3v4l.org

run code in 300+ PHP versions simultaneously
<?php class a { var $text; function a() { $this->text = 'OK'; } } class b { var $text = 'NOT OK'; function b() { $this = new a(); } } $myClass = new b(); echo $myClass->text; ?>

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)
5.4.340.0060.04012.03
5.4.320.0070.03712.52
5.4.310.0080.04312.51
5.4.300.0060.04212.51
5.4.290.0030.04012.52
5.4.280.0050.03512.41
5.4.270.0070.03512.41
5.4.260.0020.04112.41
5.4.250.0060.03612.41
5.4.240.0090.03612.41
5.4.230.0050.03712.40
5.4.220.0060.03412.40
5.4.210.0040.03612.40
5.4.200.0050.03712.40
5.4.190.0070.03312.39
5.4.180.0090.03212.40
5.4.170.0070.03412.41
5.4.160.0030.04012.40
5.4.150.0080.03312.40
5.4.140.0050.03812.08
5.4.130.0090.03212.07
5.4.120.0070.03412.03
5.4.110.0060.03512.02
5.4.100.0050.03712.03
5.4.90.0050.03712.02
5.4.80.0060.03712.03
5.4.70.0040.03612.02
5.4.60.0050.04012.02
5.4.50.0080.03412.02
5.4.40.0030.03612.01
5.4.30.0130.03112.01
5.4.20.0050.03512.01
5.4.10.0040.04412.01
5.4.00.0060.03611.50
5.3.290.0020.04312.80
5.3.280.0070.04412.70
5.3.270.0030.04212.73
5.3.260.0050.03912.72
5.3.250.0050.04312.72
5.3.240.0040.04012.72
5.3.230.0020.04012.71
5.3.220.0050.03612.68
5.3.210.0090.04412.68
5.3.200.0070.03412.68
5.3.190.0090.03412.68
5.3.180.0060.04312.67
5.3.170.0050.03612.66
5.3.160.0070.03512.67
5.3.150.0060.03612.67
5.3.140.0050.03612.66
5.3.130.0110.04212.66
5.3.120.0090.03512.66
5.3.110.0060.03712.66
5.3.100.0070.03412.13
5.3.90.0050.03712.11
5.3.80.0090.04212.09
5.3.70.0050.03612.09
5.3.60.0070.04412.08
5.3.50.0040.03712.03
5.3.40.0050.04412.03
5.3.30.0080.03811.98
5.3.20.0080.03811.77
5.3.10.0050.03411.74
5.3.00.0030.03811.71
5.2.170.0060.0309.23
5.2.160.0040.0299.22
5.2.150.0060.0359.22
5.2.140.0030.0319.22
5.2.130.0030.0339.18
5.2.120.0070.0339.18
5.2.110.0060.0269.19
5.2.100.0060.0269.18
5.2.90.0070.0309.18
5.2.80.0050.0299.18
5.2.70.0060.0319.17
5.2.60.0050.0419.13
5.2.50.0030.0359.09
5.2.40.0040.0399.07
5.2.30.0050.0319.05
5.2.20.0050.0319.04
5.2.10.0070.0298.95
5.2.00.0020.0318.81
5.1.60.0040.0268.09
5.1.50.0020.0268.09
5.1.40.0030.0248.07
5.1.30.0020.0278.43
5.1.20.0040.0298.45
5.1.10.0070.0258.17
5.1.00.0040.0278.16
5.0.50.0010.0246.65
5.0.40.0010.0216.50
5.0.30.0070.0296.32
5.0.20.0050.0176.29
5.0.10.0020.0206.26
5.0.00.0050.0286.25
4.4.90.0030.0224.78
4.4.80.0020.0194.75
4.4.70.0050.0134.75
4.4.60.0020.0154.76
4.4.50.0020.0154.77
4.4.40.0020.0254.71
4.4.30.0020.0164.76
4.4.20.0020.0164.85
4.4.10.0030.0154.85
4.4.00.0000.0274.76
4.3.110.0020.0164.67
4.3.100.0020.0154.66
4.3.90.0030.0164.64
4.3.80.0030.0244.58
4.3.70.0030.0194.63
4.3.60.0050.0124.63
4.3.50.0040.0144.63
4.3.40.0030.0244.54
4.3.30.0030.0193.30
4.3.20.0010.0183.29
4.3.10.0010.0173.24
4.3.00.0170.0177.07

preferences:
141.31 ms | 1386 KiB | 7 Q