3v4l.org

run code in 300+ PHP versions simultaneously
<?php class A { public function B() { $this = 'hello'; // error ${'this'} = 'hello'; // error ${'t' . 'his'} = 'hello'; // works return $this; } } $a = new A; echo $a->B();

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)
5.4.320.0050.04312.52
5.4.310.0080.03912.51
5.4.300.0110.03312.52
5.4.290.0050.04212.51
5.4.280.0040.03912.41
5.4.270.0040.04112.41
5.4.260.0060.03812.41
5.4.250.0060.03712.41
5.4.240.0050.03612.40
5.4.230.0060.03712.39
5.4.220.0070.03412.40
5.4.210.0060.03312.40
5.4.200.0050.03712.40
5.4.190.0040.03612.39
5.4.180.0060.03412.39
5.4.170.0080.04312.41
5.4.160.0060.03512.40
5.4.150.0070.03612.40
5.4.140.0090.03612.08
5.4.130.0050.03412.07
5.4.120.0100.03712.03
5.4.110.0070.04012.02
5.4.100.0050.03612.02
5.4.90.0060.04212.02
5.4.80.0090.03712.02
5.4.70.0040.03612.02
5.4.60.0040.03612.02
5.4.50.0080.03412.02
5.4.40.0040.04112.01
5.4.30.0060.03912.00
5.4.20.0040.03612.00
5.4.10.0050.03612.00
5.4.00.0080.04211.50
5.3.290.0050.04412.80
5.3.280.0050.04012.71
5.3.270.0050.04012.73
5.3.260.0110.04112.72
5.3.250.0060.04012.72
5.3.240.0050.03712.72
5.3.230.0080.03512.70
5.3.220.0030.04312.68
5.3.210.0090.03512.68
5.3.200.0100.03212.68
5.3.190.0060.04012.68
5.3.180.0060.03612.68
5.3.170.0090.04812.67
5.3.160.0060.04012.67
5.3.150.0070.03812.67
5.3.140.0040.03612.66
5.3.130.0060.03812.66
5.3.120.0070.03712.66
5.3.110.0050.04012.66
5.3.100.0080.04112.12
5.3.90.0050.03812.10
5.3.80.0090.04012.09
5.3.70.0070.04212.09
5.3.60.0050.03612.07
5.3.50.0080.03412.02
5.3.40.0060.03612.02
5.3.30.0050.03611.98
5.3.20.0030.03911.76
5.3.10.0060.03511.73
5.3.00.0070.03911.71
5.2.170.0050.0309.22
5.2.160.0040.0389.21
5.2.150.0050.0319.21
5.2.140.0050.0319.21
5.2.130.0040.0329.17
5.2.120.0050.0309.17
5.2.110.0100.0329.18
5.2.100.0060.0289.18
5.2.90.0050.0399.17
5.2.80.0090.0329.16
5.2.70.0060.0299.17
5.2.60.0020.0439.13
5.2.50.0060.0299.10
5.2.40.0070.0309.07
5.2.30.0060.0389.04
5.2.20.0090.0269.04
5.2.10.0060.0338.94
5.2.00.0030.0318.80
5.1.60.0020.0278.09
5.1.50.0040.0278.09
5.1.40.0050.0248.06
5.1.30.0050.0268.42
5.1.20.0060.0278.43
5.1.10.0050.0378.16
5.1.00.0070.0298.17
5.0.50.0040.0206.64
5.0.40.0020.0206.50
5.0.30.0030.0326.31
5.0.20.0060.0176.28
5.0.10.0040.0226.25
5.0.00.0030.0326.24
4.4.90.0030.0154.78
4.4.80.0030.0154.75
4.4.70.0030.0214.76
4.4.60.0010.0174.75
4.4.50.0060.0124.77
4.4.40.0030.0244.71
4.4.30.0010.0174.75
4.4.20.0010.0204.84
4.4.10.0050.0124.85
4.4.00.0030.0244.75
4.3.110.0030.0154.67
4.3.100.0040.0134.66
4.3.90.0040.0134.63
4.3.80.0040.0254.58
4.3.70.0030.0144.63
4.3.60.0030.0144.62
4.3.50.0050.0134.63
4.3.40.0020.0254.54
4.3.30.0020.0163.30
4.3.20.0010.0163.28
4.3.10.0020.0153.24
4.3.00.0030.0207.82

preferences:
142.99 ms | 1394 KiB | 7 Q