3v4l.org

run code in 300+ PHP versions simultaneously
<?php Class X { public $names = array('bob', 'fred'); } Class Y extends X { public $names = array_merge(parent::names, array('alice')); } $x = new X(); var_dump($x->names); $y = new Y(); var_dump($y->names);

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)
5.4.310.0050.03812.50
5.4.300.0080.03812.52
5.4.290.0060.04712.51
5.4.280.0060.04212.40
5.4.270.0070.04112.41
5.4.260.0070.04212.41
5.4.250.0060.04212.41
5.4.240.0070.03612.40
5.4.230.0060.03712.39
5.4.220.0050.03612.40
5.4.210.0040.03712.40
5.4.200.0050.03712.39
5.4.190.0020.03812.39
5.4.180.0030.04312.39
5.4.170.0030.03712.40
5.4.160.0070.03412.39
5.4.150.0050.03612.39
5.4.140.0050.03612.08
5.4.130.0070.03412.06
5.4.120.0050.03512.03
5.4.110.0040.03612.03
5.4.100.0060.03412.03
5.4.90.0050.03812.02
5.4.80.0040.03812.03
5.4.70.0070.03312.02
5.4.60.0040.03612.02
5.4.50.0030.03712.02
5.4.40.0050.03412.01
5.4.30.0060.03412.01
5.4.20.0030.03812.00
5.4.10.0080.03312.01
5.4.00.0070.03411.50
5.3.280.0030.04012.71
5.3.270.0080.03712.73
5.3.260.0030.04212.72
5.3.250.0050.03812.72
5.3.240.0080.03512.72
5.3.230.0050.04212.71
5.3.220.0090.03412.68
5.3.210.0090.03512.68
5.3.200.0060.03612.68
5.3.190.0030.03912.68
5.3.180.0050.03612.67
5.3.170.0050.03712.66
5.3.160.0080.03612.68
5.3.150.0060.03912.68
5.3.140.0040.03912.66
5.3.130.0070.03812.65
5.3.120.0050.03812.66
5.3.110.0070.03712.66
5.3.100.0070.03512.13
5.3.90.0050.03712.10
5.3.80.0090.04012.09
5.3.70.0020.03912.09
5.3.60.0020.03912.07
5.3.50.0040.03712.02
5.3.40.0080.03312.02
5.3.30.0070.03411.98
5.3.20.0030.04611.77
5.3.10.0030.03711.73
5.3.00.0070.03411.71
5.2.170.0030.0319.21
5.2.160.0050.0289.22
5.2.150.0040.0319.22
5.2.140.0050.0299.21
5.2.130.0030.0299.18
5.2.120.0060.0269.17
5.2.110.0040.0299.18
5.2.100.0060.0289.18
5.2.90.0030.0319.18
5.2.80.0060.0289.18
5.2.70.0050.0299.17
5.2.60.0050.0299.13
5.2.50.0080.0279.09
5.2.40.0020.0309.07
5.2.30.0060.0289.05
5.2.20.0040.0299.03
5.2.10.0050.0288.94
5.2.00.0040.0308.80
5.1.60.0030.0298.08
5.1.50.0050.0238.09
5.1.40.0050.0338.07
5.1.30.0060.0268.42
5.1.20.0030.0288.44
5.1.10.0070.0238.16
5.1.00.0060.0248.16
5.0.50.0030.0216.64
5.0.40.0030.0196.50
5.0.30.0030.0326.31
5.0.20.0020.0206.28
5.0.10.0060.0176.26
5.0.00.0030.0306.25
4.4.90.0030.0154.78
4.4.80.0040.0144.76
4.4.70.0040.0144.75
4.4.60.0020.0164.75
4.4.50.0030.0154.77
4.4.40.0030.0254.71
4.4.30.0030.0154.76
4.4.20.0020.0164.84
4.4.10.0040.0144.85
4.4.00.0040.0244.76
4.3.110.0010.0174.67
4.3.100.0010.0164.66
4.3.90.0010.0164.63
4.3.80.0010.0264.58
4.3.70.0020.0154.63
4.3.60.0010.0174.63
4.3.50.0040.0154.63
4.3.40.0040.0244.54
4.3.30.0000.0183.30
4.3.20.0000.0183.28
4.3.10.0020.0163.24
4.3.00.0200.0207.56

preferences:
142.21 ms | 1394 KiB | 7 Q