3v4l.org

run code in 300+ PHP versions simultaneously
<?php class A{ protected $a = array('a' => 'a'); protected $b = array('b' => 'b'); protected $c = self::$a; }

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)
5.4.320.0090.03712.51
5.4.310.0070.04212.51
5.4.300.0060.03712.51
5.4.290.0040.04212.51
5.4.280.0060.03612.40
5.4.270.0040.04312.41
5.4.260.0040.04312.41
5.4.250.0080.04612.40
5.4.240.0050.05012.40
5.4.230.0030.04012.40
5.4.220.0050.03912.39
5.4.210.0050.03712.39
5.4.200.0060.03712.39
5.4.190.0070.03512.39
5.4.180.0090.03512.39
5.4.170.0060.03512.40
5.4.160.0080.04012.40
5.4.150.0060.03712.39
5.4.140.0040.04012.09
5.4.130.0030.03812.07
5.4.120.0090.03212.03
5.4.110.0060.04112.03
5.4.100.0060.03512.03
5.4.90.0050.03712.03
5.4.80.0030.03812.02
5.4.70.0080.03412.02
5.4.60.0040.03712.02
5.4.50.0060.03712.02
5.4.40.0070.03312.01
5.4.30.0050.03512.01
5.4.20.0070.03812.00
5.4.10.0070.04612.00
5.4.00.0070.03411.50
5.3.290.0040.05112.80
5.3.280.0050.03912.71
5.3.270.0050.04012.72
5.3.260.0060.03912.72
5.3.250.0080.03612.72
5.3.240.0040.03812.72
5.3.230.0040.03912.71
5.3.220.0050.03812.68
5.3.210.0060.03812.68
5.3.200.0080.04712.68
5.3.190.0050.03812.68
5.3.180.0050.03612.67
5.3.170.0070.03812.67
5.3.160.0040.03712.68
5.3.150.0040.03712.68
5.3.140.0080.03412.66
5.3.130.0050.04412.66
5.3.120.0070.03712.65
5.3.110.0070.03712.66
5.3.100.0060.04712.12
5.3.90.0050.04512.10
5.3.80.0040.04512.09
5.3.70.0060.03812.09
5.3.60.0080.03712.08
5.3.50.0030.03812.02
5.3.40.0040.03812.02
5.3.30.0070.04811.98
5.3.20.0040.04311.76
5.3.10.0060.03411.73
5.3.00.0050.03811.71
5.2.170.0050.0339.21
5.2.160.0040.0379.21
5.2.150.0070.0339.21
5.2.140.0020.0339.21
5.2.130.0050.0289.18
5.2.120.0100.0229.17
5.2.110.0050.0299.18
5.2.100.0050.0309.18
5.2.90.0070.0279.17
5.2.80.0070.0309.17
5.2.70.0070.0309.17
5.2.60.0020.0359.13
5.2.50.0050.0299.09
5.2.40.0020.0329.07
5.2.30.0040.0319.04
5.2.20.0020.0329.04
5.2.10.0080.0238.94
5.2.00.0060.0288.80
5.1.60.0030.0258.08
5.1.50.0060.0248.08
5.1.40.0040.0258.07
5.1.30.0050.0348.41
5.1.20.0040.0308.44
5.1.10.0060.0288.16
5.1.00.0020.0278.16
5.0.50.0040.0196.64
5.0.40.0020.0206.50
5.0.30.0040.0306.31
5.0.20.0040.0186.27
5.0.10.0050.0186.26
5.0.00.0030.0306.25
4.4.90.0000.0174.77
4.4.80.0060.0134.75
4.4.70.0040.0144.75
4.4.60.0010.0164.76
4.4.50.0040.0164.77
4.4.40.0010.0304.71
4.4.30.0020.0154.76
4.4.20.0020.0154.84
4.4.10.0020.0164.85
4.4.00.0040.0244.76
4.3.110.0020.0204.67
4.3.100.0040.0134.66
4.3.90.0030.0164.63
4.3.80.0040.0284.58
4.3.70.0040.0134.63
4.3.60.0050.0124.62
4.3.50.0000.0184.63
4.3.40.0010.0274.53
4.3.30.0020.0173.30
4.3.20.0030.0153.28
4.3.10.0030.0143.23
4.3.00.0130.0207.13

preferences:
139.51 ms | 1398 KiB | 7 Q