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 $def = array_merge(parent::$def,array(1,2,3)); } 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)
5.4.320.0100.03712.51
5.4.310.0060.04512.51
5.4.300.0040.03812.52
5.4.290.0060.04112.50
5.4.280.0090.03512.41
5.4.270.0080.03512.41
5.4.260.0070.03912.41
5.4.250.0090.03912.41
5.4.240.0100.03112.41
5.4.230.0050.03712.39
5.4.220.0040.03712.39
5.4.210.0070.03312.39
5.4.200.0050.03812.40
5.4.190.0070.03512.39
5.4.180.0040.03712.39
5.4.170.0090.03412.40
5.4.160.0040.04412.39
5.4.150.0070.03412.39
5.4.140.0050.03812.08
5.4.130.0060.03512.06
5.4.120.0040.03712.03
5.4.110.0040.03712.03
5.4.100.0040.03712.03
5.4.90.0070.04012.02
5.4.80.0100.04312.03
5.4.70.0040.03912.02
5.4.60.0050.03512.02
5.4.50.0070.03312.02
5.4.40.0050.03412.01
5.4.30.0070.03412.01
5.4.20.0050.04112.00
5.4.10.0070.03212.00
5.4.00.0070.03411.50
5.3.290.0050.05012.80
5.3.280.0050.03912.71
5.3.270.0050.04012.73
5.3.260.0070.04012.72
5.3.250.0120.03112.72
5.3.240.0070.03612.72
5.3.230.0050.03912.71
5.3.220.0060.03712.68
5.3.210.0070.03812.68
5.3.200.0080.03312.68
5.3.190.0060.04212.67
5.3.180.0070.03812.68
5.3.170.0090.03412.67
5.3.160.0080.03412.67
5.3.150.0090.03412.67
5.3.140.0040.04112.66
5.3.130.0070.03812.66
5.3.120.0070.04712.66
5.3.110.0040.04112.65
5.3.100.0080.03512.12
5.3.90.0050.03712.10
5.3.80.0040.03712.09
5.3.70.0050.03612.09
5.3.60.0040.03812.08
5.3.50.0060.03612.02
5.3.40.0030.04212.02
5.3.30.0060.03411.98
5.3.20.0050.03511.76
5.3.10.0050.03511.73
5.3.00.0050.04011.71
5.2.170.0060.0299.21
5.2.160.0060.0339.21
5.2.150.0050.0319.22
5.2.140.0030.0329.21
5.2.130.0040.0289.17
5.2.120.0040.0339.17
5.2.110.0070.0279.18
5.2.100.0040.0289.18
5.2.90.0050.0299.18
5.2.80.0040.0339.17
5.2.70.0080.0319.17
5.2.60.0050.0309.13
5.2.50.0030.0329.09
5.2.40.0060.0279.07
5.2.30.0020.0329.05
5.2.20.0050.0299.04
5.2.10.0040.0288.94
5.2.00.0030.0308.80
5.1.60.0050.0238.09
5.1.50.0070.0218.08
5.1.40.0030.0298.07
5.1.30.0070.0288.41
5.1.20.0050.0308.44
5.1.10.0040.0278.16
5.1.00.0050.0258.16
5.0.50.0030.0266.64
5.0.40.0070.0196.50
5.0.30.0030.0356.31
5.0.20.0020.0206.28
5.0.10.0020.0216.26
5.0.00.0030.0316.25
4.4.90.0020.0174.78
4.4.80.0020.0164.76
4.4.70.0020.0164.75
4.4.60.0020.0164.76
4.4.50.0030.0164.77
4.4.40.0040.0274.71
4.4.30.0020.0164.76
4.4.20.0010.0174.84
4.4.10.0050.0124.85
4.4.00.0040.0234.76
4.3.110.0010.0174.66
4.3.100.0020.0194.67
4.3.90.0030.0154.64
4.3.80.0050.0244.59
4.3.70.0040.0134.63
4.3.60.0020.0184.63
4.3.50.0040.0154.63
4.3.40.0030.0234.54
4.3.30.0000.0173.30
4.3.20.0020.0153.28
4.3.10.0020.0153.23
4.3.00.0070.01315.63

preferences:
142.08 ms | 1386 KiB | 7 Q