3v4l.org

run code in 300+ PHP versions simultaneously
<?php class a { private $a = 1; private $b = '3'; private $c = ['foo', 'bar' => 'baz']; } $a = new a(); var_export($a); echo PHP_EOL .PHP_EOL; $c = (new \ReflectionClass($a))->getShortName(); $arr = (array) $a; foreach($arr as &$key => &$value) { $key = $key . 'blubb'; } var_export($arr);

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)
5.4.320.0040.03912.51
5.4.310.0060.03812.50
5.4.300.0040.03812.51
5.4.290.0070.04512.50
5.4.280.0070.03512.40
5.4.270.0070.03612.40
5.4.260.0050.03812.40
5.4.250.0070.03712.40
5.4.240.0080.03512.40
5.4.230.0060.03812.39
5.4.220.0050.03612.39
5.4.210.0120.03312.39
5.4.200.0060.03812.39
5.4.190.0050.03612.39
5.4.180.0080.03312.39
5.4.170.0090.03312.40
5.4.160.0060.03712.39
5.4.150.0080.03612.39
5.4.140.0060.03812.08
5.4.130.0020.04612.07
5.4.120.0060.03712.02
5.4.110.0040.04012.02
5.4.100.0060.03512.02
5.4.90.0050.04712.02
5.4.80.0040.04012.02
5.4.70.0070.03512.02
5.4.60.0050.03812.02
5.4.50.0050.03512.02
5.4.40.0060.03612.00
5.4.30.0080.03512.00
5.4.20.0080.03312.00
5.4.10.0100.03012.00
5.4.00.0030.03811.50
5.3.290.0070.03812.80
5.3.280.0070.04412.71
5.3.270.0110.03412.72
5.3.260.0070.04012.72
5.3.250.0050.04412.72
5.3.240.0090.03312.72
5.3.230.0050.03812.70
5.3.220.0090.04012.68
5.3.210.0070.03912.68
5.3.200.0060.04112.68
5.3.190.0020.04512.68
5.3.180.0070.03712.67
5.3.170.0060.04012.67
5.3.160.0100.04312.68
5.3.150.0080.05012.68
5.3.140.0090.04312.66
5.3.130.0100.03612.66
5.3.120.0110.03612.66
5.3.110.0040.04312.66
5.3.100.0070.03512.12
5.3.90.0080.03812.10
5.3.80.0040.03812.09
5.3.70.0090.03412.09
5.3.60.0070.03912.07
5.3.50.0130.03112.02
5.3.40.0060.03612.02
5.3.30.0050.03511.98
5.3.20.0080.03211.76
5.3.10.0040.03511.73
5.3.00.0080.03911.71
5.2.170.0050.0299.22
5.2.160.0060.0279.22
5.2.150.0060.0319.21
5.2.140.0030.0319.21
5.2.130.0050.0279.17
5.2.120.0070.0269.18
5.2.110.0040.0339.18
5.2.100.0050.0289.17
5.2.90.0040.0299.17
5.2.80.0070.0289.17
5.2.70.0070.0329.17
5.2.60.0030.0319.13
5.2.50.0080.0359.09
5.2.40.0070.0309.07
5.2.30.0080.0289.04
5.2.20.0040.0329.04
5.2.10.0030.0318.94
5.2.00.0040.0328.80
5.1.60.0080.0238.09
5.1.50.0030.0288.09
5.1.40.0060.0248.07
5.1.30.0140.0348.41
5.1.20.0070.0238.43
5.1.10.0040.0268.16
5.1.00.0030.0278.16
5.0.50.0030.0206.64
5.0.40.0060.0176.49
5.0.30.0050.0296.31
5.0.20.0040.0186.28
5.0.10.0030.0206.25
5.0.00.0040.0306.25
4.4.90.0040.0144.78
4.4.80.0030.0154.75
4.4.70.0010.0174.75
4.4.60.0030.0154.75
4.4.50.0030.0154.77
4.4.40.0020.0264.71
4.4.30.0030.0164.76
4.4.20.0020.0174.84
4.4.10.0020.0174.85
4.4.00.0030.0254.76
4.3.110.0040.0144.67
4.3.100.0030.0154.67
4.3.90.0000.0174.64
4.3.80.0030.0244.58
4.3.70.0030.0144.63
4.3.60.0050.0124.63
4.3.50.0050.0134.63
4.3.40.0020.0254.54
4.3.30.0000.0183.30
4.3.20.0020.0183.28
4.3.10.0010.0183.23
4.3.00.0000.02014.59

preferences:
150.23 ms | 1398 KiB | 7 Q