3v4l.org

run code in 300+ PHP versions simultaneously
<?php class A{ public static $def = array('head'=>array('a'=>'b'),'fields'=>array('a'=>'field_a','b'=>'field_b')); } class B extends A { public static $def = array_merge(array('t'=>'b'),array('c'=>'field_c')); } var_dump(B::$def);

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)
5.4.320.0040.03712.52
5.4.310.0040.03912.51
5.4.300.0090.03712.51
5.4.290.0100.03412.51
5.4.280.0070.03612.41
5.4.270.0060.03812.41
5.4.260.0090.03712.40
5.4.250.0050.03812.40
5.4.240.0090.03312.41
5.4.230.0080.03612.40
5.4.220.0110.03412.39
5.4.210.0080.03412.40
5.4.200.0080.03812.40
5.4.190.0030.03912.39
5.4.180.0060.03612.39
5.4.170.0050.03612.40
5.4.160.0070.03412.39
5.4.150.0060.03512.39
5.4.140.0050.03812.08
5.4.130.0040.03812.06
5.4.120.0070.03712.03
5.4.110.0070.03712.03
5.4.100.0060.03512.02
5.4.90.0040.03812.03
5.4.80.0100.03412.03
5.4.70.0040.03912.02
5.4.60.0060.03412.02
5.4.50.0050.03612.02
5.4.40.0050.03512.02
5.4.30.0060.03512.00
5.4.20.0050.03612.00
5.4.10.0050.03512.01
5.4.00.0020.03911.50
5.3.290.0050.04212.80
5.3.280.0080.03512.71
5.3.270.0040.04512.72
5.3.260.0030.04312.72
5.3.250.0070.04012.72
5.3.240.0070.03912.72
5.3.230.0110.03912.71
5.3.220.0060.03712.68
5.3.210.0080.03712.68
5.3.200.0050.03612.68
5.3.190.0090.03812.68
5.3.180.0080.03712.68
5.3.170.0080.03812.67
5.3.160.0080.03712.68
5.3.150.0060.04212.68
5.3.140.0060.04112.66
5.3.130.0070.05112.66
5.3.120.0070.03812.66
5.3.110.0050.04512.66
5.3.100.0060.03912.12
5.3.90.0040.04012.10
5.3.80.0060.03512.09
5.3.70.0050.03612.09
5.3.60.0050.03712.08
5.3.50.0040.03712.02
5.3.40.0040.03712.02
5.3.30.0050.04011.98
5.3.20.0030.03711.76
5.3.10.0040.03511.73
5.3.00.0070.03911.71
5.2.170.0060.0299.21
5.2.160.0020.0339.22
5.2.150.0100.0249.22
5.2.140.0030.0319.21
5.2.130.0030.0299.17
5.2.120.0070.0259.17
5.2.110.0030.0309.18
5.2.100.0050.0279.18
5.2.90.0020.0319.18
5.2.80.0050.0309.17
5.2.70.0060.0309.18
5.2.60.0050.0339.13
5.2.50.0050.0309.10
5.2.40.0060.0279.07
5.2.30.0030.0339.05
5.2.20.0070.0319.04
5.2.10.0090.0288.94
5.2.00.0030.0318.80
5.1.60.0010.0268.09
5.1.50.0060.0248.08
5.1.40.0040.0268.07
5.1.30.0040.0268.42
5.1.20.0040.0298.43
5.1.10.0040.0318.16
5.1.00.0060.0298.16
5.0.50.0020.0216.64
5.0.40.0030.0196.50
5.0.30.0020.0356.31
5.0.20.0040.0206.28
5.0.10.0040.0196.26
5.0.00.0020.0316.25
4.4.90.0020.0164.78
4.4.80.0030.0154.76
4.4.70.0030.0154.75
4.4.60.0010.0174.76
4.4.50.0030.0194.77
4.4.40.0030.0284.71
4.4.30.0060.0174.76
4.4.20.0030.0144.84
4.4.10.0010.0174.84
4.4.00.0050.0314.76
4.3.110.0040.0204.67
4.3.100.0020.0194.66
4.3.90.0020.0184.63
4.3.80.0060.0254.58
4.3.70.0020.0194.63
4.3.60.0050.0164.63
4.3.50.0030.0184.63
4.3.40.0030.0304.54
4.3.30.0020.0163.30
4.3.20.0040.0153.28
4.3.10.0020.0163.23
4.3.00.0130.01715.63

preferences:
144.17 ms | 939 KiB | 8 Q