3v4l.org

run code in 300+ PHP versions simultaneously
<?php class Email { public static CHARSET; protected function __autoload() { self::CHARSET = 'UTF8'; } } var_dump(Email::CHARSET);

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)
5.4.320.0060.03712.51
5.4.310.0070.05212.50
5.4.300.0070.03612.51
5.4.290.0060.03812.51
5.4.280.0060.03512.40
5.4.270.0060.03612.40
5.4.260.0030.04012.40
5.4.250.0080.03612.40
5.4.240.0060.03612.40
5.4.230.0070.03612.39
5.4.220.0070.03512.39
5.4.210.0050.03612.39
5.4.200.0080.03512.39
5.4.190.0030.04512.39
5.4.180.0040.03912.39
5.4.170.0080.03312.39
5.4.160.0060.03612.39
5.4.150.0060.03612.39
5.4.140.0080.03912.08
5.4.130.0040.04012.06
5.4.120.0060.03912.03
5.4.110.0040.03812.02
5.4.100.0060.03412.02
5.4.90.0060.03612.02
5.4.80.0030.03912.02
5.4.70.0040.03612.02
5.4.60.0040.03712.02
5.4.50.0050.03612.02
5.4.40.0080.03212.00
5.4.30.0050.03512.00
5.4.20.0060.03412.00
5.4.10.0040.03612.00
5.4.00.0040.04111.50
5.3.290.0040.04112.80
5.3.280.0050.03712.71
5.3.270.0100.04612.72
5.3.260.0060.04612.72
5.3.250.0060.03712.72
5.3.240.0080.03612.71
5.3.230.0070.03712.71
5.3.220.0090.03712.68
5.3.210.0070.04312.68
5.3.200.0080.03812.68
5.3.190.0050.03912.68
5.3.180.0060.03612.67
5.3.170.0060.03612.67
5.3.160.0090.03312.67
5.3.150.0050.03912.67
5.3.140.0030.03912.66
5.3.130.0050.03912.66
5.3.120.0060.03912.66
5.3.110.0070.03812.66
5.3.100.0100.03412.11
5.3.90.0090.04212.10
5.3.80.0070.04412.09
5.3.70.0050.04112.09
5.3.60.0050.03712.07
5.3.50.0070.03512.02
5.3.40.0040.03812.02
5.3.30.0100.03511.98
5.3.20.0040.03711.75
5.3.10.0050.03511.73
5.3.00.0040.03711.71
5.2.170.0020.0329.21
5.2.160.0030.0309.21
5.2.150.0050.0299.21
5.2.140.0040.0309.21
5.2.130.0060.0289.17
5.2.120.0040.0349.17
5.2.110.0050.0309.18
5.2.100.0070.0259.17
5.2.90.0050.0289.17
5.2.80.0040.0299.17
5.2.70.0050.0299.17
5.2.60.0050.0299.13
5.2.50.0100.0259.09
5.2.40.0020.0319.07
5.2.30.0050.0299.05
5.2.20.0050.0289.03
5.2.10.0040.0308.94
5.2.00.0060.0288.80
5.1.60.0010.0278.09
5.1.50.0040.0248.08
5.1.40.0050.0248.06
5.1.30.0050.0258.42
5.1.20.0040.0278.43
5.1.10.0030.0268.16
5.1.00.0080.0228.16
5.0.50.0030.0206.64
5.0.40.0060.0166.50
5.0.30.0030.0406.30
5.0.20.0050.0206.28
5.0.10.0010.0236.26
5.0.00.0020.0326.25
4.4.90.0010.0174.78
4.4.80.0040.0214.75
4.4.70.0020.0224.76
4.4.60.0020.0164.75
4.4.50.0040.0144.77
4.4.40.0030.0244.71
4.4.30.0040.0144.76
4.4.20.0030.0154.85
4.4.10.0020.0164.85
4.4.00.0040.0234.75
4.3.110.0060.0194.67
4.3.100.0030.0224.66
4.3.90.0040.0134.63
4.3.80.0030.0244.58
4.3.70.0000.0174.63
4.3.60.0030.0144.63
4.3.50.0010.0174.63
4.3.40.0010.0254.54
4.3.30.0020.0153.30
4.3.20.0010.0173.28
4.3.10.0010.0173.23
4.3.00.0130.0177.55

preferences:
140.6 ms | 1398 KiB | 7 Q