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); $c = (new \ReflectionClass($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)
5.4.320.0060.03912.51
5.4.310.0030.04112.51
5.4.300.0100.04312.51
5.4.290.0060.03812.51
5.4.280.0040.03812.41
5.4.270.0090.03312.41
5.4.260.0090.03612.41
5.4.250.0060.03812.41
5.4.240.0060.03612.41
5.4.230.0070.03612.40
5.4.220.0080.03512.40
5.4.210.0110.03112.39
5.4.200.0090.03512.40
5.4.190.0070.03512.39
5.4.180.0040.03712.39
5.4.170.0060.03612.40
5.4.160.0070.03612.40
5.4.150.0050.03812.39
5.4.140.0130.03912.09
5.4.130.0120.03812.06
5.4.120.0070.03412.03
5.4.110.0060.03512.03
5.4.100.0100.03212.03
5.4.90.0060.03712.03
5.4.80.0070.03712.03
5.4.70.0070.04412.02
5.4.60.0060.03512.02
5.4.50.0080.03312.02
5.4.40.0070.03412.01
5.4.30.0070.03412.01
5.4.20.0090.03212.00
5.4.10.0050.03512.00
5.4.00.0030.03911.50
5.3.290.0080.04312.80
5.3.280.0100.03612.70
5.3.270.0080.04112.72
5.3.260.0080.04312.72
5.3.250.0090.03612.72
5.3.240.0090.04012.71
5.3.230.0080.04112.71
5.3.220.0080.03712.68
5.3.210.0090.04112.68
5.3.200.0070.04212.68
5.3.190.0090.04112.68
5.3.180.0060.04612.68
5.3.170.0030.03912.66
5.3.160.0080.03912.67
5.3.150.0160.02912.68
5.3.140.0040.04312.66
5.3.130.0070.04612.66
5.3.120.0060.03912.66
5.3.110.0040.04112.66
5.3.100.0080.03612.12
5.3.90.0090.03312.10
5.3.80.0070.03612.09
5.3.70.0050.03812.09
5.3.60.0050.04212.08
5.3.50.0070.03512.02
5.3.40.0080.04012.02
5.3.30.0090.03111.98
5.3.20.0030.03811.76
5.3.10.0080.03211.73
5.3.00.0080.03311.71
5.2.170.0050.0309.21
5.2.160.0050.0289.22
5.2.150.0060.0299.21
5.2.140.0030.0369.21
5.2.130.0050.0309.18
5.2.120.0050.0289.18
5.2.110.0070.0289.18
5.2.100.0050.0299.18
5.2.90.0060.0279.17
5.2.80.0060.0299.17
5.2.70.0060.0339.17
5.2.60.0070.0279.13
5.2.50.0050.0299.10
5.2.40.0070.0259.07
5.2.30.0040.0349.04
5.2.20.0040.0299.04
5.2.10.0050.0278.94
5.2.00.0020.0308.81
5.1.60.0050.0228.08
5.1.50.0030.0268.08
5.1.40.0070.0268.06
5.1.30.0050.0378.41
5.1.20.0050.0268.43
5.1.10.0040.0338.16
5.1.00.0050.0248.16
5.0.50.0010.0226.64
5.0.40.0020.0206.50
5.0.30.0060.0286.31
5.0.20.0010.0216.27
5.0.10.0020.0216.25
5.0.00.0040.0306.25
4.4.90.0030.0154.78
4.4.80.0050.0134.75
4.4.70.0060.0124.76
4.4.60.0030.0154.75
4.4.50.0030.0154.77
4.4.40.0020.0264.71
4.4.30.0060.0184.76
4.4.20.0050.0134.85
4.4.10.0030.0194.85
4.4.00.0040.0224.75
4.3.110.0010.0204.67
4.3.100.0040.0164.67
4.3.90.0040.0164.63
4.3.80.0030.0244.58
4.3.70.0020.0214.63
4.3.60.0020.0154.63
4.3.50.0010.0174.63
4.3.40.0010.0254.54
4.3.30.0030.0143.30
4.3.20.0030.0183.28
4.3.10.0010.0183.24
4.3.00.0330.01714.59

preferences:
133.81 ms | 1398 KiB | 7 Q