3v4l.org

run code in 300+ PHP versions simultaneously
<?php Class D { public $data = 'data'; } Class T { public $firstChild; __construct(D $d) { $this->firstChild = $d; } } $d = new D; $item = new T($d); echo "$item->firstChild->data\n";

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)
5.4.320.0070.03512.52
5.4.310.0060.03712.52
5.4.300.0090.03412.51
5.4.290.0100.05012.51
5.4.280.0060.05312.41
5.4.270.0030.03912.41
5.4.260.0050.03712.41
5.4.250.0060.03612.40
5.4.240.0070.03412.41
5.4.230.0070.04412.40
5.4.220.0060.03512.39
5.4.210.0040.03612.39
5.4.200.0050.04112.39
5.4.190.0050.03712.39
5.4.180.0060.03512.39
5.4.170.0100.03712.40
5.4.160.0090.04312.40
5.4.150.0090.04612.39
5.4.140.0070.03812.09
5.4.130.0050.04012.07
5.4.120.0060.04512.04
5.4.110.0030.03812.02
5.4.100.0040.03612.03
5.4.90.0050.03612.02
5.4.80.0090.03312.03
5.4.70.0060.03712.02
5.4.60.0060.05112.02
5.4.50.0040.03712.03
5.4.40.0070.03812.02
5.4.30.0090.03212.00
5.4.20.0020.04012.00
5.4.10.0060.03712.01
5.4.00.0050.03611.50
5.3.290.0080.03712.80
5.3.280.0050.04012.71
5.3.270.0040.04012.72
5.3.260.0050.03912.72
5.3.250.0060.03712.72
5.3.240.0100.03312.72
5.3.230.0050.03912.71
5.3.220.0050.04212.68
5.3.210.0070.03712.68
5.3.200.0070.03512.68
5.3.190.0040.03912.68
5.3.180.0050.03712.68
5.3.170.0050.03712.67
5.3.160.0060.03612.68
5.3.150.0080.03612.68
5.3.140.0070.03412.66
5.3.130.0060.03812.66
5.3.120.0040.04012.66
5.3.110.0050.03812.66
5.3.100.0070.03512.11
5.3.90.0040.03812.10
5.3.80.0080.03412.09
5.3.70.0040.03812.09
5.3.60.0070.03512.08
5.3.50.0070.03512.02
5.3.40.0070.03512.02
5.3.30.0050.03511.98
5.3.20.0070.03611.76
5.3.10.0050.03611.73
5.3.00.0030.04011.71
5.2.170.0030.0329.22
5.2.160.0030.0309.22
5.2.150.0040.0319.21
5.2.140.0060.0289.21
5.2.130.0020.0319.18
5.2.120.0050.0289.17
5.2.110.0080.0309.18
5.2.100.0040.0289.18
5.2.90.0070.0299.17
5.2.80.0010.0389.17
5.2.70.0050.0299.18
5.2.60.0020.0329.13
5.2.50.0010.0349.10
5.2.40.0040.0299.07
5.2.30.0050.0299.05
5.2.20.0070.0349.04
5.2.10.0030.0298.94
5.2.00.0070.0288.80
5.1.60.0040.0258.08
5.1.50.0070.0228.08
5.1.40.0020.0268.06
5.1.30.0040.0268.42
5.1.20.0040.0348.44
5.1.10.0090.0248.16
5.1.00.0030.0268.16
5.0.50.0050.0206.64
5.0.40.0040.0186.50
5.0.30.0040.0356.31
5.0.20.0040.0216.28
5.0.10.0050.0206.25
5.0.00.0050.0326.25
4.4.90.0030.0154.77
4.4.80.0050.0184.76
4.4.70.0030.0154.76
4.4.60.0020.0164.76
4.4.50.0020.0164.77
4.4.40.0030.0264.71
4.4.30.0030.0194.76
4.4.20.0020.0174.84
4.4.10.0030.0164.85
4.4.00.0040.0294.75
4.3.110.0020.0174.67
4.3.100.0030.0184.66
4.3.90.0020.0154.63
4.3.80.0040.0224.58
4.3.70.0040.0134.63
4.3.60.0020.0154.63
4.3.50.0020.0164.63
4.3.40.0040.0254.54
4.3.30.0020.0173.30
4.3.20.0020.0163.28
4.3.10.0040.0143.24
4.3.00.0000.02015.62

preferences:
150.99 ms | 1398 KiB | 7 Q