3v4l.org

run code in 300+ PHP versions simultaneously
<?php abstract class parentc { protected static $config=1; protected static $db; } class x extends parentc { public function __construct() { static::$config='x'; echo (static::$config); public function echoc() { echo (static::$config); } } } class y extends parentc { public function __construct() { static::$config='y'; echo (static::$config); } public function echoc() { echo (static::$config); } } $x=new x(); $y=new y();

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)
5.4.320.0070.04012.52
5.4.310.0050.03912.52
5.4.300.0070.03612.52
5.4.290.0060.04012.52
5.4.280.0080.03412.41
5.4.270.0050.03712.41
5.4.260.0090.03612.41
5.4.250.0060.03712.41
5.4.240.0070.03612.41
5.4.230.0050.03912.40
5.4.220.0090.03712.40
5.4.210.0080.03512.40
5.4.200.0030.04112.40
5.4.190.0060.03512.40
5.4.180.0090.03312.40
5.4.170.0050.03712.40
5.4.160.0130.03812.40
5.4.150.0080.03412.39
5.4.140.0050.03712.09
5.4.130.0070.03812.07
5.4.120.0070.03412.04
5.4.110.0060.03712.03
5.4.100.0040.03712.03
5.4.90.0060.03612.03
5.4.80.0070.03612.03
5.4.70.0060.03412.03
5.4.60.0090.03212.02
5.4.50.0060.03412.03
5.4.40.0050.03512.01
5.4.30.0060.03512.01
5.4.20.0040.03912.01
5.4.10.0050.03512.01
5.4.00.0040.03711.50
5.3.290.0040.04112.80
5.3.280.0050.03812.71
5.3.270.0070.04612.73
5.3.260.0060.03912.72
5.3.250.0080.03512.72
5.3.240.0050.03812.71
5.3.230.0050.04312.71
5.3.220.0090.03712.68
5.3.210.0120.03912.68
5.3.200.0070.03612.68
5.3.190.0060.03812.68
5.3.180.0060.03612.67
5.3.170.0100.03212.67
5.3.160.0070.03512.68
5.3.150.0070.03612.68
5.3.140.0080.03812.66
5.3.130.0070.04712.66
5.3.120.0070.03712.66
5.3.110.0070.04212.66
5.3.100.0080.03412.13
5.3.90.0080.03412.11
5.3.80.0040.03812.09
5.3.70.0080.03412.09
5.3.60.0120.03912.08
5.3.50.0090.03612.02
5.3.40.0070.03612.03
5.3.30.0040.03611.99
5.3.20.0040.03711.78
5.3.10.0070.03311.73
5.3.00.0070.03711.72
5.2.170.0050.0349.22
5.2.160.0070.0279.22
5.2.150.0070.0289.22
5.2.140.0020.0389.22
5.2.130.0050.0339.18
5.2.120.0050.0289.18
5.2.110.0040.0309.18
5.2.100.0050.0299.18
5.2.90.0040.0309.18
5.2.80.0060.0289.18
5.2.70.0080.0279.18
5.2.60.0050.0329.13
5.2.50.0080.0329.10
5.2.40.0040.0319.07
5.2.30.0080.0279.06
5.2.20.0040.0299.04
5.2.10.0060.0318.95
5.2.00.0040.0318.82
5.1.60.0030.0248.09
5.1.50.0030.0268.09
5.1.40.0070.0228.07
5.1.30.0040.0268.43
5.1.20.0030.0288.44
5.1.10.0050.0298.16
5.1.00.0030.0308.16
5.0.50.0020.0226.64
5.0.40.0030.0216.50
5.0.30.0060.0306.31
5.0.20.0030.0196.29
5.0.10.0060.0246.26
5.0.00.0030.0326.25
4.4.90.0040.0144.78
4.4.80.0030.0154.76
4.4.70.0050.0134.75
4.4.60.0030.0154.75
4.4.50.0030.0154.77
4.4.40.0030.0254.70
4.4.30.0040.0144.76
4.4.20.0030.0164.85
4.4.10.0040.0214.85
4.4.00.0040.0264.76
4.3.110.0040.0154.66
4.3.100.0030.0154.67
4.3.90.0020.0154.63
4.3.80.0020.0254.58
4.3.70.0040.0144.63
4.3.60.0040.0134.63
4.3.50.0030.0154.63
4.3.40.0040.0234.54
4.3.30.0010.0173.29
4.3.20.0010.0173.26
4.3.10.0010.0163.22
4.3.00.0030.01018.23

preferences:
145.9 ms | 1394 KiB | 7 Q