3v4l.org

run code in 300+ PHP versions simultaneously
<?php class test { public function f($a) { $this = 1; } } $t = new test(); $t->f("this should not work");

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)
5.4.320.0080.03512.52
5.4.310.0040.04012.50
5.4.300.0070.03512.51
5.4.290.0060.03712.51
5.4.280.0050.03712.41
5.4.270.0090.03312.41
5.4.260.0050.03812.41
5.4.250.0060.03812.40
5.4.240.0050.04312.40
5.4.230.0050.03912.40
5.4.220.0070.03412.40
5.4.210.0070.03312.40
5.4.200.0060.03712.39
5.4.190.0060.03612.40
5.4.180.0030.03912.39
5.4.170.0050.03712.41
5.4.160.0040.04512.40
5.4.150.0070.03512.39
5.4.140.0080.03412.08
5.4.130.0100.03012.07
5.4.120.0040.03712.03
5.4.110.0050.04012.03
5.4.100.0080.03412.02
5.4.90.0050.03812.02
5.4.80.0050.03812.02
5.4.70.0040.03712.02
5.4.60.0060.03812.02
5.4.50.0040.03712.02
5.4.40.0050.03512.01
5.4.30.0030.03712.00
5.4.20.0060.03312.01
5.4.10.0060.03312.00
5.4.00.0070.03311.50
5.3.290.0080.03612.80
5.3.280.0060.04512.71
5.3.270.0100.03312.72
5.3.260.0040.03912.72
5.3.250.0040.03812.72
5.3.240.0060.03712.72
5.3.230.0060.04112.71
5.3.220.0070.03512.68
5.3.210.0090.04012.68
5.3.200.0100.03212.68
5.3.190.0050.03812.68
5.3.180.0050.03612.67
5.3.170.0050.03612.67
5.3.160.0050.03612.68
5.3.150.0040.03812.67
5.3.140.0050.03912.66
5.3.130.0080.04612.65
5.3.120.0050.03912.65
5.3.110.0080.03712.66
5.3.100.0040.03812.11
5.3.90.0060.03612.10
5.3.80.0040.03712.09
5.3.70.0060.04612.09
5.3.60.0030.03812.09
5.3.50.0020.03912.02
5.3.40.0060.03712.02
5.3.30.0050.03611.98
5.3.20.0120.03111.76
5.3.10.0070.03411.73
5.3.00.0090.03611.71
5.2.170.0040.0319.22
5.2.160.0030.0319.22
5.2.150.0050.0349.22
5.2.140.0060.0309.21
5.2.130.0070.0269.18
5.2.120.0050.0329.18
5.2.110.0060.0319.18
5.2.100.0040.0309.17
5.2.90.0030.0299.18
5.2.80.0020.0389.17
5.2.70.0030.0309.17
5.2.60.0050.0289.13
5.2.50.0040.0309.10
5.2.40.0070.0269.07
5.2.30.0040.0299.04
5.2.20.0040.0289.04
5.2.10.0010.0308.94
5.2.00.0050.0288.80
5.1.60.0070.0368.09
5.1.50.0030.0268.08
5.1.40.0030.0258.07
5.1.30.0050.0328.41
5.1.20.0040.0268.44
5.1.10.0020.0338.16
5.1.00.0040.0308.16
5.0.50.0030.0226.63
5.0.40.0030.0196.50
5.0.30.0020.0326.31
5.0.20.0030.0196.28
5.0.10.0040.0186.25
5.0.00.0040.0296.24
4.4.90.0010.0164.78
4.4.80.0030.0144.75
4.4.70.0040.0144.75
4.4.60.0040.0134.76
4.4.50.0040.0144.77
4.4.40.0030.0244.70
4.4.30.0030.0334.76
4.4.20.0020.0184.85
4.4.10.0040.0194.85
4.4.00.0050.0314.76
4.3.110.0040.0214.67
4.3.100.0030.0204.66
4.3.90.0030.0184.63
4.3.80.0030.0244.59
4.3.70.0020.0154.63
4.3.60.0050.0194.63
4.3.50.0030.0154.62
4.3.40.0040.0234.54
4.3.30.0010.0213.30
4.3.20.0030.0143.28
4.3.10.0040.0133.23
4.3.00.0000.01313.59

preferences:
135.98 ms | 1386 KiB | 7 Q