3v4l.org

run code in 300+ PHP versions simultaneously
<?php class A { protected $x; public function __construct() { $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)
5.4.320.0090.03312.52
5.4.310.0070.05112.52
5.4.300.0100.03912.52
5.4.290.0070.05612.52
5.4.280.0050.03812.41
5.4.270.0050.03812.41
5.4.260.0060.03712.41
5.4.250.0070.03812.41
5.4.240.0090.03212.41
5.4.230.0050.03912.40
5.4.220.0060.03612.40
5.4.210.0090.03112.41
5.4.200.0070.03612.40
5.4.190.0070.03412.40
5.4.180.0030.03912.40
5.4.170.0080.03412.41
5.4.160.0040.03712.41
5.4.150.0050.03712.40
5.4.140.0050.03712.09
5.4.130.0070.03612.06
5.4.120.0080.03312.04
5.4.110.0050.03612.04
5.4.100.0040.03612.04
5.4.90.0050.03712.04
5.4.80.0030.03812.04
5.4.70.0050.03412.03
5.4.60.0040.03612.03
5.4.50.0020.03912.03
5.4.40.0060.03512.02
5.4.30.0050.03612.02
5.4.20.0060.04012.02
5.4.10.0030.03912.02
5.4.00.0050.03811.51
5.3.290.0110.03412.80
5.3.280.0060.03712.71
5.3.270.0080.03612.72
5.3.260.0080.03712.72
5.3.250.0060.03712.72
5.3.240.0070.03612.72
5.3.230.0090.04512.71
5.3.220.0080.03512.68
5.3.210.0060.03812.68
5.3.200.0070.03512.68
5.3.190.0040.03912.68
5.3.180.0070.03412.68
5.3.170.0070.03612.67
5.3.160.0060.04012.67
5.3.150.0060.03712.67
5.3.140.0040.03812.66
5.3.130.0060.04812.66
5.3.120.0080.04012.65
5.3.110.0040.04012.66
5.3.100.0080.03512.13
5.3.90.0070.03512.11
5.3.80.0050.03812.10
5.3.70.0060.03612.10
5.3.60.0050.03712.09
5.3.50.0070.03512.03
5.3.40.0100.03212.03
5.3.30.0060.03411.98
5.3.20.0070.03411.77
5.3.10.0070.03311.74
5.3.00.0040.03811.72
5.2.170.0050.0299.22
5.2.160.0030.0319.23
5.2.150.0020.0369.23
5.2.140.0070.0289.22
5.2.130.0030.0319.18
5.2.120.0050.0319.18
5.2.110.0040.0329.19
5.2.100.0060.0269.18
5.2.90.0050.0339.18
5.2.80.0050.0299.18
5.2.70.0050.0309.18
5.2.60.0040.0309.13
5.2.50.0100.0379.11
5.2.40.0040.0399.08
5.2.30.0040.0329.05
5.2.20.0050.0299.04
5.2.10.0020.0328.95
5.2.00.0060.0288.81
5.1.60.0060.0228.10
5.1.50.0070.0228.09
5.1.40.0040.0328.08
5.1.30.0070.0248.43
5.1.20.0030.0328.45
5.1.10.0050.0308.16
5.1.00.0040.0338.17
5.0.50.0040.0206.65
5.0.40.0010.0216.51
5.0.30.0020.0336.32
5.0.20.0050.0176.29
5.0.10.0040.0196.26
5.0.00.0020.0406.25
4.4.90.0030.0194.77
4.4.80.0030.0144.75
4.4.70.0020.0164.75
4.4.60.0040.0144.76
4.4.50.0020.0164.77
4.4.40.0030.0254.71
4.4.30.0020.0164.76
4.4.20.0000.0184.84
4.4.10.0010.0174.85
4.4.00.0040.0234.76
4.3.110.0030.0164.67
4.3.100.0030.0154.66
4.3.90.0010.0164.63
4.3.80.0020.0244.59
4.3.70.0040.0134.63
4.3.60.0010.0164.63
4.3.50.0050.0134.63
4.3.40.0040.0224.53
4.3.30.0020.0163.30
4.3.20.0020.0163.28
4.3.10.0030.0163.23
4.3.00.0000.01714.87

preferences:
139.22 ms | 1394 KiB | 7 Q