3v4l.org

run code in 300+ PHP versions simultaneously
<?php class Foo { public $_bar = 'baz'; public function __construct() { $array = array(&$this->_bar); forach ($array as &$field) { $field = 'bat'; } } } $foo = new Foo; echo $foo->_bar;

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
5.4.310.0070.03712.52
5.4.300.0050.03712.51
5.4.290.0130.03012.51
5.4.280.0060.04712.41
5.4.270.0060.03512.41
5.4.260.0070.03912.41
5.4.250.0060.04112.41
5.4.240.0070.03912.41
5.4.230.0070.03912.40
5.4.220.0040.03912.40
5.4.210.0090.03612.40
5.4.200.0030.04012.40
5.4.190.0050.03712.40
5.4.180.0050.03712.40
5.4.170.0060.03612.41
5.4.160.0050.03712.40
5.4.150.0070.03412.39
5.4.140.0060.04012.09
5.4.130.0050.03712.07
5.4.120.0040.03712.03
5.4.110.0060.03512.03
5.4.100.0020.04012.03
5.4.90.0040.03912.03
5.4.80.0070.03612.03
5.4.70.0090.03112.02
5.4.60.0050.03612.03
5.4.50.0040.03912.02
5.4.40.0080.03412.02
5.4.30.0040.03712.01
5.4.20.0090.03212.01
5.4.10.0070.03412.01
5.4.00.0060.03511.50
5.3.290.0050.04112.80
5.3.280.0050.03812.71
5.3.270.0060.03812.72
5.3.260.0060.03912.72
5.3.250.0110.03212.72
5.3.240.0050.03912.72
5.3.230.0060.04512.71
5.3.220.0080.03412.68
5.3.210.0070.03712.68
5.3.200.0060.03612.68
5.3.190.0040.03912.67
5.3.180.0060.04012.68
5.3.170.0060.03712.67
5.3.160.0090.03412.68
5.3.150.0080.03512.67
5.3.140.0060.03612.66
5.3.130.0060.03812.66
5.3.120.0080.03712.66
5.3.110.0070.03812.65
5.3.100.0090.03412.12
5.3.90.0110.03712.10
5.3.80.0060.03712.09
5.3.70.0070.03612.09
5.3.60.0050.03612.08
5.3.50.0020.04312.03
5.3.40.0050.03812.03
5.3.30.0070.03311.99
5.3.20.0060.03511.77
5.3.10.0110.02911.73
5.3.00.0060.03611.71
5.2.170.0090.0269.22
5.2.160.0060.0289.22
5.2.150.0060.0289.22
5.2.140.0060.0299.22
5.2.130.0040.0299.18
5.2.120.0050.0299.18
5.2.110.0050.0309.19
5.2.100.0050.0279.18
5.2.90.0020.0319.18
5.2.80.0040.0309.17
5.2.70.0050.0339.18
5.2.60.0040.0319.13
5.2.50.0050.0299.10
5.2.40.0060.0309.07
5.2.30.0060.0329.05
5.2.20.0050.0289.04
5.2.10.0070.0268.95
5.2.00.0040.0308.80
5.1.60.0050.0238.09
5.1.50.0060.0238.08
5.1.40.0040.0248.07
5.1.30.0050.0278.42
5.1.20.0050.0258.44
5.1.10.0050.0248.16
5.1.00.0020.0288.16
5.0.50.0030.0216.64
5.0.40.0060.0176.50
5.0.30.0030.0366.32
5.0.20.0050.0256.28
5.0.10.0050.0266.26
5.0.00.0030.0406.25
4.4.90.0040.0214.78
4.4.80.0050.0234.75
4.4.70.0050.0184.76
4.4.60.0050.0164.76
4.4.50.0030.0154.77
4.4.40.0050.0234.71
4.4.30.0010.0174.75
4.4.20.0040.0144.84
4.4.10.0060.0124.85
4.4.00.0060.0224.76
4.3.110.0020.0174.67
4.3.100.0110.0074.67
4.3.90.0040.0144.63
4.3.80.0020.0264.58
4.3.70.0030.0144.63
4.3.60.0040.0144.63
4.3.50.0020.0174.63
4.3.40.0010.0264.54
4.3.30.0020.0163.30
4.3.20.0040.0143.28
4.3.10.0030.0143.23
4.3.00.0000.0237.43

preferences:
141.13 ms | 1386 KiB | 7 Q