3v4l.org

run code in 300+ PHP versions simultaneously
<?php class A{ public static $def = array('head'=>array('a'=>'b'),'fields'=>array('a'=>'field_a','b'=>'field_b')); } class B extends A { public function __construct() { B::$def = array_merge(parrent::$def,array('fields'=>array('c'=>'field_c')); } } var_dump(B::$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)
5.4.320.0080.03412.52
5.4.310.0080.03512.52
5.4.300.0060.03712.52
5.4.290.0050.03812.52
5.4.280.0060.03512.41
5.4.270.0060.03612.41
5.4.260.0120.03512.41
5.4.250.0070.03612.41
5.4.240.0060.03612.41
5.4.230.0080.03512.41
5.4.220.0050.04112.41
5.4.210.0050.03812.41
5.4.200.0050.03912.41
5.4.190.0060.03812.40
5.4.180.0040.03712.40
5.4.170.0060.03712.41
5.4.160.0060.03612.41
5.4.150.0030.03912.40
5.4.140.0080.05112.09
5.4.130.0060.04412.07
5.4.120.0060.03512.04
5.4.110.0060.03712.03
5.4.100.0060.03512.04
5.4.90.0060.03612.04
5.4.80.0090.04012.04
5.4.70.0070.03612.04
5.4.60.0080.03512.03
5.4.50.0070.03412.03
5.4.40.0040.04512.02
5.4.30.0070.03912.01
5.4.20.0080.04012.01
5.4.10.0080.03512.02
5.4.00.0060.03611.51
5.3.290.0090.04212.80
5.3.280.0060.04012.70
5.3.270.0100.03712.73
5.3.260.0060.04112.72
5.3.250.0080.04312.72
5.3.240.0060.04612.72
5.3.230.0060.04112.71
5.3.220.0080.03612.68
5.3.210.0070.03912.68
5.3.200.0050.03912.68
5.3.190.0050.04012.68
5.3.180.0100.04112.67
5.3.170.0070.03512.67
5.3.160.0050.03812.68
5.3.150.0040.04012.67
5.3.140.0080.04212.66
5.3.130.0040.04312.66
5.3.120.0070.03812.66
5.3.110.0060.04912.65
5.3.100.0040.04012.13
5.3.90.0030.03912.11
5.3.80.0040.03812.09
5.3.70.0030.04112.09
5.3.60.0040.04112.09
5.3.50.0070.04312.03
5.3.40.0090.04212.03
5.3.30.0080.03911.99
5.3.20.0070.04811.77
5.3.10.0060.05011.74
5.3.00.0060.04111.72
5.2.170.0060.0299.22
5.2.160.0050.0289.22
5.2.150.0080.0279.22
5.2.140.0090.0299.21
5.2.130.0090.0259.18
5.2.120.0080.0339.18
5.2.110.0070.0279.18
5.2.100.0030.0309.18
5.2.90.0030.0309.18
5.2.80.0050.0309.18
5.2.70.0040.0329.18
5.2.60.0050.0389.14
5.2.50.0030.0339.10
5.2.40.0060.0289.07
5.2.30.0070.0309.05
5.2.20.0040.0299.05
5.2.10.0050.0348.95
5.2.00.0050.0288.82
5.1.60.0020.0268.10
5.1.50.0030.0288.09
5.1.40.0040.0288.07
5.1.30.0020.0298.43
5.1.20.0010.0298.44
5.1.10.0050.0248.18
5.1.00.0050.0248.18
5.0.50.0040.0206.65
5.0.40.0040.0196.51
5.0.30.0050.0326.32
5.0.20.0020.0206.28
5.0.10.0040.0196.27
5.0.00.0040.0306.26
4.4.90.0000.0194.78
4.4.80.0010.0174.75
4.4.70.0050.0134.76
4.4.60.0010.0174.76
4.4.50.0060.0124.77
4.4.40.0030.0254.71
4.4.30.0010.0184.76
4.4.20.0020.0164.84
4.4.10.0030.0174.85
4.4.00.0020.0254.76
4.3.110.0040.0144.67
4.3.100.0050.0134.66
4.3.90.0030.0144.63
4.3.80.0050.0224.58
4.3.70.0010.0184.63
4.3.60.0010.0174.63
4.3.50.0000.0184.63
4.3.40.0040.0224.54
4.3.30.0020.0153.30
4.3.20.0030.0173.28
4.3.10.0020.0163.24
4.3.00.0030.01715.63

preferences:
139.02 ms | 1398 KiB | 7 Q