3v4l.org

run code in 300+ PHP versions simultaneously
<?php class A { protected $x; public function __construcg() { $this->x = 1; } public function hi() { return __METHOD__ . ': x = ' . $x; } } class B extends A { $this->x = 2; } $b = new B(); echo $b->hi();

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)
5.4.320.0060.03712.52
5.4.310.0100.04612.52
5.4.300.0080.03612.52
5.4.290.0050.03812.51
5.4.280.0110.04112.41
5.4.270.0060.03712.41
5.4.260.0090.04112.41
5.4.250.0090.04112.41
5.4.240.0070.03512.41
5.4.230.0050.03912.40
5.4.220.0090.03312.40
5.4.210.0050.03612.41
5.4.200.0070.03712.41
5.4.190.0070.03512.40
5.4.180.0090.03512.40
5.4.170.0060.03712.41
5.4.160.0080.05212.40
5.4.150.0100.04212.40
5.4.140.0080.04412.09
5.4.130.0090.04412.07
5.4.120.0090.03212.04
5.4.110.0060.03712.04
5.4.100.0060.03612.03
5.4.90.0050.03812.04
5.4.80.0070.03612.03
5.4.70.0080.03312.03
5.4.60.0070.03312.03
5.4.50.0070.04212.03
5.4.40.0080.03912.02
5.4.30.0060.03612.02
5.4.20.0070.03512.01
5.4.10.0100.03512.02
5.4.00.0070.03311.51
5.3.290.0070.03812.80
5.3.280.0070.03612.70
5.3.270.0100.03512.72
5.3.260.0100.04812.71
5.3.250.0090.05112.71
5.3.240.0090.04212.72
5.3.230.0070.04012.71
5.3.220.0060.04612.68
5.3.210.0110.04412.68
5.3.200.0090.04012.68
5.3.190.0120.03612.67
5.3.180.0050.03712.68
5.3.170.0060.03712.67
5.3.160.0050.03712.67
5.3.150.0080.04212.67
5.3.140.0040.03812.66
5.3.130.0080.04412.66
5.3.120.0080.04712.66
5.3.110.0090.03612.66
5.3.100.0070.03512.13
5.3.90.0110.03212.11
5.3.80.0040.03812.10
5.3.70.0080.04312.10
5.3.60.0070.04512.09
5.3.50.0090.04112.03
5.3.40.0050.04112.05
5.3.30.0110.04011.98
5.3.20.0070.04211.77
5.3.10.0080.03911.73
5.3.00.0090.03611.72
5.2.170.0060.0399.22
5.2.160.0060.0469.22
5.2.150.0070.0539.22
5.2.140.0070.0359.22
5.2.130.0080.0339.18
5.2.120.0050.0319.18
5.2.110.0090.0419.19
5.2.100.0090.0309.18
5.2.90.0070.0349.18
5.2.80.0040.0329.18
5.2.70.0060.0299.17
5.2.60.0120.0289.13
5.2.50.0030.0319.11
5.2.40.0060.0309.08
5.2.30.0030.0349.05
5.2.20.0110.0419.04
5.2.10.0070.0328.95
5.2.00.0070.0268.81
5.1.60.0050.0238.09
5.1.50.0030.0398.09
5.1.40.0050.0318.07
5.1.30.0090.0248.42
5.1.20.0120.0308.45
5.1.10.0030.0288.16
5.1.00.0070.0288.16
5.0.50.0020.0226.65
5.0.40.0090.0236.51
5.0.30.0060.0346.32
5.0.20.0060.0206.28
5.0.10.0020.0226.26
5.0.00.0040.0316.26
4.4.90.0040.0204.78
4.4.80.0040.0304.75
4.4.70.0050.0174.75
4.4.60.0030.0164.75
4.4.50.0040.0234.77
4.4.40.0050.0354.71
4.4.30.0050.0214.76
4.4.20.0050.0244.84
4.4.10.0040.0274.85
4.4.00.0050.0254.76
4.3.110.0040.0294.67
4.3.100.0050.0154.66
4.3.90.0040.0194.63
4.3.80.0020.0314.59
4.3.70.0050.0244.63
4.3.60.0030.0194.63
4.3.50.0010.0284.63
4.3.40.0050.0294.54
4.3.30.0020.0193.30
4.3.20.0010.0173.28
4.3.10.0010.0233.23
4.3.00.0000.01314.87

preferences:
145 ms | 1386 KiB | 7 Q