3v4l.org

run code in 300+ PHP versions simultaneously
<?php Class D { public $data = 'data'; } Class T { public $firstChild; __construct($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)
5.4.320.0040.03812.52
5.4.310.0070.03612.51
5.4.300.0050.05212.52
5.4.290.0040.04812.51
5.4.280.0030.03812.41
5.4.270.0060.03612.41
5.4.260.0040.03912.41
5.4.250.0040.03912.41
5.4.240.0060.03512.40
5.4.230.0050.03812.40
5.4.220.0050.03712.39
5.4.210.0080.03212.40
5.4.200.0090.05212.40
5.4.190.0110.04112.39
5.4.180.0070.04312.39
5.4.170.0060.05112.40
5.4.160.0030.04012.40
5.4.150.0030.04012.39
5.4.140.0050.04012.09
5.4.130.0080.03712.06
5.4.120.0060.03812.03
5.4.110.0060.03512.03
5.4.100.0060.03512.03
5.4.90.0060.03712.02
5.4.80.0060.03612.02
5.4.70.0050.03512.02
5.4.60.0080.03812.02
5.4.50.0080.03512.03
5.4.40.0050.03812.01
5.4.30.0070.03412.01
5.4.20.0070.03312.00
5.4.10.0060.03412.00
5.4.00.0050.03611.50
5.3.290.0030.04112.80
5.3.280.0070.03612.71
5.3.270.0040.03912.72
5.3.260.0080.03612.72
5.3.250.0060.03912.72
5.3.240.0120.03912.72
5.3.230.0050.04412.70
5.3.220.0060.03612.68
5.3.210.0040.04112.68
5.3.200.0040.03812.68
5.3.190.0100.03512.68
5.3.180.0080.03512.68
5.3.170.0090.03312.67
5.3.160.0040.03712.67
5.3.150.0060.03712.67
5.3.140.0040.03712.66
5.3.130.0040.04212.66
5.3.120.0070.03912.66
5.3.110.0030.04212.66
5.3.100.0070.03612.12
5.3.90.0070.03812.10
5.3.80.0090.03312.09
5.3.70.0100.03212.09
5.3.60.0050.03712.08
5.3.50.0070.03512.02
5.3.40.0090.03312.02
5.3.30.0060.03511.98
5.3.20.0050.03711.76
5.3.10.0040.03711.73
5.3.00.0100.03111.71
5.2.170.0060.0289.22
5.2.160.0030.0359.22
5.2.150.0050.0319.22
5.2.140.0060.0309.21
5.2.130.0050.0289.17
5.2.120.0030.0309.18
5.2.110.0060.0299.18
5.2.100.0040.0319.17
5.2.90.0050.0289.18
5.2.80.0050.0299.17
5.2.70.0070.0289.17
5.2.60.0060.0299.13
5.2.50.0050.0409.10
5.2.40.0050.0289.07
5.2.30.0050.0319.05
5.2.20.0020.0339.04
5.2.10.0040.0298.94
5.2.00.0030.0318.80
5.1.60.0060.0288.08
5.1.50.0070.0308.08
5.1.40.0090.0198.06
5.1.30.0090.0218.41
5.1.20.0030.0288.44
5.1.10.0060.0248.16
5.1.00.0060.0298.16
5.0.50.0050.0236.64
5.0.40.0060.0176.50
5.0.30.0030.0316.31
5.0.20.0040.0186.28
5.0.10.0040.0216.25
5.0.00.0040.0306.25
4.4.90.0020.0164.78
4.4.80.0050.0134.75
4.4.70.0010.0174.76
4.4.60.0020.0164.76
4.4.50.0020.0164.77
4.4.40.0020.0264.71
4.4.30.0030.0154.76
4.4.20.0010.0184.84
4.4.10.0030.0154.85
4.4.00.0020.0254.76
4.3.110.0020.0164.67
4.3.100.0040.0134.66
4.3.90.0000.0164.63
4.3.80.0020.0404.58
4.3.70.0060.0154.63
4.3.60.0040.0234.63
4.3.50.0040.0204.63
4.3.40.0050.0214.54
4.3.30.0020.0223.30
4.3.20.0010.0163.28
4.3.10.0010.0163.24
4.3.00.0100.01315.62

preferences:
149.08 ms | 1398 KiB | 7 Q