=E3=83=B3=E3=82=B5=E3=83=AB=E6=A5=AD=E7=95=8C=E7=A0=94=E7=A9=B6=E3=82=BB=E3=83=9F=E3=83=8A=E3=83=BC=E3=80=8F=E3=81=B8=E3=81=AE=E3=82=A8=E3=83=B3=E3=83=88=E3=83=AA=E3=83=BC=E3=81=82=E3=82=8A=E3=81=8C=E3=81=A8=E3=81=86=E3=81=94=E3=81=96=E3=81=84=E3=81=BE=E3=81=97=E3=81=9F=E3=80=82?="; $decoded = iconv_mime_decode($original, ICONV_MIME_DECODE_STRICT, 'utf-8'); $prefs = array('input-charset' => 'UTF-8', 'output-charset' => 'UTF-8', 'scheme' => 'Q', 'line-length' => 1000); $encoded = iconv_mime_encode('Subject', $decoded, $prefs); list($_, $encoded) = explode(' ', $encoded, 2); echo 'Before: ' . strlen($original) . ', After: ' . strlen($encoded) . "\n";

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)
8.3.60.0090.00918.55
8.3.50.0110.00716.32
8.3.40.0120.00318.59
8.3.30.0120.00318.68
8.3.20.0060.01018.73
8.3.10.0080.00023.66
8.3.00.0040.00421.73
8.2.180.0130.00616.32
8.2.170.0130.00719.08
8.2.160.0070.00722.96
8.2.150.0040.00425.66
8.2.140.0000.00824.66
8.2.130.0030.00521.06
8.2.120.0050.00226.35
8.2.110.0000.00922.31
8.2.100.0040.00817.84
8.2.90.0040.00417.75
8.2.80.0000.00917.97
8.2.70.0030.00517.80
8.2.60.0050.00318.22
8.2.50.0000.00918.10
8.2.40.0000.00719.29
8.2.30.0000.00720.54
8.2.20.0040.00418.06
8.2.10.0030.00518.32
8.2.00.0040.00419.37
8.1.280.0110.00725.92
8.1.270.0090.00024.66
8.1.260.0000.00826.35
8.1.250.0040.00428.09
8.1.240.0030.00619.14
8.1.230.0100.00017.77
8.1.220.0040.00417.79
8.1.210.0000.00818.77
8.1.200.0060.00317.23
8.1.190.0030.00617.22
8.1.180.0080.00018.10
8.1.170.0080.00018.64
8.1.160.0040.00418.86
8.1.150.0070.00018.90
8.1.140.0030.00618.82
8.1.130.0030.00320.21
8.1.120.0000.00717.41
8.1.110.0040.00417.52
8.1.100.0030.00617.45
8.1.90.0000.00717.48
8.1.80.0050.00317.36
8.1.70.0070.00017.49
8.1.60.0030.00517.61
8.1.50.0000.00817.53
8.1.40.0080.00017.43
8.1.30.0000.00817.68
8.1.20.0060.00317.64
8.1.10.0030.00617.59
8.1.00.0000.00717.55
8.0.300.0070.00018.77
8.0.290.0040.00416.75
8.0.280.0000.00818.41
8.0.270.0000.00717.37
8.0.260.0030.00622.00
8.0.250.0030.00317.00
8.0.240.0000.00616.99
8.0.230.0000.00817.02
8.0.220.0000.00716.92
8.0.210.0040.00416.77
8.0.200.0060.00016.89
8.0.190.0040.00416.94
8.0.180.0040.00416.91
8.0.170.0060.00316.80
8.0.160.0040.00416.90
8.0.150.0030.00816.86
8.0.140.0000.00716.82
8.0.130.0000.00513.21
8.0.120.0030.00617.03
8.0.110.0050.00516.97
8.0.100.0060.00317.04
8.0.90.0000.00916.98
8.0.80.0110.00917.00
8.0.70.0000.00916.94
8.0.60.0000.00916.92
8.0.50.0030.00616.83
8.0.30.0120.01117.18
8.0.20.0120.01217.40
8.0.10.0030.00617.14
8.0.00.0100.01516.98
7.4.330.0050.00015.55
7.4.320.0000.00816.51
7.4.300.0030.00316.49
7.4.290.0050.00216.57
7.4.280.0080.00016.51
7.4.270.0040.00416.52
7.4.260.0090.00016.47
7.4.250.0040.00716.52
7.4.240.0070.00316.73
7.4.230.0060.00316.73
7.4.220.0030.00716.79
7.4.210.0080.01116.60
7.4.200.0000.00916.49
7.4.160.0080.01016.65
7.4.140.0120.01017.86
7.4.130.0160.01216.73
7.4.120.0130.01216.59
7.4.110.0230.00616.46
7.4.100.0150.00716.59
7.4.90.0080.01516.48
7.4.80.0060.01919.39
7.4.70.0190.00616.46
7.4.60.0110.00716.41
7.4.50.0090.00916.64
7.4.40.0040.01616.59
7.4.00.0060.01215.40
7.3.330.0050.00013.10
7.3.320.0050.00013.25
7.3.310.0030.00616.29
7.3.300.0000.00916.30
7.3.290.0000.01016.45
7.3.280.0120.00616.39
7.3.260.0130.01016.52
7.3.240.0110.01216.49
7.3.230.0160.00316.60
7.3.210.0100.01616.36
7.3.200.0110.00816.41
7.3.190.0090.00916.35
7.3.180.0120.01116.66
7.3.170.0180.00616.57
7.3.160.0030.01716.48
7.3.120.0070.01214.90
7.3.110.0090.01015.05
7.3.100.0050.00914.88
7.3.90.0050.01215.01
7.3.80.0030.01014.96
7.3.70.0000.01414.79
7.3.60.0030.00914.91
7.3.50.0030.01114.87
7.3.40.0080.00814.92
7.3.30.0050.01014.86
7.3.20.0030.01016.83
7.3.10.0020.01416.76
7.3.00.0050.01016.86
7.2.330.0060.01516.75
7.2.320.0090.00916.68
7.2.310.0040.02316.67
7.2.300.0120.01216.78
7.2.290.0120.00616.70
7.2.240.0080.00815.16
7.2.230.0070.01115.20
7.2.220.0070.01015.33
7.2.210.0050.00815.06
7.2.200.0070.00915.14
7.2.190.0020.01615.16
7.2.180.0100.00815.23
7.2.170.0050.01015.21
7.2.160.0050.01315.29
7.2.150.0050.01317.05
7.2.140.0030.01217.18
7.2.130.0050.01317.05
7.2.120.0090.00917.09
7.2.110.0050.00817.12
7.2.100.0060.01217.09
7.2.90.0380.00716.34
7.2.80.0150.00916.32
7.2.70.0320.01316.46
7.2.60.0360.00916.33
7.2.50.0380.01016.36
7.2.40.0370.01216.56
7.2.30.0360.01016.43
7.2.20.0270.01216.49
7.2.10.0380.01316.37
7.2.00.0300.01116.50
7.1.330.0070.00915.91
7.1.320.0050.01015.91
7.1.310.0100.00715.70
7.1.300.0020.01215.88
7.1.290.0080.00516.07
7.1.280.0030.00815.83
7.1.270.0030.01315.89
7.1.260.0030.01415.88
7.1.250.0120.00515.81
7.1.210.0790.01314.06
7.1.200.1070.00614.09
7.1.190.0820.01313.82
7.1.180.0880.01013.86
7.1.170.0930.01214.00
7.1.160.0890.01314.16
7.1.150.0820.01314.15
7.1.140.0910.01314.00
7.1.130.1060.01314.02
7.1.120.1030.01013.80
7.1.110.0910.02014.20
7.1.100.1060.00613.92
7.1.90.0920.00613.96
7.1.80.1250.01013.80
7.1.70.0910.00614.19
7.1.60.1160.01331.50
7.1.50.2080.01031.74
7.1.40.1300.01031.71
7.1.30.1060.01731.60
7.1.20.1030.01831.59
7.1.10.0570.01013.74
7.1.00.1030.00913.81

preferences:
63.75 ms | 400 KiB | 5 Q