3v4l.org

run code in 300+ PHP versions simultaneously
<?php class Foo { $bar; $baz;} $foo = new Foo; unset($foo->$bar); var_dump($foo);

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)
5.4.320.0060.03612.50
5.4.310.0090.04312.50
5.4.300.0030.03812.51
5.4.290.0080.03612.50
5.4.280.0060.03412.40
5.4.270.0060.03712.40
5.4.260.0050.03912.40
5.4.250.0070.03912.40
5.4.240.0080.03612.40
5.4.230.0060.03612.39
5.4.220.0060.03512.39
5.4.210.0020.03912.39
5.4.200.0030.04212.39
5.4.190.0030.03912.39
5.4.180.0070.03412.39
5.4.170.0040.03812.39
5.4.160.0050.03612.39
5.4.150.0090.03712.39
5.4.140.0050.03712.08
5.4.130.0090.04312.06
5.4.120.0060.03812.03
5.4.110.0040.03712.02
5.4.100.0050.03512.02
5.4.90.0080.04212.02
5.4.80.0040.03812.02
5.4.70.0030.03912.02
5.4.60.0040.03712.02
5.4.50.0060.03412.02
5.4.40.0070.03212.01
5.4.30.0080.03512.00
5.4.20.0060.03512.00
5.4.10.0030.03812.00
5.4.00.0030.03811.49
5.3.290.0080.05412.80
5.3.280.0050.03912.71
5.3.270.0070.03812.73
5.3.260.0090.04012.72
5.3.250.0070.04112.72
5.3.240.0070.04012.72
5.3.230.0070.03712.71
5.3.220.0040.04712.68
5.3.210.0070.04412.68
5.3.200.0060.03612.68
5.3.190.0080.04212.68
5.3.180.0030.04112.67
5.3.170.0060.03912.67
5.3.160.0080.04012.67
5.3.150.0070.03612.67
5.3.140.0080.03912.66
5.3.130.0020.04312.66
5.3.120.0070.03912.66
5.3.110.0040.04112.65
5.3.100.0040.03812.12
5.3.90.0070.03412.10
5.3.80.0080.03512.09
5.3.70.0060.03512.09
5.3.60.0050.03612.08
5.3.50.0070.03712.02
5.3.40.0090.03312.02
5.3.30.0060.03611.98
5.3.20.0070.03511.75
5.3.10.0070.03511.73
5.3.00.0110.03011.71
5.2.170.0050.0299.21
5.2.160.0030.0369.21
5.2.150.0050.0299.21
5.2.140.0070.0319.21
5.2.130.0040.0359.17
5.2.120.0050.0279.17
5.2.110.0080.0249.18
5.2.100.0070.0259.17
5.2.90.0050.0399.18
5.2.80.0030.0359.17
5.2.70.0050.0289.17
5.2.60.0040.0299.13
5.2.50.0040.0319.09
5.2.40.0050.0289.07
5.2.30.0040.0329.05
5.2.20.0040.0289.03
5.2.10.0040.0288.94
5.2.00.0040.0368.80
5.1.60.0060.0248.09
5.1.50.0040.0288.08
5.1.40.0060.0228.06
5.1.30.0050.0258.41
5.1.20.0040.0268.43
5.1.10.0040.0268.16
5.1.00.0080.0278.16
5.0.50.0030.0216.64
5.0.40.0050.0186.50
5.0.30.0040.0316.31
5.0.20.0040.0206.27
5.0.10.0040.0196.26
5.0.00.0040.0346.25
4.4.90.0040.0154.78
4.4.80.0010.0194.76
4.4.70.0040.0144.75
4.4.60.0010.0214.75
4.4.50.0010.0174.77
4.4.40.0020.0254.71
4.4.30.0060.0124.76
4.4.20.0030.0144.85
4.4.10.0020.0164.85
4.4.00.0040.0234.76
4.3.110.0020.0164.67
4.3.100.0030.0144.66
4.3.90.0020.0154.64
4.3.80.0010.0254.59
4.3.70.0040.0174.63
4.3.60.0020.0144.63
4.3.50.0000.0174.63
4.3.40.0020.0244.54
4.3.30.0010.0183.30
4.3.20.0020.0163.28
4.3.10.0020.0153.23
4.3.00.0000.02019.45

preferences:
171.31 ms | 1394 KiB | 7 Q